WO2015183012A1 - Porte-empreinte dentaire - Google Patents

Porte-empreinte dentaire Download PDF

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Publication number
WO2015183012A1
WO2015183012A1 PCT/KR2015/005358 KR2015005358W WO2015183012A1 WO 2015183012 A1 WO2015183012 A1 WO 2015183012A1 KR 2015005358 W KR2015005358 W KR 2015005358W WO 2015183012 A1 WO2015183012 A1 WO 2015183012A1
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WO
WIPO (PCT)
Prior art keywords
tray
impression
dental impression
protrusion
dental
Prior art date
Application number
PCT/KR2015/005358
Other languages
English (en)
Korean (ko)
Inventor
권오달
권혁수
Original Assignee
권오달
권혁수
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020140064175A external-priority patent/KR20150136770A/ko
Priority claimed from KR1020140082630A external-priority patent/KR20160004128A/ko
Priority claimed from KR1020140150546A external-priority patent/KR20160051105A/ko
Priority claimed from KR1020140153157A external-priority patent/KR20160053701A/ko
Priority claimed from KR1020150069922A external-priority patent/KR20160136133A/ko
Application filed by 권오달, 권혁수 filed Critical 권오달
Publication of WO2015183012A1 publication Critical patent/WO2015183012A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C9/00—Impression cups, i.e. impression trays; Impression methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry

Definitions

  • the present invention is divided into an outer tray and an inner tray, so that a hole through which the impression material penetrates is formed in the inner tray, so that the impression material can be easily separated but the impression material does not flow out so that the inner tray can be replaced. It relates to a dental impression tray.
  • the present invention is the impression taking process (impression taking) is made at the same time for the upper and lower jaw in the upper and lower trays combined, the process of pouring the plaster after the impression taking the upper and lower trays
  • the present invention also relates to a tray for dental impressions in which the maxillary tray and the mandibular tray are detachably coupled to form a set so as to be made separately for the maxillary and the mandible.
  • the present invention also relates to a dental impression tray used to imitate an implant site and a transparent guide tray suitable for use therein.
  • Dental Impression Tray refers to a dental device used to obtain the impression in order to produce a dental prosthesis of the patient with a missing or damaged tooth.
  • impression tray 10 is shown in Figure 1, is provided on the inside of the body and the impression material receiving portion 11 is configured to correspond to the shape of the oral tissue and teeth of the person, and the handle provided on one side of the body And (12).
  • the receiving portion 11 is composed of a bottom portion 13 and the edge 14 corresponding to the teeth, and has a U-shaped cross section.
  • This dental impression tray is a pattern of teeth and / or gums by pressing the tray on the teeth and / or gums in the state that the impression material in a gel (gel) is filled in the impression material receiving portion 11, and plastered on the tray thus made Inject the shape of the tooth.
  • the tray is separated from the teeth after pressing the tray to the teeth and / or gums.
  • the bonding force between the impression material and the tray is weak, a part of the impression material is separated from the tray in the process of separating the tray from the teeth. The phenomenon occurs.
  • impression material is not firmly fixed to the tray and moves in the process of separating the tray from the teeth or is separated from the tray, it is difficult to obtain a precise impression, and the problem also occurs in the process of injecting plaster.
  • a plurality of through holes 22 are formed in a dental impression tray.
  • impression taking for the upper and lower jaw oral state is often required in dental procedures.
  • the impression acquisition process was cumbersome, causing inconvenience to the patient and wasting a considerable amount of time.
  • a tray for dental impression has been proposed that can simultaneously raise and lower the upper and lower jaw.
  • FIG. 30 is a view for explaining a conventional dental impression tray 601
  • Figure 30a is mainly for obtaining the upper and lower jaw anterior portion
  • Figure 30b is for obtaining the upper and lower jaw molar portion.
  • the conventional dental impression tray 601 is provided with a tooth front rim 610 and a tooth rear rim 640 at the base 630, and a handle (b) at the tooth front rim 610. 620 is installed.
  • Base 630 is made of a fabric such as non-woven fabric so that the impression material can stick well
  • the front edge of the teeth 610 and the rear edge of the teeth 640 is made of a plastic material to serve as a skeleton frame.
  • the front edge of the tooth 610 serves as a skeleton frame, but in the case of FIG. 30B, the front edge of the tooth 610 and the rear edge of the tooth 640 are connected by the connecting frame 650 so that all of them are one. It serves as a framework for.
  • FIG. 31 is a view for explaining a method of using the conventional impression tray 601.
  • the impression material 660 is filled to cover the upper and lower surfaces of the base 630 of the dental impression tray 601.
  • the operator bites the dental impression tray 601 up and down, and then pulls it out.
  • the upper jaw 670a is formed on the impression material 660 on the upper surface of the base 630
  • the lower jaw 670b is formed on the impression material 660 on the lower surface of the base 630.
  • the impression material 660 When the patient bites the dental impression tray 601 and opens the mouth again, the impression material 660 should stick to the dental impression tray 601 without falling off. In the case of the conventional dental impression tray 601, the impression material Since there is no special configuration to hold the 660 to the dental impression tray 601, there is a concern that the impression material 660 may be detached from the dental impression tray 601 during the impression acquisition process.
  • the impression material 660 simply covers the upper and lower surfaces of the base portion 630, and further, the impression material 660 is used in a larger amount so that the portion of the impression material 660 adheres to the dental impression tray 601. It is common for 660 to overflow and cover the tooth rims 610 and 640. Therefore, a large amount of impression material 660 can not be used, there is a problem that the material cost is wasted.
  • the plaster 680 is first poured into the upper portion of the upper jaw 670a and the lower jaw 670b and waited until the plaster 680 is hardened.
  • the gypsum 680 is first poured on the uppermost bone 670a.
  • the dental impression tray 601 is turned upside down so that the lower jaw 670b faces upward as shown in FIG. 31D. Wait until
  • the impression tray 601 of the conventional dental impression is made at the same time as the upper and lower jaw as shown in FIG. 31B
  • the upper and lower jaw 670a and 670b are as shown in FIGS. 31C and 31D. It is not possible to pour the gypsum 680 at the same time, and to pour the gypsum 680 first on either side, wait until the gypsum 680 is hardened, and then turn the dental impression tray 601 upside down and the gypsum 680 on the other side. There is no choice but to call.
  • the conventional dental impression tray 601 pours plaster on one side when the plaster is poured in order to make the upper and lower jaw models, and then the plaster is poured on the other side because the plaster is poured on the other side.
  • the deformation occurs, so it is difficult to obtain a realistic oral model.
  • the plaster must be set separately, it takes a lot of time to set both plasters.
  • the impression material 660 is unnecessarily excessively consumed so that the impression material 660 is not detached from the dental impression tray 601 when the impression is taken.
  • the implant implants an artificial tooth root, i.e., a fixture of a screw-shaped titanium alloy in the alveolar bone, and when the bones around the fixture become healed and harden, the abutment is attached thereon. This is done by installing prosthesis, an artificial tooth.
  • an artificial tooth root i.e., a fixture of a screw-shaped titanium alloy in the alveolar bone
  • this implant procedure it is most important to make a precisely positioned prosthesis in accordance with the tooth shape of the subject and to accurately position it.
  • this model is manufactured after an accurate replica plaster model is produced by imitating the implanted part with an impression material. Make a prosthesis for the subject.
  • implant impression acquisition methods include a pick-up style and a transfer style.
  • the pick-up method is to create a replica gypsum model after floating the tooth bone so that the impression coping fastened to the fixture is imbedded in the impression material, and the impression coping is installed to protrude upward more than the surrounding teeth, and also the tooth Since the process of loosening the coping screw used to fasten the impression coping is required during the shaping process, a through hole must be formed in the impression tray so that the coping screw and the impression coping penetrate out of the impression tray.
  • the position at which such a through hole is to be formed cannot be precisely specified on the impression tray, so that the through hole can be easily formed by a guess at a part that is considered to be the position.
  • the through-hole is formed unnecessarily large, so that the impression material is excessively leaked into this area, so that the impression material is not consumed excessively and the impression acquisition is not made correctly. Or it was inevitable to obtain the bone by blocking the excessively formed through-hole part using a different material.
  • the problem to be solved by the present invention is excellent bonding force for attaching the impression material, while the impression material does not flow out to the outside, and also can be used to replace only the inner tray having a shape corresponding to the inner space of the outer tray, Accordingly, to provide a dental impression tray that does not need to remove the impression material from the tray as conventionally.
  • the present invention also provides a dental impression tray that can be used.
  • Another problem to be solved by the present invention is to accurately determine the position where the implant fixture is placed, and then based on this to allow the through-hole to be formed in the exact position of the impression tray for dental impressions that can solve the above-mentioned conventional problems It is to provide a tray and a transparent guide tray used therefor.
  • An outer tray having an inner space formed of a U-shaped cross section and formed of a hard plate, and having a handle for holding a user on one side;
  • an inner tray having a shape corresponding to the inner space so as to be inserted into the inner space, the inner tray having a hole (hloe) through which the impression material can pass.
  • the outer tray preferably does not have a hole through which the impression material can pass.
  • the inner tray may be coupled to or separated from the inner space of the outer tray.
  • the inner tray has a bottom surface and a side surface corresponding to the inner space, the bottom surface and the side surface preferably has a thickness within the range of 0.5mm ⁇ 5.0mm.
  • the inner tray may have an outer surface in close contact with the inner space of the outer tray.
  • the outer tray may have a bottom portion and a side portion forming the inner space, and the side portion may have a first barrier protruding inward to support the upper end of the inner tray.
  • the inner tray may have a bottom surface and a side surface corresponding to the inner space, and the side tray may have a first seaming portion formed to be bent inwardly so as to be caught by the barrier at an upper end thereof.
  • the apparatus may further include a gap maintaining part that forms a gap between the outer tray and the inner tray.
  • the outer tray may have a surface layer to which the impression material is not attached
  • the inner tray may have a surface layer to which the impression material is attached.
  • it may have a fastening means for separating and coupling the inner tray to the inner space of the outer tray.
  • the fastening means is preferably located over the top, side or bottom of the outer tray and the inner tray.
  • the outer tray has a bottom portion and a side portion forming the inner space, it is possible to form a separation through the top of the side portion that can be lifted by pushing the side of the inserted inner tray.
  • the inner tray may have a top bent portion surrounding the side and the top of the outer tray.
  • the outer tray may have a bottom portion and a side portion corresponding to the inner space, and an inner portion where the bottom portion and the side portion meet may have a curved shape.
  • the side of the outer tray preferably has a second barrier protruding outward on the top.
  • the upper bent portion of the inner tray has a second seaming portion formed to be bent from the outside to the inside to be caught by the barrier.
  • Fastening means for separating and coupling the inner tray in the inner space of the outer tray is preferably installed.
  • the inner tray has a protrusion protruding to the outside on at least one of the side and the bottom surface of the flexible plate, the outer tray has a protrusion through which the protrusion can penetrate, the fastening means penetrates the protrusion through It is preferably a fastening clip coupled to the protrusion.
