WO2015069012A1 - Endoprothèse de guidage pour implant dentaire - Google Patents

Endoprothèse de guidage pour implant dentaire Download PDF

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Publication number
WO2015069012A1
WO2015069012A1 PCT/KR2014/010564 KR2014010564W WO2015069012A1 WO 2015069012 A1 WO2015069012 A1 WO 2015069012A1 KR 2014010564 W KR2014010564 W KR 2014010564W WO 2015069012 A1 WO2015069012 A1 WO 2015069012A1
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WO
WIPO (PCT)
Prior art keywords
guide
fixture
hexa
stent
hole
Prior art date
Application number
PCT/KR2014/010564
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English (en)
Korean (ko)
Inventor
김진철
Original Assignee
주식회사 디오
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
Application filed by 주식회사 디오 filed Critical 주식회사 디오
Priority to AU2014347410A priority Critical patent/AU2014347410B2/en
Priority to JP2015553670A priority patent/JP2016507293A/ja
Publication of WO2015069012A1 publication Critical patent/WO2015069012A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0089—Implanting tools or instruments
    • A61C8/009—Implanting tools or instruments for selecting the right implanting element, e.g. templates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
    • A61B17/17—Guides or aligning means for drills, mills, pins or wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5247—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from an ionising-radiation diagnostic technique and a non-ionising radiation diagnostic technique, e.g. X-ray and ultrasound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/082—Positioning or guiding, e.g. of drills
    • A61C1/084—Positioning or guiding, e.g. of drills of implanting tools
    • 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
    • A61C9/004—Means or methods for taking digitized impressions
    • A61C9/0046—Data acquisition means or methods
    • A61C9/0053—Optical means or methods, e.g. scanning the teeth by a laser or light beam