  • the protrusion may be formed in a cylindrical shape, and a protrusion neck formed as a groove to which the fastening clip is coupled may be formed around the cylindrical shape.
  • the inner tray has an inner fastening hole on at least one of the side and the bottom surface of the soft plate
  • the outer tray has an outer fastening hole corresponding to the inner fastening hole
  • the fastening means has the inner fastening hole and the outer fastening. It may be a fastening rod penetrating the hole.
  • the inner tray has a protrusion protruding outward from any one or more of the side and bottom surface of the soft plate, the outer tray has a protrusion through which the protrusion can penetrate, the protrusion has a protrusion head at the end,
  • the protruding portion penetrating portion preferably comprises a protruding head penetrating portion through which the protruding head penetrates, and a protruding head coupling portion having a smaller size than that of the protruding head penetrating portion.
  • the inner tray may have a hemispherical convex portion protruding outward from at least one of the side and the bottom surface of the soft plate, and the outer tray may have a concave portion in which the convex portion may be accommodated.
  • the inner tray has a protrusion protruding outward from any one or more of the side and the bottom surface of the flexible plate
  • the outer tray has a protrusion through which the protrusion can penetrate
  • the protrusion is a protrusion head formed at the end
  • a separation part formed inside the protrusion from the protruding head and a lower part formed at a lower end of the protruding head may pass through the protruding portion through the protruding portion to be supported on the outer surface of the outer tray.
  • the inner tray may have a bottom surface and a side surface corresponding to the inner space, and the side surface may protrude inwardly at an upper end thereof to block the external leakage of the ocular material.
  • the inner tray has a bottom surface and a side surface corresponding to the inner space, at least one of the bottom surface and the side surface has a protrusion formed on the surface to attach the impression material, and the protrusion has a larger diameter as it moves away from the surface. It is possible to have.
  • the inner tray has a bottom surface and a side surface corresponding to the inner space, at least one of the bottom surface and the side surface has a groove formed on the surface to attach the impression material, and the groove has a larger diameter as it moves away from the surface. It may be to have.
  • the outer tray preferably has a bottom portion and a side portion forming the inner space, and the bottom portion has an opening through which the implant pin passes.
  • the inner tray may have a bottom surface and a side surface corresponding to the inner space, and the bottom surface may have an implant penetrating portion through which the implant pin passes.
  • Dental impression tray for achieving the above object is formed of a hard or soft plate having an internal space consisting of a U-shaped cross-section, having a handle for holding the user on one side, the inside One surface forming the space is characterized in that the projection or groove is formed to attach the impression material.
  • the protrusion or groove preferably has a larger diameter as it moves away from the surface of the one surface.
  • the one surface is a bottom surface and a side surface forming the inner space, and a plurality of protrusions having a rod shape or a cylindrical shape are formed side by side in the other end direction from the one end from the outer one end of the side, the plurality of More preferably, some of the protrusions are not formed to the inner other end.
  • Some of the plurality of protrusions may have a protruding blank that is not formed to the inner other end.
  • some of the plurality of protrusions may have a protrusion blank groove that is not formed to the inner other end.
  • the one surface is a side and the bottom surface forming the inner space, it is preferable that the position recognition portion is formed on the bottom surface or side.
  • the gripping portion integrally protrudes from the outer side surface of the inner tray.
  • the outer tray may have a seating groove open to receive the gripper at a position corresponding to the gripper and to be seated on the handle.
  • the width of the seating groove is preferably formed equal to the width of the gripping portion.
  • the outer tray is molded and manufactured integrally with the handle.
  • the inner tray may have a stepped portion protruding from the upper side of the side on which the gripping portion is formed.
  • Dental impression tray for achieving the above another object is made, including the upper tray and the lower tray, each of the upper tray and the lower tray,
  • a base plate having a plurality of through holes formed therein;
  • the maxillary tray and the mandibular tray are detachably coupled to form a set such that the bottom surface of the base tray and the bottom surface of the bottom tray of the mandible tray are separated from each other, so that the through holes of the maxillary tray and the through holes of the mandible tray are alternately disposed.
  • the through-hole of the upper tray is located in the blocked portion of the base plate constituting the lower tray
  • the through hole of the lower tray is characterized in that located in the blocked portion of the base plate constituting the upper tray.
  • the through hole is preferably formed to be wider toward the lower surface from the upper surface of the base plate.
  • the impression material The lower end of the lower side of the lower tray of the lower tray is prevented from flowing to the other end of the upper tray is preferably made of a combination of the upper tray and the lower tray in contact with the blocked portion where the through-hole is not formed Do.
  • the outer side of the lower side spill prevention portion of the upper tray and the outer side of the lower side spill prevention portion of the lower tray is preferably in contact with each other (surface contact).
  • the upper end of the lower side outflow prevention part is larger than the through hole, so that the edge of the through hole protrudes into the lower side outflow prevention part to form a locking step.
  • a plurality of protrusion bars vertically erected on the inner surface of the tooth rim are installed side by side, and some of the plurality of through holes are formed to be adjacent to the tooth rim, and protrusion bars disposed on the through holes of the plurality of protrusion bars. Is preferably installed so that the hem is spaced apart from the through hole.
  • a coupling guide portion for guiding the coupling so that the coupling of the maxillary tray and the mandibular tray occurs in place is formed in at least one of the base plate of the maxillary tray and the base plate of the mandibular tray.
  • It is made of a transparent material so as to determine the position where the implant fixture is placed when installed in the tooth portion of the oral cavity, characterized in that it has a guide marker to express the position coordinates in which the implant fixture is implanted.
  • a guide tray formed of a transparent material so as to determine a position at which an implant fixture is placed when installed in a tooth portion of the oral cavity, and having a guide marker formed to represent a position coordinate at which the implant fixture is placed;
  • the implant fixture In order to imitate the site where the implant fixture is placed, the implant fixture is installed to be snapped to the tooth part in a state separated from the guide tray, and the through hole may be formed at a position corresponding to the position coordinate represented by the guide mark part.
  • the impression tray is divided into an outer tray and an inner tray, it is preferable that the impression material catch portion for holding the impression material so as not to fall off the inner tray is preferably formed.
  • a guide tray made of a transparent material and serving as an outer tray so as to determine a position at which an implant fixture is placed when installed in a dental part of the oral cavity;
  • An inner tray installed inside the guide tray to form a through hole with the guide tray with respect to an implantation position of the implant fixture identified through the guide tray;
  • the guide tray and the inner tray serve as impression trays imitating a portion where the implant fixture is placed as a body.
  • the inner tray is preferably formed with an impression material catch portion for holding the impression material so as not to fall off.
  • the inner tray may be made of a transparent material.
  • a guide mark portion for expressing the position coordinate where the implant fixture is placed is formed in the guide tray.
  • a tray body having an opening formed at a bottom thereof;
  • the bottom member is preferably made of a vinyl material.
  • the impression material receiving portion is formed in the tray body to accommodate the impression material on the bottom portion of the tray body, and an impression material catch portion for holding the impression material is formed inside the side wall of the impression material receiving portion.
  • the impression material catch portion is preferably formed inside the side wall of the impression material receiving portion to have a concave groove shape in which the left and right sides and the upper portion are blocked and the lower portion is opened.
  • the impression material catch portion is formed in a plurality in the concave groove sideways, and the catch portion side wall, which means the side wall of the concave groove, has a square cross section.
  • the catch portion sidewall has a trapezoidal cross section whose thickness becomes thinner toward the sidewall of the impression material accommodating portion.
  • the catch portion sidewall is formed to be lifted from the sidewall of the impression material container.
  • the catch portion sidewall is preferably installed to be spaced apart from the bottom of the impression material receiving portion.
  • an opening is formed in each of the inner tray and the outer tray bottom, characterized in that the bottom member of the transparent material is installed to block the opening of the inner tray or the opening of the outer tray. do.
  • the bottom member is preferably made of a vinyl material.
  • the impression material catch portion for holding the impression material on the inner tray is preferably formed.
  • the impression material catch portion has a through hole formed in a side wall of the inner tray.
  • the impression material does not flow out to the outside through the outer tray formed of a hard plate together with this can do.
  • the present invention not only has an effect of easily removing the impression material, but also, the present invention is characterized in that the inner tray having a shape corresponding to the inner space of the outer tray can be combined and separated, replacing only the inner tray. It is possible to use, and thus there is no need to remove the impression material from the tray using a chemical or physically difficult as in the prior art.
  • the impression acquisition process is simple and saves time. Since the process of pouring the gypsum may be performed in a state where the upper and lower trays are separated, there is no need to go through the conventional process of pouring the gypsum on one side and then pouring the plaster on the other side. In other words, the plaster tray can be poured into both the upper tray and the lower tray, so that the total time for the plaster to be hardened on both sides is shortened as compared with the conventional one. There is no problem affected. In addition, since the impression material does not need to be detached from the dental impression tray during the impression acquisition process, it is possible to reduce the consumption of the impression material because there is no need to use the impression material excessively.
  • the through hole is formed at the exact position of the impression tray based on this after accurately identifying the position where the implant fixture is placed using the transparent guide tray, it is not necessary to form the through hole unnecessarily large. Accurate impression acquisition can be achieved without excessive consumption.
  • FIG. 1 is a perspective view showing a plate-shaped dental impression tray according to the prior art
  • FIG. 2 is a perspective view showing a hole-type dental impression tray according to the prior art
  • FIG. 3 is an exploded perspective view of a tray for dental impressions easy to remove the impression material according to an embodiment of the present invention
  • FIG. 4 is a perspective view for explaining an example of an inner tray side according to the present invention.
  • FIG. 5 is a cross-sectional view and a partially enlarged view for explaining an example of a hole formed in the inner tray according to the present invention
  • FIG. 6 is a cross-sectional view and a partially enlarged view for explaining an example of a protrusion and a groove formed in the inner tray according to the present invention
  • FIG. 7 is a cross-sectional view and a partially enlarged view for explaining an example of the first barrier formed in the outer tray and the first seaming portion formed in the inner tray according to the present invention
  • FIG. 8 is a cross-sectional view for explaining an example of the blocking portion formed on the upper side of the inner tray in accordance with the present invention.
  • FIG. 9 is a cross-sectional view for explaining an example of the fastening means for separating and coupling the outer tray and the inner tray in accordance with the present invention.
  • FIG. 10 is an exploded perspective view illustrating an example of a protrusion formed on an inner tray bottom surface and a protrusion through portion formed on an outer tray bottom as a tray engaging means according to the present invention
  • FIG. 11 is a perspective view illustrating an example of a fastening clip coupled to the protrusion of FIG. 10;
  • FIG. 12 is a rear view illustrating an example of a state in which an inner tray and an outer tray of FIG. 10 are coupled;
  • FIG. 13 is a cross-sectional view showing an example of an inner fastening hole and an outer fastening hole and a fastening rod penetrating the tray fastening means according to the present invention
  • Fig. 14 is an operational state diagram showing an example of the protruding head, the protruding head through portion, and the protruding head engaging portion as the tray engaging means according to the present invention
  • FIG. 15 is a cross-sectional view showing an example of a convex portion and a concave portion as the tray engaging means according to the present invention
  • FIG. 16 is a cross-sectional view showing an example of a protrusion having a spaced portion and a locking jaw as a tray engaging means according to the present invention
  • 17 is a perspective view for explaining an example of a separation through hole formed in the outer tray according to the present invention.
  • FIG. 18 is a cross-sectional view for explaining an example of the upper bent portion formed in the inner tray in accordance with the present invention.
  • 19 is a cross-sectional view and a partially enlarged view for explaining an example of a second barrier formed in the outer tray and a second seaming portion formed in the inner tray according to the present invention
  • 20 is a perspective view showing an example of a state in which an opening through which an implant pin penetrates is formed in a bottom portion of an outer tray according to the present invention
  • 21 is a perspective view showing an example of a state in which the implant pin penetrating portion is formed through the implant pin on the bottom surface of the inner tray according to the present invention.
  • Fig. 22 is a use state diagram showing an example of a state where the implant pin penetrates through the opening and the implant pin through portion of the tray according to the present invention
  • FIG. 23 is a perspective view showing an example of a state in which a straight projection is formed inside the tray according to the present invention.
  • FIG. 24 is a perspective view showing an example of a state in which some of the plurality of straight projections formed inside the tray according to the present invention has a projection blank groove;
  • 25 is a perspective view showing an example of a position identification portion formed outside the tray according to the present invention.
  • Figure 26 is an exploded perspective view for explaining an example of the gripping portion formed in the inner tray and the seating groove formed in the outer tray according to the present invention.
  • FIG. 27 is a perspective view showing an example of the stepped portion formed on the side of the inner tray of FIG. 26;
  • FIG. 28 is a perspective view and an exploded perspective view for explaining an example of a hole formed in the side and bottom surface of the inner tray of FIG.
  • 29 is a perspective view and an exploded perspective view for explaining an example of a hole (net) formed in the form of a net on the side and bottom of the inner tray in accordance with the present invention
  • FIG. 30 is a view for explaining a conventional dental impression tray 601;
  • 31 is a view for explaining a method of using the conventional impression tray 601;
  • 32 to 34 are views for explaining the dental impression tray 1002 according to the present invention.
  • 35 is a plan view for explaining the lower side outflow prevention unit (1140, 1240);
  • 36 is a cross-sectional view for explaining the lower side outflow prevention part (1140, 1240);
  • 39 is a view for explaining a modification of the shape of the dental impression tray 1002 according to the present invention.
  • FIG 40 and 41 are views for explaining another form of modification of the dental impression tray 1002 according to the present invention.
  • 43 and 44 are views for explaining a method of using the dental impression tray 2001 according to FIG. 42;
  • FIG. 47 is a view for explaining a method of using the dental impression tray 2001 according to FIG. 46;
  • 50 and 51 are views for explaining a fifth embodiment of the dental impression tray 2001 according to the present invention.
  • FIG. 52 and 53 are views for explaining a sixth embodiment of the dental impression tray 2001 according to the present invention.
  • 54 and 55 are views for describing a seventh embodiment of the dental impression tray 2001 according to the present invention.
  • outer tray 110 first inner space
  • protrusion head engaging portion 183 concave portion
  • projection blank 224 projection blank
  • support jaw 250 first seaming portion
  • 1140 and 1240 lower side leakage prevention parts 1150 and 1250: protrusion bar
  • first and second may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • the 'dental impression tray' refers to a dental instrument used to obtain an impression in order to manufacture a dental prosthesis of a patient with a defect or damage of a tooth, and the tooth and / or gum It includes all the trays to raise.
  • Figure 3 is an exploded perspective view of the tray for impression impressions easy to remove the impression material according to an embodiment of the present invention
  • Figure 4 is a perspective view for explaining an example of the inner tray side
  • Figure 5 is the present invention
  • the tray for impression impression easy to remove the impression material comprises an outer tray 100 and the inner tray 200 largely.
  • the outer tray 100 is formed of a hard plate having an inner space 110 having a U-shaped cross section, and has a handle 120 for holding a user on one side. That is, the outer tray 100 is curved in the form of an arch of the oral cavity to form an edge supporting the impression material on the side, and a bottom portion for accommodating the impression material or the inner tray 200 in the inner space 110 ( 130 and a side portion 140 extending from the bottom portion 130 and protruding in a U-shaped cross section. Thus, the bottom portion 130 and the side portion 140 may form the inner space 110 having a U-shaped cross section.
  • the outer tray 100 may be a plate or flat type tray which does not conventionally have a hole through which the impression material can penetrate, and the material thereof is not particularly limited but may be used for two or more times or for permanent use. It is preferred to be made of a hard hard material, and more preferably, made of metal.
  • the outer tray 100 may be made of a plate type or flat plate without a hole, so that the impression material may not escape to the outside.
  • the handle 120 is for holding by the user and may be connected to or protruded from one side of the outer tray 100, and the shape thereof is not particularly limited. Preferably, it is suitable for ease of use to be located at the outer lower end of the outer tray 100.
  • the inner tray 200 has a shape corresponding to the inner space 110 so as to be inserted into the inner space 110 of the outer tray 100 is formed of a soft plate material, the impression material can penetrate the surface It has a hole (hloe: 220). That is, the inner tray 200 has the same or similar shape as the inner space 110 of the outer tray 100 and is inserted into the inner space 110.
  • the inner tray 200 may also have an inner space 210 made of a U-shaped cross section, from the bottom surface 230 and the bottom surface 230 for receiving the impression material in the inner space 210 It may be formed of a side surface 240 extending and protruding into a U-shaped cross section.
  • the side surface 240 of the inner tray 200 allows the impression material to exit only through the hole 220 formed in the bottom surface 230, so that the amount of the impression material penetrates the hole 220.
  • the hole 220 may be made of a plate type or a flat plate type.
  • the second inner space 210 formed inside the inner tray 200 preferably has a smaller size or volume than the first inner space 110 formed inside the outer tray 100.
  • the inner tray 200 may be a hole-type tray having a hole 220 through which the impression material can penetrate conventionally, and its material is not particularly limited, but is used once (or two or three times a few). It is preferable to be made of a flexible flexible material because it should be able to easily separate from the outer tray 100, more preferably made of a high molecular compound.
  • the inner tray 200 may use an olefin resin (PE, PP), an acrylic resin (PMMA), a silicone resin, or the like.
  • the inner tray 200 has a hole 220 through which the impression material can pass, so that the contact area with the impression material is further expanded, and the impression material is sandwiched between the holes 220 to impart friction or restraining force, thereby providing an impression material. It can be more firmly coupled to the inner tray 200.
  • the present invention has an excellent bonding force for attaching the impression material through the inner tray 200 having a hole 220 through which the impression material can penetrate the surface, and together with the impression material through the outer tray 100 made of a flat hard plate. It is effective to prevent the flow out of the outside.
  • the impression material accommodated in the inner tray 200 flows into the hole 220 formed in the bottom surface 230 and / or the side surface 240 of the inner tray 200 as shown in FIG. It is attached to the inner surface of the 220 and the surface of the bottom 130 and / or side 140 of the outer tray 100 is firmly coupled and does not leak to the outside.
  • the inner tray 200 has a bottom surface 230 and the side surface 240 corresponding to the inner space 210, the bottom surface 230 and / or side surface 240 is 0.5mm ⁇ 5.0 It is preferred to have a thickness within the mm range. If the thickness of the bottom surface 230 and / or the side surface 240 is less than the above range because the inner area of the hole 220 is in contact with the impression material is small, the bonding force is weakened, even if the above range does not significantly increase the bonding force to be.
  • the inner tray 200 preferably has an outer side surface 240 in close contact with the inner space 110 of the outer tray 100. That is, when the outer surface of the side surface 240 of the inner tray 200 is provided in contact with the inner surface of the side portion 140 of the outer tray 100, the second inner space 210 of the inner tray 200 is provided. It is possible to secure a larger than, to minimize the amount of the impression material penetrating the hole 220, it is possible to obtain a more accurate tooth impression by pressing the impression material to the inside by the side portion 140.
  • the inner tray 200 having a shape corresponding to the inner space 110 of the outer tray 100 may be coupled to and separated from the outer tray 100 and / or its inner space 110. Characterized in that, it is possible to replace and use only the inner tray 200, and thus there is no need to use the chemical or physically difficult to remove the impression material from the tray as conventional.
  • the outer tray 100 preferably has a surface layer to which the impression material is not attached
  • the inner tray 200 preferably has a surface layer to which the impression material is attached.
  • the impression material is not attached or attached, it may mean that the bonding force with the impression material is low or high, but the outer tray 100 has a surface layer having a lower bonding force with the impression material than the inner tray 200. It is preferable that the (or inner tray 200 has a surface layer having a higher bonding force with the impression material than the outer tray 100).
  • This surface layer may be a property of the outer tray 100 and / or the inner tray 200 itself, and may be achieved by a separate surface modification or additional coating layer formation therefor.
  • the surface layer of the inner tray 200 may be roughened, and the surface layer of the outer tray 100 may be smoothed.
  • the impression material can be easily separated from the outer tray 100 while having a higher coupling force to the inner tray 200.
  • FIG. 6 is a cross-sectional view and a partially enlarged view for explaining an example of the protrusion 221 and the groove 222 formed in the inner tray 200 according to the present invention.
  • another feature of the present invention is a projection 221 or groove 222 for increasing the bonding force of the impression material on at least one of the bottom surface 230 and the side surface 240 of the inner tray 200.
  • the protrusion 221 or the groove 222 is a microstructure formed on the surface of the bottom surface 230 and / or the side surface 240, the size of the shape is not particularly limited.
  • the protrusion 221 or the groove 222 may be formed by a surface modification method or the like, and may be formed by attaching a separate structure.
  • the protrusion 221 or the groove 222 in the present invention is characterized in that it comprises a portion having a larger diameter away from the surface of the bottom surface 230 and / or the side surface 240. That is, the projection 221 is a cross-sectional diameter is larger toward the top of the bottom surface 230 and / or side surface 240, the groove 222 is below the bottom surface 230 and / or side 240 The diameter of the cross section decreases gradually.
  • the impression material can not be easily escaped from the inner tray 200.
  • FIG. 7 is a cross-sectional view and a partially enlarged view for explaining an example of the first barrier 150 formed in the outer tray 100 and the first seaming unit 250 formed in the inner tray 200 according to the present invention.
  • the outer tray 100 has a bottom portion 130 and a side portion 140 forming an inner space 110 thereof, and the side portion 140 has a top portion thereof. It may have a first barrier 150 protruding inward to support the upper end of the inner tray 200 from above. That is, the upper end of the side portion 140 of the outer tray 100 has a shape protruding inward.