Definitions

  • the present invention relates to a guide stent for dental implants, and more particularly, to guide the placement of the fixture and the formation of perforations for the implantation in the implantation process, the convenience and accuracy of the fixture placement and prosthesis coupling A guide stent for dental implants is improved.
  • an implant means a substitute that can replace human tissue when the original human tissue is lost, but in the dentist, an implanted artificial tooth is implanted.
  • a fixture made of titanium which does not have a rejection reaction on the human body, is planted in the alveolar bone where the tooth falls out, and the artificial tooth is fixed to restore the function of the tooth.
  • the surrounding teeth and bones are damaged over time, but the implant can prevent damage to the surrounding dental tissue and can be used stably because there is no secondary decay factor.
  • the implant since the implant has the same structure as the natural teeth, there is no pain and foreign body feeling of the gums, and there is an advantage that can be used semi-permanently if you manage well.
  • FIG. 1 is a flowchart illustrating a conventional implant procedure.
  • the conventional implant procedure is a first procedure (s1, s2, s3, s4) to place the fixture in the alveolar bone (s1, s2, s3, s4), the time the bone is fused to the alveolar bone (3-6 months After waiting for), the process includes fixing the final prosthesis (crown) (s5, s6).
  • the first procedure is a gum removal step (s1) of opening the gum of a portion where a tooth is missing (s1), a multi-stage drilling step (s2) for forming a perforation for fixing the fixture, and a fixture placement step (s3), the implanted fix Coupling the temporary teeth to the cchi (s4) is made.
  • the gum removal step (s1) the gum is removed through a tissue punch or the like, and the alveolar bone at the position where the fixture is placed is exposed. Then, through the multi-stage drilling step (s2) in the exposed portion of the alveolar bone to form a perforation for fixing the fixture.
  • the multi-stage drilling step (s2) may be formed by forming an initial hole, expanding the hole, forming a screw thread in the hole, and removing the remaining alveolar bone in the hole. It can be variously made according to the type of drill used and the drilling method.
  • the fixture is implanted in the perforation formed through the multi-stage drilling step (s2) (s3), and the first procedure is completed by combining the temporary teeth with the implanted fixture (s4).
  • the fixture placed in the perforation is to play the role of the root of the artificial tooth. Therefore, the recovery process of the alveolar bone forming the fixture and bone fusion is fast and stable, and in order to provide a stable coupling force between the alveolar bone and the fixture after the bone fusion, it is very important to form an accurate perforation in the multistage drilling step (s2), The completeness of the artificial tooth formation through the implant procedure will be influenced.
  • the temporary tooth includes a healing abutment and a cover screw.
  • the healing abutment and the cover screw are inserted into the fixture while the implanted fixture is fused to the alveolar bone, and the inside of the fixture is damaged by preventing gum or foreign matter from flowing into the inside of the fixture. Will be prevented.
  • the temporary tooth is coupled to the fixture, and after waiting for the alveolar bone to recover for a period of about 3 to 6 months, the temporary tooth is removed and the abutment is coupled (s5). Finally, when the final prosthesis (crown) is coupled to the zone, the implant procedure can be completed (s6).
  • the drilling process for forming the perforation is performed using a surgical guide tool called a stent.
  • the stent acquires the alveolar bone shape in the oral cavity through CT imaging, and obtains the shape of the teeth and the gums through the plaster model formed after the profile in the oral cavity. And, by matching the image to plan the implant procedure through the simulation, to produce a stent to guide the operation in accordance with the plan.
  • the stator is formed with a guide hole for guiding the placement position of the fixture corresponding to the implant treatment plan in a fixed state in the oral cavity.
  • the inner circumference of the guide hole may rotate to support the outer circumference of the drill used to form the perforation to guide the perforation to be formed in the correct direction and depth during the drilling process.
  • a fixture is implanted in the perforation formed through the drilling step, and a hexa hole is formed inside the fixture, and a temporary tooth (healing abutment / cover screw) or abutment part (abutment) is formed in the hexa hole.
  • Hexadex is inserted and fixed.
  • the adhesive is fixed together by inserting the inside of the hexa-hole.
  • the hexa-holes and the hexa-projections are provided in a honeycomb form, which is advantageous for pressure dispersion, and the hexa-projections may be accurately inserted into the hexa-holes when inserted in a predetermined direction.
  • the cover screw of the temporary tooth prevents food from infiltrating into the empty space inside the fixture, causing infection or influx of gums, thereby reducing the bonding force between the fixture and the alveolar bone, and the healing abutment serves as the cover screw. It is used to catch the shape of the gum that is being played with.
  • the upper side of the abutment portion is formed a polygonal projection to which the final prosthesis is coupled, the direction of the polygonal projection will vary depending on the insertion angle of the abutment portion. Accordingly, when the final prosthesis is manufactured, the preparation period and the production period become longer because the fabrication of the final prosthesis should be performed by reflecting the direction of the zone.
  • the guide stand for the dental implant that improves the positioning and positioning of the fixture in the implantation procedure and the formation of the perforation for the implantation of the fixture, the convenience and accuracy of the fixture placement and prosthesis coupling Providing a test is a challenge.
  • the present invention is formed in a profile set through the three-dimensional image acquisition data in the oral cavity is coupled to the stent is wrapped around the periodontal tissue fixed for implant placement for guiding the implant placement position