  • the inner tray 200 or its side 240 may be pushed under the first barrier 150 to be easily coupled, but also the inner tray 200 or its side 240. By supporting the pressure, the inner tray 200 can be prevented from being easily detached from the outer tray 100.
  • the inner tray 200 has a bottom surface 230 and a side surface 240 corresponding to the inner space 210 thereof, and the side surface 240 has the upper end thereof with the first barrier 150. It is preferable to have a first seaming portion 250 formed to be bent inwardly so as to be secured. That is, the upper end of the side surface 240 of the inner tray 200 is curved to have an inner side and a lower side to form a curved surface. In this case, the inner tray 200 or the side 140 thereof can be more easily pushed under the first barrier 150 to be simply combined.
  • the impression material may be prevented from spilling out of the upper end of the inner space 210. It may have an effect.
  • the present invention can also take advantage of the elasticity of the inner tray to catch the groove or undercut formed in the outer tray.
  • FIG. 8 is a cross-sectional view for explaining an example of the blocking portion 251 formed on the upper side of the inner tray according to the present invention.
  • the blocking portion 251 formed by protruding inward on the upper side of the side 240 of the inner tray 200 is provided.
  • the shape or size of the blocking portion 251 is not particularly limited.
  • the blocking part 251 is formed to protrude inward from the upper side of the side 240 of the inner tray 200, so that the impression material existing in the inner space of the inner tray 200 does not easily leak to the outside.
  • FIG. 9 is a cross-sectional view for explaining an example of the fastening means 400 for separating and coupling the outer tray 100 and the inner tray 200 in accordance with the present invention.
  • another feature of the present invention is to have a separate fastening means 400 which can separate and couple the inner tray 200 to the inner space 110 of the outer tray 100.
  • the fastening means 400 is coupled to the outer tray 100 and / or the inner tray 200, respectively, and separates and / or combines the outer tray 100 and the inner tray 200.
  • Such fastening means 400 is not particularly limited and may include any of a variety of forms known in the art.
  • the fastening means 400 may be a coupling structure using a slide method, a loop fastening method, or a clip fastening method, or may be a structure having a shape such as a key and keyway shape or a button.
  • the inner tray 200 may be inserted into, coupled and separated into the outer tray 100 by its own elastic force made of a soft material such as plastic, but a separate fastening means as described above. According to 400, it is possible to further increase the bonding force, it is also possible to separate more easily.
  • the fastening means 400 is located across the top of the outer tray 100 and the inner tray 200, the user can easily couple the inner tray 200 by pressing the upper side of the inner space 210. It is possible to easily separate by lifting the inner tray 200 in the direction or by pushing the inner tray 200 in the forward direction.
  • the present invention may further include a gap maintaining part 300 that forms a gap between the outer tray 100 and the inner tray 200. That is, by the one or more structures in contact with the inner surface of the outer tray 100 and the outer surface of the inner tray 200, the outer tray 100 and the inner tray 200 are separated from each other to form a gap therebetween.
  • At least one gap maintaining part 300 may be formed on an inner surface of a bottom part and / or a side wall of the outer tray 100. According to this, the impression material penetrating the hole 220 of the inner tray 200 is attached to the gap, it is possible to increase the coupling force of the outer tray 100 and the inner tray 200.
  • the inner surface area of the outer tray 100 to which the gap maintaining part 300 is in contact is smaller than the area that is not (the gap keeping part 300 is not in contact).
  • FIG. 10 illustrates an example of the protrusion 280 formed on the bottom surface 230 of the inner tray 200 and the protrusion through-hole 180 formed on the bottom portion 130 of the outer tray 100 as the tray coupling means according to the present invention.
  • 11 is a perspective view illustrating an example of a fastening clip 410 coupled to the protrusion 280 of FIG. 10
  • FIG. 12 is an inner tray 200 and an outer tray 100 of FIG. 10 coupled thereto. It is a rear view which shows an example of the state.
  • the inner tray 200 has a protrusion 280 protruding outward on any one or more of the side surface 240 and the bottom surface 230 of the soft plate
  • the outer tray ( 100 has a protruding portion through which the protrusion 280 penetrates (180)
  • the present invention is a coupling means for coupling the inner tray 200 and the outer tray 100 as the protruding through portion ( It further comprises a fastening clip 410 is coupled to the protrusion 280 through the 180.
  • One or more protrusions 280 may be formed on the side surface 240 and / or the bottom surface 230 of the inner tray 200, and the size or shape thereof is not particularly limited, but is preferably a cylindrical or rod-shaped structure. More preferably, it is formed on the bottom surface 230 of the inner tray 200 for the coupling thereof.
  • the protruding portion 180 may be a hole or a hole formed in one surface of the outer tray 100, preferably formed at a position corresponding to the protruding portion 280, and is the same as or similar to the protruding portion 280. It is more preferable to have.
  • the protrusion 280 may penetrate the protrusion penetrating unit 180, and a part of the protrusion 280 may be exposed out of the outer tray 100.
  • the fastening clip 410 is coupled to the exposed protrusion 280, the inner tray 200 may be firmly coupled to the outer tray 100.
  • the fastening clip 410 may be coupled to or support the protrusion 280 so as not to escape to the protrusion through-hole 180 again.
  • the type or shape of the fastening clip 410 is not particularly limited, but as shown in FIG. 11, openings at both ends of the fastening clip 410 may be easily coupled around the protrusion 280. It can be held by hand and easily combined.
  • the protrusion 280 is formed in a cylindrical shape, and a groove to which the fastening clip 410 is coupled is formed around the cylindrical shape.
  • the groove may be a protrusion neck formed around the middle or bottom of the protrusion 280, and in this case, the fastening clip 410 may be easily coupled to the protrusion 280.
  • FIG. 13 is a cross-sectional view showing an example of the inner fastening hole 290 and the outer fastening hole 190 and a fastening rod 420 penetrating the tray fastening means according to the present invention.
  • the inner tray 200 has at least one inner fastening hole 290 formed in at least one of the side and bottom surface of the soft plate
  • the outer tray 100 is the inner fastening
  • the fastening rod 190 has an outer fastening hole 190 corresponding to the hole 290, and further includes a fastening rod 420 passing through the inner fastening hole 290 and the outer fastening hole 190 as fastening means.
  • the size and shape of the inner fastening hole 290 and the outer fastening hole 190 is not particularly limited, and their positions are preferably corresponding to each other.
  • the fastening rod 420 preferably has a diameter that is similar to or smaller than that of the inner fastening hole 290 and the outer fastening hole 190, and the length of the fastening rod 420 is different from that of the inner fastening hole 290 and the outer fastening hole 190. Less than, similar to, or longer than the sum of the thicknesses is suitable.
  • a head having a diameter larger than the inner fastening hole 290 and the outer fastening hole 190 may be formed at one end of the fastening rod 420.
  • the inner tray 200 and the outer tray 100 can be easily coupled simply by inserting the fastening rods 420 into the inner fastening holes 290 and the outer fastening holes 190. It has an effect.
  • FIG 14 is an operational state diagram showing an example of the protruding head 282, the protruding head penetrating portion 181, and the protruding head engaging portion 182 as the tray engaging means according to the present invention.
  • the inner tray 200 has a protrusion 280 protruding outward from any one or more of the side and the bottom surface of the soft plate, the outer tray 100 is the protrusion 280 It has a projection portion 180 through which it can pass.
  • the protrusion 280 has a protruding head 282 at the end, the protruding portion 180 is a protruding head through 181 through which the protruding head 282 and,
  • the protrusion head coupling portion 181 is connected to the protrusion head coupling portion 181 having a smaller size than the protrusion head coupling portion 182 is characterized in that it is made.
  • the protrusion 280 is composed of a body (or body) and the protrusion head 282 having a larger volume or diameter than the body at its end.
  • the protrusion through portion 180 is smaller than the volume or diameter of the protrusion head through portion 181 and the protrusion head 282 of the size similar to or smaller than the protrusion head 282 and the body of the protrusion 280 Rather than the protrusion head engaging portion 182 consisting of a large opening.
  • the protruding head 282 may pass through the protruding portion 181 but may not pass through the protruding head coupling portion 182.
  • the body of the protrusion 280 may pass not only the protrusion through portion 181 but also the protrusion head coupling portion 182.
  • 15 is a cross-sectional view showing an example of the convex portion 283 and the concave portion 183 as the tray engaging means according to the present invention.
  • the inner tray 200 is a hemispherical convex portion 283 protruding to the outside from any one or more of the side surface 240 and the bottom surface 230 of the soft plate material.
  • the outer tray 100 has a concave portion 183 in which the convex portion 283 can be accommodated.
  • the convex portion 283 protruding toward the outer tray 100 is formed on the side surface 240 and / or the bottom surface 230 of the inner tray 200, and the outer tray 100 corresponding thereto.
  • the side portion 140 and / or the bottom portion 130 of the bottom side is formed with a recess 183 in the inner tray 200 direction.
  • the positions of the convex portion 283 and the concave portion 183 preferably correspond to each other.
  • the inner tray 200 according to the present invention when the inner tray 200 according to the present invention is pushed into the inner space 110 of the outer tray 100, the convex portion 283 is inserted into the concave portion 183, the inner tray 200 And the outer tray 100 can be combined with each other.
  • 16 is a cross-sectional view showing an example of the protrusion 280 having a spaced portion 284 and a locking step 285 as the tray coupling means according to the present invention.
  • the inner tray 200 has a protrusion 280 protruding outward from any one or more of the side and the bottom surface of the soft plate, the outer tray 100 is the protrusion 280 It has a projection portion 180 through which it can pass.
  • the protrusion 280 is formed at the bottom of the protrusion head 282 formed at the end, the separation part 284 formed inside the protrusion 280 from the protrusion head 282, and the bottom of the protrusion head 282. It is preferable that the locking portion 285 penetrates the protruding portion 180 and is supported on the outer surface of the outer tray 100.
  • the protruding head 282 is formed at the end of the body of the protruding portion 280 and may have a shape such as a triangle, a hemispherical shape or a circular shape, and basically a volume that cannot penetrate the protruding portion 180. It is desirable to have a size or diameter.
  • the protrusion 280 may have an empty space therein, and the body of the protrusion 280 may be formed of two or more structures separated from each other. That is, the spacer 284 may be an empty space formed inside the protrusion 280 or a spaced space formed between the two structures. The spacer 284 may be formed to extend in the longitudinal direction from the outer or outer end of the protrusion head 282 to the lower end of the protrusion 280.
  • the protrusion 280 or its body may be shrunk or reduced by the force of the pressurized force from the outside, so that the protrusion head 282 is not the protrusion through portion 180 Can penetrate through Then, as the spaced portion 284 increases or extends, the protruding head 282 is supported on the outer surface (or bottom portion 130) of the outer tray 100 through the locking portion 285. It is possible.
  • 17 is a perspective view for explaining an example of the separation through hole 160 formed in the outer tray 100 according to the present invention.
  • the outer tray 100 has a bottom portion 130 and the side portion 140 to form the inner space 110, the upper side of the side 140, the inserted inside Separation through-hole 160 that can be lifted by pushing the side 240 of the tray 200 is formed.
  • the upper side portion 140 of the outer tray 100 is characterized in that the separating through-hole 160 formed of a hole or a hole is formed, the user put a pressing means such as an awl in the separating through-hole 160 By pushing the side surface 240 of the inner tray 200 positioned therein, the inner tray 200 can be easily separated from the outer tray 100.
  • the separation through hole 160 is preferably formed to correspond to a flat portion in which the hole 220 through which the impression material penetrates from the side surface 240 of the inner tray 200 is not formed.
  • the separation through hole 160 is preferably formed on the upper side of the side portion 140 of the outer tray 100, because it can bend the side 240 of the inner tray 200 more. That is, when the separation passage 160 is formed at the bottom of the side portion 140 of the outer tray 100, the side surface of the inner tray 200 because of the support force by the bottom surface 230 of the inner tray 200. The degree of pushing the 240 is weak and not preferable.
  • FIG. 18 is a cross-sectional view for explaining an example of the upper bent portion 260 formed in the inner tray 200 according to the present invention.
  • the inner tray 200 preferably has a top portion 260 surrounding the side 140 and the top of the outer tray 100. That is, the upper curved portion 260 may be a structure extending from or connected to the upper end of the side surface 240 of the inner tray 200 to cover the upper or upper surface of the side 140 of the outer tray 100.
  • the upper bent part 260 may protrude outwardly or bent from the upper end of the side surface 240 of the inner tray 200.
  • the upper curved portion 260 may be coupled to and / or separated from the upper or upper surface of the side portion 140 of the outer tray 100.
  • the impression material is the upper bent portion even when the amount of the impression material is large.
  • 260 is preferred because it can be crossed over. That is, without the upper bent portion 260, if the impression material overflows out of the tray, the radial material spreads out of the tray, so that the impression material tatters out of the tray, but according to the upper bend 260 as described above, the impression material overflows out of the tray. Even if the impression material is in close contact with the surface of the upper bent portion 260 to spread round, the impression material can be minimized to extend out of the tray.
  • the outer tray 100 has a bottom portion 130 and a side portion 140 corresponding to the inner space 110, the inner portion where the bottom portion 130 and the side portion 140 meets It is preferable to have a curved shape. That is, the portion where the bottom portion 130 and the side portion 140 intersect is formed inward or outward or convex or concave. To this end, a separate structure having a curved shape may be further provided at a portion where the bottom portion 130 and the side portion 140 cross each other. According to the present invention, a valley is not formed at a portion where the bottom portion 130 and the side wall 140 intersect, and thus, in the inner space 110 formed by the bottom portion 130 and the side portion 140. It is easier to separate the inserted inner tray 200.
  • 19 is a cross-sectional view and a partially enlarged view for explaining an example of the second barrier 170 formed in the outer tray 100 and the second seaming portion 270 formed in the inner tray 200 according to the present invention.
  • the side portion 140 of the outer tray 100 has a second barrier 170 protruding outward from the top. That is, the upper end of the side portion 140 of the outer tray 100 has a shape protruding outward.
  • the side surface 240 or the upper bent portion 260 of the inner tray 200 can be easily coupled above and / or below the second barrier 170, and the inner tray 200 and the outer tray can be easily coupled. It is also possible to increase the binding force of (100).
  • the upper bent portion 260 of the inner tray 200 preferably has a second seaming portion 270 that is formed to be bent from the outside to the second barrier 170. That is, the upper end of the side surface 240 of the inner tray 200 is curved to have a curved surface that is bent outward and downward. In this case, the side surface 240 or the upper bent portion 260 of the inner tray 200 can be easily coupled to the second barrier 170, and the coupling force between the inner tray 200 and the outer tray 100 is provided. It is also possible to increase, and the impression material may be allowed to ride over the second seaming portion 270 is preferable.
  • FIG. 20 is a perspective view illustrating an example of a state in which an opening 121 through which an implant pin 500 penetrates is formed at a bottom portion 130 of the outer tray 100 according to the present invention
  • FIG. 21 is an inner tray according to the present invention
  • Fig. 22 is a perspective view showing an example of a state in which an implant pin penetrating portion 231 through which the implant pin 500 penetrates is formed on the bottom surface 230 of FIG. 200
  • FIG. 22 is an opening 121 and an implant of the tray according to the present invention.
  • It is a use state diagram which shows an example of the state which the implant pin 500 penetrates into the pin penetrating part 231. As shown in FIG.
  • a tray for use with a patient having an implant.
  • the term 'implant' and 'implant pin' includes generic guides or guide pins used when installing, maintaining, repairing or removing an implant. If a tray is to be used for a patient with such an implant, the tray or implant pin should be able to penetrate the tray.
  • the outer tray 100 basically has a bottom portion 130 and a side portion 140 forming the first inner space 110, in particular the bottom portion 130 is an implant pin ( It is preferred to have an opening 121 through which 500 is passed.
  • the opening 121 is a relatively large hole formed in a portion of the bottom 130 of the outer tray 100, the outer tray 100 according to the present invention is made of a hard material, the implant pin 500 can penetrate Preferably, the opening 121 is formed in the outer tray 100 in advance. Then, the implant pin 500 may protrude to the outside of the outer tray 100 through the opening 121.
  • the inner tray 200 is made of a soft material, the user may not be able to penetrate the implant pin 231 through which the implant pin 500 may penetrate the inner tray 200 when using the tray according to the present invention. Can be easily formed arbitrarily.
  • an implant penetrating portion 231 through which the implant pin 500 may pass may be formed in the inner tray 200 in advance.
  • a position recognition unit 225 may be formed outside the bottom surface 230 and / or the side surface 240 of the inner tray 200 (see FIG. 25).
  • the position recognition unit 225 may be a marker such as a specific shape, symbol, letter, number, etc. Through this, it is possible to easily recognize the position of the implant pin 500 or teeth. For example, even if the inner tray 200 is turned upside down on the tooth, the user can easily position the implant pin 500 or the tooth on the inner tray 200 through the position recognition unit 225 as described above. I can know exactly. Through this, the user can remove the implant pin 500 or teeth by drilling a hole in the position where the teeth are present, and more accurately and easily expose the implant pin 500 or teeth.
  • FIG. 23 is a perspective view illustrating an example of a state in which a straight protrusion 221 is formed inside a tray according to the present invention.
  • the present invention for this purpose is basically formed as a hard or soft plate having an inner space consisting of a U-shaped cross section, as described above for a tray having a handle for the user's grip.
  • a tray may be a single tray as in the prior art, or may be a complex type including an inner tray and an outer tray as described above. In the case of a single tray, it may be a disposable tray made of a soft material.
  • the protrusion 221 or the groove for attaching the impression material may be formed on the bottom surface 230 or the side surface 240 or the bottom portion 130 or the side portion 140 as one surface forming the inner space. Can be.
  • the protrusion 221 or the groove preferably has a larger diameter as the distance from the surface of the one surface.
  • the protrusion 221 or the groove may have an elongated rod shape or a cylindrical shape, and may be continuously connected to the bottom surface 230 and the side surface 240.
  • the protrusion 221 may pressurize the impression material evenly, through which the impression material is moved from the inside of the tray to one side. It is possible to obtain evenly and accurately the impression of the teeth, without being driven.
  • the plurality of protrusions 221 are basically formed side by side in the direction of the other end from the outer end of the side surface 240, and some of the plurality of protrusions 221 are formed to the inner other end. It is more preferable that it is not. That is, some of the plurality of protrusions 221 are formed long from the outer one end of the side surface 240 to the other end of the inner side (for example, to a portion where the side surface 240 and the bottom surface 230 meet), Some of the plurality of protrusions 221 is formed only short from the outer end of the side surface 240 to the middle portion of the side surface 240. Then, an empty space in which the protrusion 221 is not formed is present at the side surface 240.
  • the empty space may be a protruding blank 223 which is not provided with a protrusion or a protruding blank groove 224 formed of a hole or a hole, and includes the protruding blank 223 and the protruding blank groove 224 together.
  • the protrusion blank groove 224 may be formed at a side surface 240 or a bottom surface 230 or a portion where the side surface 240 and the bottom surface 230 meet. According to this, the impression material may be supported by the protruding blank portion 223 or may flow out through the protruding blank groove 224, and thus may be more strongly coupled to one surface of the tray.
  • the injection process for manufacturing the tray according to the present invention can be further facilitated.
  • the impression material present in the projection blank portion 223 and / or the projection blank groove 224 of the impression material inserted into the inner space of the tray is caught by the end of the shortly formed projection 221, so that the impression of the tooth Even when the tray is removed in the oral cavity after the filling, the impression material can remain in place without deformation inside the tray. That is, the protruding blank portion 223 and / or the protruding blank groove 224 may have an artificial undercut function.
  • the position recognition unit 225 may be formed on the bottom surface 230 and / or side surface 240 of the tray according to the present invention (see FIG. 25).
  • the position recognition unit 225 may be a marker such as a specific shape, symbol, letter, number, etc. Through this, it is possible to easily recognize the position of the implant pin 500 or teeth. For example, even if the tray is turned upside down on the tooth, the user can easily and accurately know the position of the implant pin 500 or the tooth on the tray through the position recognition unit 225 as described above. Through this, the user can more accurately and easily expose the implant pin 500 or teeth by removing the implant pin 500 or by removing a hole in the position where the tooth exists.
  • FIG. 26 is an exploded perspective view illustrating an example of a holding part 241 formed in the inner tray 200 and a seating groove 141 formed in the outer tray according to the present invention
  • FIG. 27 is an inner tray 200 of FIG.
  • FIG. 28 is a perspective view illustrating an example of the stepped portion 242 formed in the side surface 240 of FIG. 26, and
  • FIG. 28 illustrates an example of a hole 220 formed in the side surface 240 and the bottom surface 230 of the inner tray 200 of FIG. 26. It is a perspective view and an exploded perspective view for demonstrating.
  • the inner tray 200 has a grip portion 241 protruding to the outside on the side surface 240 of the soft plate.
  • the gripping part 241 is a gripping means for stable gripping of a user when gypsum is injected after the impression is taken into the inner tray 200, but the size or shape thereof is not particularly limited, but the inner tray 200 is provided. It is preferable to protrude outward from the center of the side surface 240 having a curvature of the side surface 240 of the.
  • the gripping portion 241 protrudes from the lower end of the side surface 240 of the inner tray 200 to be gripped by the user's thumb and forefinger, and is positioned transversely, It is preferable that the support surface 241b is integrally formed at both ends of the gripping surface 241a and is positioned in the longitudinal direction 240 of the inner tray 200.
  • the gripping surface 241a is preferably a square shape and the width thereof is the same as the handle 120 of the outer tray 100, and the support surface 241b has a right triangle shape, the gripping surface 241a. It serves as a reinforcement to be firmly fixed to the side 240 of the inner tray 200, it is preferable to form a space for the user to grip the gripping surface 241a using a thumb and forefinger. Do.