  • a guide stent comprising: a stent body having a coupling hole formed at the fixture placement position; And a hollow bushing portion which is inserted into the coupling hole and coupled to each other, and includes a guide hole in which an implant drill is rotated and supported in an inner circumference, and a protrusion formed on the outer circumference of the hollow bushing portion but fixed to one side of the coupling hole. It provides a guide stent for a dental implant, characterized in that it comprises a sleeve comprising.
  • the guide protrusions are aligned at a predetermined placement angle so that the hexa-projections of the abutments to be fitted to the hexa-holes of the fixture are aligned with the placement angles of the crowns manufactured according to the 3D image acquisition data. It is preferable to be fixed to the edge of the coupling hole.
  • the circumferential width of the guide protrusion may be aligned so that the hexa protrusions of the abutments formed in the hexa-holes of the fixture are aligned with the arrangement angles of the crowns manufactured according to the 3D image acquisition data. It is preferable to correspond to the width of the guide surface of the.
  • the hexa protrusions of the abutments to be fitted to the hexa-holes of the fixtures are aligned to correspond to the arrangement angles of the crowns manufactured according to the 3D image acquisition data. It is preferable that an alignment groove is formed to insert the guide protrusion.
  • the guide protrusion is projected to a single portion of the outer circumference of the hollow bushing portion, the guide protrusion is formed on the abutment and the guide surface corresponding to the arrangement angle of the crown manufactured according to the three-dimensional image acquisition data It is preferably disposed at a position aligned in parallel with one surface of the hexa hole corresponding to the surface, the coupling surface is roughened along the circumferential direction is formed on the outer peripheral surface of the hollow bushing portion.
  • the guide stent for dental implants according to the present invention provides the following effects.
  • the guide stent is combined with the guide protrusion corresponding to the arrangement angle of the crown manufactured according to the 3D image acquisition data, so that the crown is aligned with the preset placement angle by aligning the fixture / abutment to the guide protrusion. It can be coupled precisely to the abutment.
  • the circumferential width of the guide protrusion is provided to correspond to the width of the guide surface of the abutment, so that the operator can align the guide surface with the guide protrusion, the hexa hole of the fixture and the hexa protrusion of the abutment are automatically Because it is aligned with, easy alignment is possible, so the procedure time can be reduced.
  • the alignment groove formed on the upper edge of the coupling hole of the guide stent can be accurately inserted and fixed to the guide protrusion corresponding to the arrangement angle of the crown manufactured according to the 3D image acquisition data, so that the fixture and abutment Alignment accuracy can be improved, and crowns made at the time of guide stent fabrication can be precisely incorporated into the oral cavity to fit the implant procedure.
  • the sleeve is fixed so that the guide protrusion is inserted into the alignment groove of the coupling hole so as not to rotate, and the separation prevention protrusion protruding from the inner circumferential surface of the coupling hole is simply inserted into the separation prevention groove of the hollow bushing to lock the direction. It is firmly coupled by inserting and fitting, and the assembly of the product can be improved because the guide protrusion is automatically aligned to the set position.
  • 1 is a flow chart showing a conventional implant procedure.
  • Figure 2 is an illustration of a guide stent for dental implants according to one embodiment of the present invention.
  • Figure 3 is a perspective view showing a sleeve of the guide stent for dental implants according to an embodiment of the present invention.
  • Figure 4 is a plan view showing a sleeve of the guide stent for dental implants according to an embodiment of the present invention.
  • Figure 5a is a schematic diagram of the use of the guide stent for dental implants according to an embodiment of the present invention.
  • FIG. 5B is a cross-sectional view illustrating the projection of the hexa-hole of the fixture and the hexa-projection of the abutment in the A-A cross section of FIG. 5A;
  • Figure 5c is a perspective view showing a state that the abutment and the fixture is aligned by the guide protrusion according to an embodiment of the present invention.
  • Figure 2 is an illustration of a guide stent for a dental implant according to an embodiment of the present invention
  • Figure 3 is a perspective view showing a sleeve of the guide stent for dental implants according to an embodiment of the present invention
  • Figure 4 5A is a plan view illustrating a sleeve of a guide stent for a dental implant according to an embodiment of the present invention
  • FIG. 5A is a schematic view of the use of the guide stent for dental implants according to an embodiment of the present invention
  • Figure 5c is abutment and fixture aligned by the sleeve of the guide stent for dental implants according to an embodiment of the present invention
  • the guide stent 100 for a dental implant includes a stent body 10 and a sleeve 20.
  • the guide implant 100 for the dental implant is formed of a profile set by the three-dimensional image acquisition data obtained through the three-dimensional information and the image information in the oral cavity, and serves to guide the overall implant operation to be performed thereafter .
  • CT imaging of the patient is performed to obtain 3D information about alveolar bone and teeth in the oral cavity.
  • image information about the appearance of the patient's periodontal tissue such as teeth and gums is obtained through oral scanning, model scanning, or plaster model.
  • the 3D image acquisition data may be obtained by matching the 3D information and the image information.
  • an implant procedure plan can be established after simulation in consideration of the anatomical prosthetic relationship of the patient according to the 3D image acquisition data.
  • the stent body 10 of the guide stent 100 is formed with a profile set to have the shape of the periodontal tissue in the oral cavity according to the 3D image acquisition data.
  • the stent body 10 is provided with a sleeve 20 for guiding a fixture placement position according to the implant treatment plan and for guiding drilling to form a perforation at the fixture placement position.
  • the outer surface of the stent body 10 is formed of a profile set through the three-dimensional image acquisition data, the periodontal tissue can be combined and inserted and fixed.
  • an anchor hole 12 may be provided at the side of the stent body 10.
  • an anchor pin is inserted into the anchor hole 12, and the stent body 10 may be fixed in the oral cavity as the anchor pin is inserted into and fixed to the gum and alveolar bone of the patient.
  • the stent body 10 can stably guide various implant procedures including drilling operations in a fixed state.
  • the stator body 10 is preferably a coupling hole 11 corresponding to the number of implants to be implanted along the position where the fixture is to be implanted.
  • the sleeve 20 is inserted into and coupled to each of the coupling holes 11, and includes a hollow bushing 23 and a guide protrusion 21.
  • the coupling hole 11 is formed corresponding to the fixture placement position
  • the hollow bushing portion 23 is formed with a guide hole 22 for rotating the implant drill is supported along the inner circumference.
  • the guide hole 22 is rotatably supported by a drill for forming a hole in which the fixture is to be placed, and the depth, formation direction, diameter, etc. of the hole may be guided by the guide hole 22.
  • the guide hole 22 is preferably provided with a diameter that can be in contact with the outer peripheral surface of the drill, the upper edge of the guide hole 22 is formed in the height range that can adjust the insertion depth of the drill It is desirable to be.
  • the hollow bushing portion 23 is preferably provided with a brass material. As a result, it is possible to firmly support the stress due to the high-speed rotation of the drill and to reduce frictional forces during rotation, thereby reducing frictional heat generation and preventing deformation of the guide hole 22 due to stress or frictional heat.
  • the precision of the drilling can be improved, and thus a more complete implant procedure is possible, and vibration or damage of the drill due to the deformation can be prevented.
  • the guide protrusion 21 is protruded on one side of the outer circumference of the hollow bushing 23 and is fixed to one side of the coupling hole 11.
  • the guide protrusion 21 may prevent the sleeve 20 from being rotated when the sleeve 20 is inserted into and fixed to the inside of the coupling hole 11.
  • the hollow bushing portion 23 since the hollow bushing portion 23 has an inner circumferential surface in contact with the outer circumferential surface of the drill, a force that the hollow bushing portion 23 rotates together by the rotation of the drill acts.
  • the guide protrusion 21 may be fixed to one side of the coupling hole 11 of the guide stent 10 to prevent rotational flow of the hollow floating portion 23 and separation and detachment thereof.
  • the guide protrusion 21 prevents the hollow bushing 23 from being rotated along the drill, thereby reducing the accuracy of the drill guide, thereby providing stable guide performance.
  • a coupling surface 232b roughened along the circumferential direction may be formed on an outer circumferential surface of the hollow bushing part 23. Accordingly, when the hollow bushing part 23 and the coupling hole 11 are combined with an adhesive or the like, the bonding force may be improved as the contact area is increased.
  • the separation prevention groove portion 23a may be formed along the circumferential direction on the outer circumferential surface of the hollow bushing portion 23. At this time, the separation prevention groove portion 23a may be inserted into the separation prevention projection formed along the circumferential direction on the inner circumferential surface of the coupling hole 11 and locked.
  • the sleeve 20 is fixed so as not to rotate by the guide protrusion 21, and the separation preventing groove 23a and the separation preventing protrusion may be coupled to each other and fixed to the coupling hole 11. . Therefore, by simply inserting them in the right direction, they are not only firmly coupled to each other, but also the assembly of the product can be improved since the guide protrusions are automatically aligned to the set position.
  • the guide protrusion 21 is aligned to a predetermined placement angle so that the hexa projections of the abutment to be aligned with the hexa hole of the fixture corresponding to the arrangement angle of the crown manufactured according to the three-dimensional image acquisition data. It is preferably fixed to the edge of the coupling hole (11).
  • a hexa hole 3a is formed inside the fixture 3, and the hexa protrusion 4a of the abutment 4 is formed in the hexa hole 3a. Inserted so that it can be fixed by an adhesive.
  • the hexa-hole 3a and the hexa-projection 4a may be provided in a honeycomb form so as not to be damaged by the pressure applied when the tooth is masticated, and the hexa-projection 4a is the hexa-hole only in a predetermined direction. It can be inserted completely inside (3a).
  • the abutment 4 may be provided with a guide surface 4b provided in parallel with one surface of the hexa protrusion 4a.
  • the guide protrusion 21 is the abutment (4) and the abutment (4) to which the crown is coupled according to the arrangement angle at which the crown, which is the final prosthesis, is coupled in the oral cavity. It is preferable that the fixture 3 to which 4) is coupled is fixed to the edge of the coupling hole 11 at a predetermined placement angle.
  • the guide protrusion 21 serves as a reference for aligning the direction of the hexa hole 3a of the fixture 3, the guide protrusion 21 is coupled to the fixture 3 according to the direction of the guide protrusion 21. Butt 4 can be aligned, the crown can be coupled to the oral cavity in accordance with the three-dimensional image acquisition data.
  • the time required for the procedure can be drastically reduced by producing the crown together with the production of the guide stent 100.
  • the alignment groove 11a is formed at the upper edge of the coupling hole 11 of the guide stent 100.