  • the outer tray 100 is open to the side wall 140 to accommodate the grip portion 241 formed on the side surface 240 of the inner tray 200 to be seated on the handle 120. It has a seating groove 141.
  • the seating recess 141 may be formed to be open at a position corresponding to the grip portion 241 at the side portion 140 on which the handle 120 of the outer tray 100 is formed, and the grip portion is located in the open space. It is more preferable to have the same width as the holding portion 241 to accommodate the (241).
  • the gripping portion 241 may be seated or supported by the handle 120 of the outer tray 100 through the mounting groove 141.
  • a protrusion 280 may be integrally formed on a seating surface of the grip part 241, and a protrusion through part 180 may be formed at a position corresponding to the protrusion 280 on the handle 120.
  • the protrusion 280 and the protrusion through-hole 180 are not particularly limited in size and shape, but the description of overlapping descriptions thereof will be omitted because the same structure as that of the protrusion 280 shown in FIG. That is, the gripper 241 thus seated is coupled to the handle 120 of the outer tray 100, and the inner tray 200 may be more firmly coupled to the outer tray 100.
  • the handle 120 is integrally located at the outer lower end of the outer tray 100 to simplify the manufacturing process. It is preferable to be manufactured by molding. That is, when the external tray 100 is manufactured, the external tray 100 and the handle 120 are integrally formed in a single process without attaching the handle 120 separately, thereby reducing manufacturing cost and manufacturing process. Is there.
  • the inner tray 200 is characterized in that the stepped portion 242 protrudes from the inner side surface 240 where the gripping portion 241 is located.
  • the stepped portion 242 is not particularly limited in size or shape, but is formed in a right triangle shape on the inner side surface 240 of the inner tray 200 so that the impression material filled in the inner tray 200 is caught at a lower end thereof. It is preferable to have the support jaw 242a of the flat surface.
  • the stepped portion 242 is the impression material filled in the inner tray 100 is caught on the support jaw (242a) and after taking the bone of the tooth after removing the inner tray 200 in the oral cavity, the impression material is The position may be maintained without deformation in the inner tray 200.
  • the stepped portion 242 may have an artificial undercut function.
  • a plurality of holes 220 formed on the side surface 240 and the bottom surface 230 of the inner tray 200 may be formed in various shapes.
  • the hole 220 may be formed in various shapes such as a circle, an ellipse, a triangle, a rectangle, and a polygon, but the hole 220 formed on the side surface 210 of the inner tray 200 is formed in a straight shape, and has a bottom surface. Holes 220 formed in the two ends are preferably formed to have a semicircular curvature.
  • 29 is a perspective view and an exploded perspective view for explaining an example of the hole 220 formed in the net form on the bottom surface 230 and the side surface 240 of the inner tray 200 in accordance with the present invention.
  • a plurality of holes 220 are formed in the bottom surface 230 and the side surface 240 of the inner tray 200, and the bottom surface 230 of the inner tray 200 in a net form. ) And is formed wider than the area of the side 240.
  • the hole 220 formed wider than the area of the bottom surface 230 and the side surface 240 of the inner tray 200 is not particularly limited in size or shape.
  • the hole 220 has an area larger than that of the side surface 240 of the inner tray 200, so that the impression material penetrating the hole 220 further provides friction or restraint force and is firmly coupled to the inner tray 200. Therefore, accurate tooth impression can be obtained.
  • 32 to 34 are views for explaining the dental impression tray 1002 according to the present invention.
  • the dental impression tray 1002 according to the present invention includes the upper jaw tray 1100 and the lower jaw tray 1200.
  • the upper tray 1100 in FIG. 32A is referred to as the lower tray 1200 in FIG. 32B, but the roles may be reversed.
  • the upper tray 1100 has a tooth border 1120 protruded from an upper surface of the base plate 1110 (base plate) on which the plurality of through holes 1130 are formed, and an inlet edge is formed in the lower surface of the base plate 1110.
  • the lower side spill prevention portion 1140 is formed to surround the protrusion.
  • the dental rim 1120 is divided into a front edge of the tooth 1121 and a rear edge of the tooth 1122, and the rear edge of the tooth 1122 may not be installed depending on circumstances.
  • the tooth front edge 1121 is installed like a folding screen at the front edge of the base plate 1110, and the tooth rear edge 1122 is installed like a folding screen at the rear edge of the base plate 1110.
  • the dental rim 1120 is preferably curved like the arrangement of the teeth.
  • the dental rim 1120 serves as a guide for the dental impression tray 1002 to be snapped into place when the bite bites the dental impression tray 1002, and the impression material filled in the dental impression tray 1002 may be used. It also acts as a barrier to prevent side flow.
  • the handle 1160 is installed to protrude forward of the base plate 1122, and may extend from the base plate 1110 or extend from the front edge of the tooth 1121. In the present embodiment, the former case is shown.
  • the lower jaw tray 1200 Similar to the upper tray 1100, the lower jaw tray 1200 also has a tooth border 1220 protruding from the upper surface of the base plate 1210 having a plurality of through holes 1230 formed therein, and an inlet edge penetrates the lower surface of the base plate 1210.
  • the lower side leakage prevention part 1240 is formed to protrude from the shape surrounding the ball 1230.
  • the tooth border 1220 of the lower jaw tray 1200 is also divided into a front edge 1221 and a rear edge 1222 of the teeth, as described above, and the rear edge 1222 of the tooth may not be installed depending on the situation.
  • the handle 1260 is also installed in the same manner as the upper tray 1100.
  • the upper tray 1100 and the lower tray 1200 are coupled to each other such that the lower surfaces of the two base plates 1110 and 1210 are supported against each other. It is preferable that the two base plates 1110 and 1210 have the same shape and coincide with each other so that the operator is comfortable when biting the dental impression tray 1002 and the upper and lower jaw impressions are obtained with the same reliability.
  • the tray 1100 may protrude further than the lower jaw tray 1200, in which case the base plate 1110 of the upper jaw tray 1100 will protrude further forward, which is naturally included in the scope of the present invention.
  • the lower side spill prevention portion 1140 of the upper tray 1100 and the lower side spill prevention portion 1240 of the lower tray 1200 are preferably disposed to be offset from each other. Then, the lower end of the lower side spill prevention portion 1140 of the upper tray 1100 is in contact with the blocked portion that is not formed through holes 1230 in the base plate 1240 of the lower tray 1200, the lower tray 1200. The lower side of the leakage prevention portion 1240 end of the bottom plate 1140 of the upper tray 1100 by contact with the blocked portion that is not formed through-hole 1130, the end of the lower side leakage prevention portion (1140, 1240) All of these will be in the state blocked by the base plates 1110 and 1210. Then, the impression material is prevented from being trapped in the lower side spill prevention portions 1140 and 1240 and flowing into another place.
  • a plurality of vertically protruding bars 1150 and 1250 are installed side by side on the inner surfaces of the dental rims 1120 and 1220. This is to allow the impression material to stick to the dental impression tray 1002 as it is and to fall off only from the teeth in the process of placing and placing the dental impression tray 1002.
  • 35 is a plan view for explaining the lower side leakage prevention parts (1140, 1240).
  • the lower side spill prevention portion 1140 of the upper tray 1100 and the lower side spill prevention portion 1240 of the lower tray 1210 are disposed to be adjacent to each other while being disposed to be adjacent to each other to form a lower portion of the upper tray 1100. It is preferable that the outer side of the side spill prevention portion 1140 and the lower side side spill prevention portion 1240 of the lower mandrel 1200 are installed to have a surface contact with each other.
  • the upper tray 1100 and the lower tray 1200 is preferable to maintain the state that does not slide sideways in the coupled state, it is preferable to obtain the impression, the lower side outflow prevention unit (1140, 1240) as described above if the lower side outflow prevention Since the parts 1140 and 1240 act as obstacles to each other, the upper tray 1100 and the lower tray 1200 may be prevented from slipping.
  • the lower side spill prevention portions 1140 and 1240 are disposed to be shifted while being adjacent to each other as described above, it means that one through hole 1130 and the opposite through hole 1230 are disposed to be adjacent to each other by being shifted from each other. It is also a way to maximize the number and total area of (1130, 1230). If the number of through holes 1130 and 1230 is large and the total area is large, the amount of impression material entering the through holes 1130 and 1230 increases, and thus the impression material differs from the upper tray 1100 and the lower tray 1200. It is desirable that the sticking force becomes stronger.
  • the through holes 1130 and the opposite through holes 1230 are disposed to be adjacent to each other while being displaced as described above, the lower side side leakage prevention part 1140 and the opposite lower side leakage prevention part at the edges of the base plates 1110 and 1210. Since the portions 1240 are alternately arranged, the two base plates 1110 and 1210 are blocked by the side walls of the lower side surface leakage preventing portions 1140 and 1240 so that there is no gap. Therefore, it is possible to obtain an effect of preventing foreign matter from flowing between the two base plates 1110 and 1210 during the acquisition.
  • the through holes 1130 and 1230 may be disposed to be adjacent to the dental borders 1120 and 1220.
  • the protrusion bars 1150 and 1250 positioned on the through holes 1130 and 1230 among the plurality of protrusion bars 1150 and 1250 may have a bottom hole as indicated by reference numeral A of FIGS. 33 and 34.
  • the undercuts 1151 and 1251 serve to hold the impression material so that it is not detached from the upper and lower jaw trays 1100 and 1200 by the impression material being caught in the process of placing the dental impression tray 1002.
  • the reason why the undercuts 1151 and 1251 are formed in the protruding bars 1150 and 1250 on the through holes 1130 and 1230 among the many protrusion bars 1150 and 1250 is that the tool is picked up through the through holes 1130 and 1230. This is because the bottom ends of the protrusion bars 1150 and 1250 can be easily removed. Then, not only the fallout of the impression material is prevented by the undercuts 1151 and 1152, but also the through-holes 1130 and 1230 thereunder may also serve to prevent the fallout of the impression material.
  • the lower side outflow prevention part 1140 has an upper end entrance larger than the through hole 1130, so that the edge of the through hole 1130 protrudes inwardly of the lower side outflow prevention part 1140, and thus the locking step 1180.
  • the locking jaw 1180 also serves to hold the impression material so that the impression material is not detached from the upper and lower jaw trays 1100 and 1200 in the process of placing the dental impression tray 1002. .
  • the coupling induction part 270 is formed to make the coupling in place easier.
  • the coupling guide unit 1270 may be installed at any one of the upper jaw tray 1100 and the lower jaw tray 1200. In FIG. 32 to FIG. 34, the coupling guide unit 1270 is installed at the upper jaw tray 1100.
  • the coupling guide portion 1270 is preferably formed on the base plate 1210, and in this case, the handle 1260 may also be regarded as part of the base plate 1210.
  • the first coupling guide portion 1271 is formed to protrude from the handle 1260 of the lower tray 1200 in a shape that coincides with the handle 1160 of the upper tray 1100, and the upper tray 1210 is formed on the base plate 1210.