  • the alignment groove 11a is a hexa-projection of the abutment 4 that is formed in the hexa-hole 3a of the fixture 3 in correspondence with the arrangement angle of the crown manufactured according to the 3D image acquisition data.
  • the guide protrusion 21 may be inserted at a predetermined arrangement angle so that 4a is aligned.
  • an implant procedure plan is established in the guide stent 100 according to the 3D image acquisition data, and a coupling hole 11 is formed corresponding to a position where the fixture 3 is placed according to the implant procedure plan. do.
  • the coupling hole 11 is inserted and fixed to guide the direction, the direction of the drilling for the fixture 3, the diameter 20 is inserted, the guide protrusion 21 of the sleeve 20 is the coupling hole Inserted into the alignment groove (11a) formed in the (11) can be aligned and fixed at a predetermined arrangement angle.
  • an alignment groove 11a is formed in the coupling hole 11 corresponding to an angle at which the crown is to be disposed, and the alignment groove 11a is formed in the guide stent 100.
  • the guide protrusion 21a is inserted and fixed.
  • the operator simply aligns the inner circumferential surface of the hexa hole 3a of the fixture 3 with the position of the guide protrusion 21 to the hexa hole 3a of the fixture 3.
  • the abutments 4 are aligned and inserted at a predetermined placement angle.
  • the arrangement angle of the crown to be provided on the abutment on the basis of the preset placement angle of the guide protrusion 21 may be set.
  • the arrangement angle of the crown acquired through the 3D image acquisition data may be set from the beginning of the procedure through the placement angle of the guide protrusion 21. Therefore, if the inner peripheral surface of the hexa hole (3a) of the fixture (3) at the beginning of the procedure just to align with the position of the guide protrusion 21, the arrangement angle of the abutment and crown in the subsequent process is fixed It can be precisely aligned in relation to the chur.
  • the arrangement angle of the guide protrusion 21 set at the time of manufacturing the guide stent 100 becomes an alignment criterion of the arrangement angle of the crown to be subsequently manufactured, thereby improving the accuracy and convenience of the procedure, and standardizing the procedure. Can be simplified.
  • the width of the circumferential direction of the guide protrusion 21 may correspond to the width of the guide surface 4b, and the width of the guide surface 4b may be the same as the circumferential width of the guide protrusion 21. Can be.
  • the operator simply aligns the width of the guide surface 4b to correspond to the circumferential width of the guide protrusion 21 so that the hexa-projection 4a of the abutment 4 is aligned. And it is possible to automatically align the hexa hole (3a) of the fixture 3 is inserted and coupled so that the hexa-projection (4a) is combined.
  • the operator can easily align the fixture 3 and the abutment 4 in correspondence with the arrangement angle of the pre-made crown can reduce the procedure time.
  • the practitioner may arrange and arrange one side of the hexa-hole 3a having a polygonal shape so as to correspond to an arrangement angle of the guide protrusion 21.
  • the abutment 4 is inserted into the fixture 3 so that the hexa protrusion 4a is fitted to the hexa hole 3a.
  • the direction of the fixture 3 may be adjusted such that the guide surface 4b is aligned with the guide protrusion 21.
  • the guide surface (4b) is formed on the outer surface of the abutment (4) is provided in parallel with one surface of the hexa projection (4a), the guide surface (4b) to the guide protrusion 21
  • the hexa-projections 4a can be aligned by arranging them.
  • the operator aligns any one of the guide surface 4b of the abutment, the hexa protrusion 4a, or the inner circumferential surface of the hexa hole 3a of the fixture with respect to the guide protrusion 21.
  • the rest can be easily sorted.
  • the crown manufactured according to the three-dimensional image acquisition data can be combined at the correct placement angle.
  • the operator can easily align the width of the guide surface 4b with the circumferential width of the guide protrusion 21 so that the procedure time can be reduced, and the fixture 3 / abutment 4 automatically As the crown is manufactured according to the precise alignment to be combined at the correct placement angle can be improved the convenience and precision of the procedure.
  • the fixture 3 may be provided with a mark corresponding to the hexa hole 3a on the upper edge so that the direction of the hexa hole 3a inside can be easily confirmed from the outside. Accordingly, the operator can easily check the direction of the fixture 3 and the direction of the abutment 4 coupled to the fixture 3.
  • the outer surface 21a of the guide protrusion 21 corresponds to the guide surface 4b formed on the abutment 4 and the guide surface corresponding to the arrangement angle of the crown manufactured according to the 3D image acquisition data. It is preferable to be disposed at a position aligned in parallel with one surface of the hexa hole (4a). At this time, the outer surface 21a of the guide protrusion 21 is preferably provided in a plane.
  • the operator may use the abutment (4) hexa protrusion (3) which is formed on one surface of the hexa hole (3a) of the fixture 3 or the hexa hole (3a) in parallel to the outer surface (21a) of the guide protrusion (21).
  • the abutment 4 may be aligned and coupled to correspond to the angle of placement of the crown.
  • the guide stand 100 is not manufactured according to the placement angle of the abutment 4. Since the arrangement angle of the crown can be set in the manufacturing step, it is possible to significantly reduce the time for preparing the implant procedure and manufacturing various prostheses.
  • the abutment / crown is manufactured, it is possible to provide a base technology device capable of completing gum removal, fixation drilling, drilling fixation, and abutment / crown installation in one operation. .
  • the guide protrusion 21 is preferably protruded in a single location on the outer circumference of the hollow bushing 23. Accordingly, the guide protrusion 21 may accurately guide the placement angle of the fixture and the placement angle of the abutment according to the preset placement angle of the crown.
  • the present invention can be applied to the industry for dental implant placement by providing a guide stent for a dental implant having a guide protrusion.

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Abstract

Afin de guider vers un site d'insertion d'un dispositif de fixation et de réaliser une perforation pour insérer le dispositif de fixation dans un processus d'opération d'implant, tout en améliorant la commodité et la précision de l'insertion du dispositif de fixation et de l'accouplement d'un appareil prothétique, le présent dispositif fait appel à une endoprothèse de guidage pour un implant dentaire qui est fabriqué grâce à un profil défini par l'acquisition des données d'une image tri-dimensionnelle de l'intérieur d'une cavité orale et qui est accouplé à une endoprothèse fixée par les tissus parodontaux environnants, permettant ainsi le guidage jusqu'au site d'insertion du dispositif de fixation. L'endoprothèse de guidage pour implant dentaire comprend : un corps d'endoprothèse présentant un trou d'accouplement formé au niveau du site d'insertion du dispositif de fixation ; une pièce de bague de type creux qui est insérée et accouplée au trou d'accouplement, et qui présente, dans sa périphérie intérieure, un trou de guidage où est supporté de manière rotative un foret pour implant ; et un manchon comportant une pièce saillante de guidage installée de façon saillante sur un côté de la périphérie extérieure de la pièce de bague de type creux tout en étant fixée sur un côté du trou d'accouplement.
PCT/KR2014/010564 2013-11-06 2014-11-05 Endoprothèse de guidage pour implant dentaire WO2015069012A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2014347410A AU2014347410B2 (en) 2013-11-06 2014-11-05 Guide stent for dental implant
JP2015553670A JP2016507293A (ja) 2013-11-06 2014-11-05 デンタルインプラント用のガイドステント

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2020130009116U KR200476682Y1 (ko) 2013-11-06 2013-11-06 치아 임플란트용 가이드 스탠트
KR20-2013-0009116 2013-11-06

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WO2015069012A1 true WO2015069012A1 (fr) 2015-05-14

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PCT/KR2014/010564 WO2015069012A1 (fr) 2013-11-06 2014-11-05 Endoprothèse de guidage pour implant dentaire

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KR (1) KR200476682Y1 (fr)
AU (1) AU2014347410B2 (fr)
WO (1) WO2015069012A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
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CN108498194A (zh) * 2017-11-20 2018-09-07 周波 一种简易种植牙导板的制作工艺
WO2021016438A1 (fr) * 2019-07-25 2021-01-28 Macri Christopher James Système et procédé pour guide chirurgical dentaire à valve hydraulique
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AU2014347410B2 (en) 2016-07-21

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