  • the second coupling induction part 1272 is formed to protrude so as to be engaged with the rear edge 1122 of the tooth 1100, the first coupling induction part 1271 and the second coupling induction part 1272 may be assisted even with a concentrated concentration. Receiving the upper tray 1100 and the lower tray 1200 can be easily and easily coupled while being in place.
  • FIG. 37 is a view for explaining the through hole 1130.
  • the lower side leakage preventing units 1140 and 1240 may not be installed.
  • the through hole 1130 is preferably wider toward the lower side from the upper surface of the base plate 1110. Then, the impression material entered into the through hole 1130 is not easily escaped. This is similarly applied to the through hole 1230 of the lower tray 1200, even if the lower side outflow prevention unit (1140, 1240) is installed in a more preferred embodiment.
  • the impression material 1060 is attached by attaching a bonding material or a nonwoven fabric to the top surfaces of the base plates 1110 and 1210 to which the impression material 1060 may stick.
  • the prevention of desorption of belongs to one embodiment of the present invention.
  • impression tray 1002 is a view for explaining a method of using the impression tray 1002 according to the present invention.
  • impression materials 1060 are filled on both sides of the dental impression tray 1002 as shown in FIG. 38A.
  • the operator bites the tray for dental impression 1002 and then pulls it out.
  • the upper jaw 1070a is formed in the upper jaw tray 1100
  • the lower jaw 1070b is formed in the lower jaw tray 1200.
  • the maxillary tray Pour gypsum 1080 into each of the 1100 and the lower tray 1200.
  • the impression material 1060 filled in Figure 38a is tightly filled in the lower side outflow prevention portion (1140, 1240) through the through holes (1130, 1230). Then, the impression material 1060 is not only increases the area in contact with the dental impression tray 1002, but also is filled tightly while pushing the inner side of the lower side leakage prevention parts (1140, 1240), the adhesive force acts strongly in the impression acquisition process to raise the impression material ( 1060 is not easily removable from the dental impression tray 1002.
  • the lower side spill prevention portions 1140 and 1240 serve to prevent the impression material 1060 from flowing into other places.
  • the shape of the through-hole 1130 as shown in Figure 37 also contribute to this desorption prevention effect.
  • the impression material 1060 is provided with an effect of not being easily separated from the tray 1002 for dental impressions.
  • the lower side leakage prevention parts 1140 and 1240 also block the impression material 1060 from being pushed sideways through the two base plates 1110 and 1210 when the subject bites the dental impression tray 1002. do.
  • the impression material 1060 is pushed sideways through the two base plates 1110 and 1210, there is a problem that the upper tray 1100 and the lower jaw tray 1200 is displaced or the impression material 1060 consumption is increased during the pulling process. .
  • the impression acquisition process is simple and saves time.
  • the process of pouring the gypsum 1080 may be performed in a state where the maxillary tray 1100 and the mandatory tray 1200 are separated, the gypsum 1080 is poured on one side and waited until it is hardened, and then the gypsum 1080 on the other side. ), There is no need to go through the conventional process of pouring.
  • the impression material 1060 in the impression acquisition process includes a number of configurations for preventing the removal from the dental impression tray 1002, there is no need to excessively use the impression material 1060 as in the conventional impression material 1060 Reduce the consumption of
  • Dental impression tray according to the present invention can be applied to modify the appearance only in order to obtain the upper and lower jaw anterior, upper and lower jaw molar, and the entire upper and lower jaw.
  • the contour for mainly acquiring the upper and lower jaw anterior parts may be outlined.
  • 40 and 41 are views for explaining another modification of the dental impression tray 1002 according to the present invention.
  • the front edge 1221 of the tooth has a constant height.
  • the dental rims 1120 and 1220 such as concave curved portion B of the front edges 1121 and 1221, they are included in the scope of the present invention.
  • the dental impression tray 1002 may have a curved shape along the shape of the natural occlusion of the upper and lower jaw, and the base plates 1110 and 1210. The edges of the) may form a flat surface without forming a dental rim, and thus various modifications of the shape of the base plates 1110 and 1210 or the dental impression tray 1002 are also included in the scope of the present invention.
  • the left posterior dental impression tray and the right posterior dental impression tray may have the same shape or may have different shapes.
  • the dental impression tray 2001 according to the present invention includes a guide tray 2010 and an impression tray 2020.
  • the guide tray 2010 includes a tooth accommodating portion 2011 on one side so that the tooth can be inserted and accommodated.
  • the guide tray 2010 is installed in the oral cavity, not only the general teeth but also the portions where the implant fixtures are placed are located in the tooth accommodation unit 2011. At this time, the position where the implant fixtures are placed is visually placed from the outside.
  • the guide tray 2010 is preferably made of a transparent material so as to grasp.
  • Transparency here does not mean that you have to be 100% transparent, but it is enough if you can see the location of the implant inside. Of course, higher transparency would be desirable for accurate positioning.
  • the handle 2012 of the guide tray 2010 does not need to be made of a transparent material, and the base surface of the dental accommodating part 2011 is sufficient to be made of a transparent material.
  • the transparent material is made up to the side of the tooth accommodating portion (2011), it will be more preferable to confirm the position of the implant fixture.
  • a guide mark portion 2013 is formed so that the implantation position of the implant fixture can be expressed in position coordinates.
  • the guide marking unit 2013 preferably includes a number display unit 2013a, a center display unit 2013b, and a section display unit 2013c.
  • the teeth of a person are formed in the upper and lower jaw, respectively, 8 on the left and 8 on the right, and there are 16 upper teeth and 16 lower teeth.
  • the number display unit 2013a is preferably displayed in the form of 1 to 8 times to the left and 1 to 8 times to the right from the center of the oral cavity so as to rank the positions of the teeth.
  • the center display portion 2013b is preferably displayed in a cross shape (+) so as to grasp the center position of each number.
  • the numeric display portion 2013a and the center display portion 2013b may be displayed overlappingly or not, but the former case may be preferable as shown in the drawing.
  • the interval display unit 2013c is for displaying a boundary between teeth, and is preferably displayed as a dividing line between numbers. In the crosshair of the center display portion 2013b, there should be a mark indicating each quadrant, which is represented as A, B, C, and D in the drawing.
  • Such a guide mark portion 2013 is preferably formed on the opposite side of the tooth receiving portion 2011 is visible to the naked eye from the outside. Of course, in some cases it may be formed on the side of the dental accommodating portion 2011 is also included in the scope of the present invention.
  • the impression tray 2020 is used to imitate the site where the implant fixture is placed.
  • the impression tray 2020 is installed in the teeth in a state in which the guide tray 2010 grasps the placement position of the implant fixture.
  • the impression tray 2020 is provided with an impression material accommodating portion 2022 for accommodating an impression material, and the impression material accommodating portion 2022 is installed so as to be snapped into the teeth to simulate the portion where the implant fixture is implanted.
  • the guide mark part 2013 is formed so that the through hole can be accurately formed at a position corresponding to the position coordinate grasped by the guide mark part 2013. ) Is preferably formed in the impression tray 2020.
  • the through position display unit 2023 may include a number display unit 2023a, a center display unit 2023b, and a section display unit 2023c.
  • the impression tray 2020 is preferably made of a plastic material because the through-hole should be able to be formed while having a certain degree of strength.
  • 43 and 44 are views for explaining a method of using the dental impression tray 2001 according to FIG. 42.
  • the guide tray 2010 is installed in the tooth portion in which the implant fixture 2101 is placed.
  • the guide tray 2010 is made of a transparent material, the position where the implant fixture 2101 is placed through the guide tray 2010 can be grasped with the naked eye, and the guide tray 2010 can be located with respect to the corresponding position. Marked as reference numeral A in the guide marker (2013).
  • Such marking will be performed directly by the operator through the oil pen or the like.
  • the positional coordinates may be written on the medical card.
  • the same marking part as the guide marking part 2013 may be made in advance on the medical card, and the check mark may be directly displayed on the corresponding position.
  • the guide tray 2010 may be installed after the impression coping 2102 is installed in the implant fixture 2101 using the coping screw 2103.
  • the through hole h is drilled at the same position as the position coordinate specified by the guide marker portion 2013 while looking at the through position display portion 2023 of the impression tray 2020.
  • the impression coping 2102 is installed in the implant fixture 2101 using the coping screw 2103, and the impression tray 2020 is filled with the impression material, and then as shown in FIG. 43D.
  • the impression material accommodating part 2022 is made to bite into a tooth
  • the impression coping 2102 and the coping screw 2103 are higher than the surrounding teeth, the impression coping 2102 and the coping screw 2103 are out of the impression tray 2020 through the through hole h in this process. It pops out.
  • the impression tray 2020 When filling the impression tray 2020 with the impression material, it is preferable to cover a portion having the through hole h with a material that is easily torn, such as vinyl, so that the impression material does not leak to the outside through the through hole h.
  • a material that is easily torn such as vinyl
  • the impression fixture 2101 is still and only the impression coping 2102 is accompanied by the impression coping (i.e., in the impression material of the impression tray 2020). 2102) the toothbone floats with the nail embedded.
  • the through hole is formed in the impression material tray 2020, the through hole has to be made large in view of the error of positioning.
  • the impression material is excessively leaked out through the through-hole during the impression process, there is a problem such as not only the excessive consumption of the impression material but also the impression is not made properly.
  • the present invention forms the through hole h at the correct position of the impression tray 2020 by using the guide tray 2010 as described above, it is not necessary to form the through hole h unnecessarily large. do.
  • the same pore analog 2101 'as the implant fixture 2101 is inserted into the impression coping 2102 embedded in the impression tray 2020, and the coping screw 2103' is inserted.
  • the pore analog 2101 ' is fixed.
  • the coping screw 2103 'at this time may be the same as that used previously, but is preferably used as a new one.
  • the abutment is fastened to the replica gypsum model 2110, and a prosthesis is manufactured by a conventional method.
  • FIG. 45 is a view for explaining a second embodiment of the dental impression tray 2001 according to the present invention, which differs in the configuration of the impression tray 2020 as compared with the first embodiment.
  • the method of use is the same as that of the first embodiment.
  • the impression tray 2020 is divided into an outer tray 2020a and an inner tray 2020b, which may be detachably fastened to each other or may be integrally formed.
  • Detachable fastening may be implemented in a variety of ways, the fastening method through the hook 2025 is shown in FIG.
  • the hook 2025 will be installed in one of the outer tray 2020a and the inner tray 2020b, and the hook coupling groove fastened to the hook 2025 will be installed at the other side thereof.
  • the case where the hook 2025 is installed in 2020a and the hook coupling groove is installed in the inner tray 2020b which is the counterpart is shown.
  • the hook 2025 is preferably installed on the edge side away from the center of the inner tray 2020b, so that the filling of the impression material by the hook 2025 is not disturbed.
  • the latch 2024 is placed on the upper end of the side wall of the inner tray 2020b to be outwardly bent slightly, so that the latch 2024 is formed of the outer tray 2020a. It is desirable to fit over the rim.
  • the inner tray 2020b is for making the impression material stick to the impression tray 2020 side rather than the tooth when the impression tray 2020 is lifted out of the tooth.
  • the impression catch portion 2021 is preferably formed in the inner tray 2020b.
  • the impression catch portion 2021 may be implemented in various forms such as a through hole, a stepped portion, or a protrusion. In FIG. 45, a case in which the impression material catch part 2021 is implemented in the form of a through hole is illustrated as an example.
  • the guide tray 2010 is an outer tray. It is a case where the guide tray 2010 and the inner tray 2020b form a set and serve as one impression tray by serving as the role of 2020a.
  • the inner tray 2020b is fastened to the inside of the guide tray 2010 so that a through hole can be formed at the position of the implant fixture identified through the guide tray 2010.
  • the inner tray 2020b and the guide tray 2010 will form a body and will be used as an impression tray to imitate the site where the implant fixture is placed. However, only the guide tray 2010 is first used to determine the position of the implant fixture. Since the inner tray 2020b and the guide tray 2010 should be used separately, it is preferable to take a structure in which the inner tray 2020b and the guide tray 2010 are detachably fastened to each other.
  • Detachable fastening may be implemented through the hook 2025 or the like as described above, it is preferable that the hook 2024 is formed so that the inner tray 2020b is properly fixed to the guide tray 2010.
  • the inner tray 2020b is for sticking the impression material well, and includes the impression material catch 2021 as described above.
  • FIG. 47 is a view for explaining a method of using the dental impression tray 2001 shown in FIG. 46.
  • the guide tray 2010 is installed in the tooth portion in which the implant fixture 2101 is placed.
  • the guide tray 2010 is made of a transparent material, the position where the impression coping 2102 to the coping screw 2103 is located can be visually recognized through the guide tray 2010, and the guide tray for the corresponding position. (2010) as shown by reference number A.
  • Such marking may be performed while the guide tray 2010 is installed in the oral cavity, or may be taken out of the oral cavity. In the former case, there may not be a guide marker portion 2013, but in the latter case, since the operator remembers the position coordinates and then takes out the guide tray 2010, the marking is performed. 2013) is preferably formed.
  • the guide tray 2010 and the inner tray 2020b are coupled to each other, and then the through hole (20) passes through the marking portion A of the guide tray 2010 to the inner tray 2020b. h).
  • the through hole h will then be formed precisely at the implantation position of the implant fixture.
  • the impression material is filled in the dental accommodating portion 2011 of the guide tray 2010 in a state where the guide tray 2010 and the inner tray 2020b form a body. At this time, the impression material is strongly held to the inner tray 2020b by the impression material catch portion 2021.
  • the impression coping 2102 is installed on the implant fixture 2101 using the coping screw 2103.
  • the installation of the impression coping 2102 may already be preceded by the process of FIG. 47A for installing the guide tray 2010.
  • the through hole h is made of a material that is easily torn as described above so that the impression material does not leak to the outside through the through hole h. It is desirable to cover the area where it is.
  • the tooth accommodating portion 2011 of the guide tray 2010 is made to bite into the tooth portion.
  • the impression coping 2102 and the coping screw 2103 are higher than the surrounding teeth, the impression coping 2102 and the coping screw 2013 pass through the through hole h in the process. Sticks out.
  • the guide tray 2010 and the inner tray 2020b may form both a work of identifying the implantation position of the implant fixture and a bonding work in a state of forming a body.
  • the guide tray 2010 and the inner tray 2020b do not necessarily need to be detachably fastened, but may be integrally formed.
  • FIG. 48 is a view for explaining a fourth embodiment of the dental impression tray 2001 according to the present invention
  • FIG. 49 is a view for explaining the tray body 2100 of FIG.
  • the tray body 2100 of the dental impression tray 2001 has an opening 2111 formed at the bottom thereof, and a bottom member made of a transparent material to block the opening 2111.
  • 2112 is installed at the bottom of the tray body 2100.
  • the bottom member 2112 is preferably made of a vinyl material so that the impression coping 2102 and the coping strand 2103 can be easily penetrated through.
  • the impression material accommodating part 2105 is formed on the bottom upper portion of the tray body 2100 to accommodate the impression material. It is preferable that an impression material catch portion 2121 is formed inside the receiving portion side wall 2104 to hold the impression material.
  • Impression material catch portion 2121 preferably has a concave groove shape in which the left and right sides and the upper part are blocked and the lower part is open. When a plurality of impression material catches 2121 are formed in the concave groove sideways, adjacent concave groove shapes will share the catch side wall 2122.
  • the catch portion side wall 2122 has a rectangular cross section.
  • a case has a constant thickness so that the cross section has a rectangular or square shape.
  • the catch portion side wall 2122 is preferably installed to be spaced apart from the bottom of the impression material accommodating portion 2105, as indicated by reference numeral t1. This causes the impression material to enter the gap between the distal end of the catch side wall 2122 and the bottom of the impression material receiving portion 2105 so that the impression material is more strongly held by the catch side wall 2122. In addition, since the impression material is pressed against the tooth, the shape of the tooth comes out more accurately.
  • Figure 51 is a view for explaining the tray body 2100 of FIG.
  • the fourth embodiment has a cross section of the catcher side wall 2122 in the shape of a square, but has a thinner thickness on the side of the accommodating side wall 2104, so that the cross section is trapezoidal in shape. It differs from the examples.
  • the cross section of the cutout side wall 2122 has a trapezoidal shape, the impression material is more strongly held by the impression material catch part 2121, which is preferable.
  • FIG. 52 is a view for explaining a sixth embodiment of the dental impression tray 2001 according to the present invention
  • FIG. 53 is a view for explaining the tray body 2100 of FIG.
  • the sixth embodiment differs from the fourth and fifth embodiments in that the catch sidewall 2122 is slightly lifted up as indicated by reference numeral t2 at the receiving sidewall 2104. It makes a difference. This causes the impression material to enter into the gap t2 between the catch side wall 2122 and the receiving side wall 2104, which not only holds the impression material stronger by the catch side wall 2122, but also the impression material is pressed against the tooth. As it is pressed down, the shape of the tooth comes out more accurately.
  • FIG. 54 is a view for explaining a seventh embodiment of the dental impression tray 2001 according to the present invention
  • FIG. 55 is a view for explaining the inner tray 2220 of FIG.
  • the dental impression tray 2001 includes an outer tray 2210 and an inner tray 2220, each of which is open to the bottom of the outer tray 2210 and the inner tray 2220.
  • the part 2201 is formed.
  • a bottom member made of a transparent material is installed to block the opening portion 2201 of the outer tray 2210 or the opening portion 2201 of the inner tray 2220.
  • the bottom member is omitted.
  • the bottom member may be installed inside the inner tray 2220, may be installed between the inner tray 2220 and the outer tray 2210, or may be installed outside the outer tray 2210.
  • an impression material catch portion 2221 is formed in the inner tray 2220 to hold the impression material.
  • the impression material catch portion 2221 may be implemented in various forms such as a through hole, a stepped portion, or a protrusion.
  • the impression material catching portion 2221 is illustrated as an example. Even though a through hole is formed in the inner tray 2220, the impression material does not flow out because the through hole forming part is blocked by the outer tray 2210.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Dentistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
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  • Dental Prosthetics (AREA)

Abstract

La présente invention concerne un porte-empreinte dentaire et, plus particulièrement, un porte-empreinte dentaire comprenant : un plateau externe formé d'un matériau dur et ayant une poignée au niveau d'un de ses côtés ; et un plateau interne inséré dans le plateau externe et comprenant des trous formés sur sa surface et à travers lesquels un matériau d'impression peut passer. La présente invention facilite la séparation du matériau d'empreinte, peut empêcher le matériau d'empreinte de fuir, et peut être utilisé en remplaçant le plateau interne.
PCT/KR2015/005358 2014-05-28 2015-05-28 Porte-empreinte dentaire WO2015183012A1 (fr)

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
KR1020140064175A KR20150136770A (ko) 2014-05-28 2014-05-28 인상재 분리가 용이한 치과 인상용 트레이
KR10-2014-0064175 2014-05-28
KR1020140082630A KR20160004128A (ko) 2014-07-02 2014-07-02 치과 인상용 트레이
KR10-2014-0082630 2014-07-02
KR1020140150546A KR20160051105A (ko) 2014-10-31 2014-10-31 상하악 구강상태 동시 인상채득용 바이트 트레이
KR10-2014-0150546 2014-10-31
KR10-2014-0153157 2014-11-05
KR1020140153157A KR20160053701A (ko) 2014-11-05 2014-11-05 치과 인상용 트레이
KR10-2015-0069922 2015-05-19
KR1020150069922A KR20160136133A (ko) 2015-05-19 2015-05-19 임플란트 인상채득 트레이 및 이에 사용되는 투명 가이드 트레이

Publications (1)

Publication Number Publication Date
WO2015183012A1 true WO2015183012A1 (fr) 2015-12-03

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Application Number Title Priority Date Filing Date
PCT/KR2015/005358 WO2015183012A1 (fr) 2014-05-28 2015-05-28 Porte-empreinte dentaire

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Country Link
WO (1) WO2015183012A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190061954A (ko) * 2017-11-28 2019-06-05 이형우 임플란트용 어버트먼트 시적을 위한 패턴 레진 성형키트
KR20200144009A (ko) * 2019-06-17 2020-12-28 (주)지니덴탈 치과용 다기능 인상 트레이
CN113226217A (zh) * 2018-12-26 2021-08-06 林松株式会社 种植牙植入引导装置的制造方法、用于制造该种植牙植入引导装置的初步引导装置及引导托盘

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US3890711A (en) * 1974-04-18 1975-06-24 William F Burns Adjustable dental impression tray
US5551872A (en) * 1994-09-30 1996-09-03 Mena; Raul Dental impression device
US6302690B1 (en) * 1999-09-08 2001-10-16 Espe Dental Ag Dental impression tray
US20060063124A1 (en) * 2002-10-28 2006-03-23 Marc-Antoine Barraya Impression tray set
US20080286714A1 (en) * 2004-05-05 2008-11-20 Klaus Haselhuhn Impression Tray
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190061954A (ko) * 2017-11-28 2019-06-05 이형우 임플란트용 어버트먼트 시적을 위한 패턴 레진 성형키트
KR102032029B1 (ko) 2017-11-28 2019-11-08 이형우 임플란트용 어버트먼트 시적을 위한 패턴 레진 성형키트
CN113226217A (zh) * 2018-12-26 2021-08-06 林松株式会社 种植牙植入引导装置的制造方法、用于制造该种植牙植入引导装置的初步引导装置及引导托盘
KR20200144009A (ko) * 2019-06-17 2020-12-28 (주)지니덴탈 치과용 다기능 인상 트레이
KR102213222B1 (ko) * 2019-06-17 2021-02-05 (주)지니덴탈 치과용 다기능 인상 트레이

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