KR20190107228A - customized dental implant for immediate implanting after extraction of tooth - Google Patents

Abstract

The present invention relates to a customized implant which can be placed immediately after tooth extraction, which is immediately placed in accordance with a natural shape of the individual after tooth extraction, has strong adhesion to alveolar bone after procedure, and can shorten the procedure time. A yarn-shaped dental root medium having a dental root portion having the same shape as the dental root of the natural tooth to be extracted, is implanted into an empty space of the alveolar bone formed by extraction of natural tooth, and the yarn-shaped dental root medium is integrated by screw-coupling of the inner surface of the alveolar bone or the protrusion alveolar bone.

Description

Customized dental implant for immediate implanting after extraction of tooth}

The present invention relates to a custom implant that can be placed immediately after extraction, natural tooth root medium having a root portion of the same shape as the root of natural teeth after tooth extraction, can be used by screwing directly into the empty space of the alveolar bone It relates to a dental tailored implant.

In general, the implant is intended to recover when the tissue of the human body is lost. To replace the tooth root of the lost tooth, the tooth that has escaped from the artificial tooth root composed of titanium (Titanium) as a main component, which is not rejected by the human body After planting in the alveolar bone and adhering to it, the artificial tooth is fixed to restore the original function of the tooth.

As such implants, fixture types of various implants such as subperiosteal implants, blade-type implants, cylindrical screw-type implants are used, and double-cylindrical screw-type implants are most frequently used.

The cylindrical screw-type implant is forcibly implanted a cylindrical screw-type fixture in the alveolar bone, the artificial tooth is fixed to the implanted cylindrical screw-type fixture.

However, the conventional cylindrical screw-type implant has a problem that it takes several months for the procedure of the implant because after waiting until the bone and the implant is bonded and stabilized, the artificial tooth for the restoration of function after the ellipse.

In addition, natural teeth have a variety of forms according to their function and individual, but conventionally used implants are made of a column of a fixture embedded in the alveolar bone, it may occur that can not withstand long-term occlusal pressure .

In other words, the molar has a number of cusps to efficiently ruin the food, and the abdominal muscles are embedded in the alveolar bone to support large occlusal pressure from various directions occurring at the time of grinding.

The implants used in the prior art have a standardized cylindrical shape in which the fixture embedded in the alveolar bone is established. When an artificial tooth such as a molar is installed, the diameter of the fixture rapidly increases in the vicinity of the gum rim, and is customized to an individual. Even if the artificial teeth produced as a problem was that the procedure is made in a different shape than natural natural teeth.

In addition, when extracting the individual teeth, the portion inserted into the gum bone is the root of the tooth to form a three-dimensional space in the gum bone in the volume as the root of the tooth, the three-dimensional space to form a variety of shapes according to the individual patient However, conventionally used implants are made of cylindrical cylinders in which the fixtures are standardized regardless of the shape of various three-dimensional spaces according to the individual, so that additional gum bone grafts may be performed due to the difference between the root shape of the natural teeth and the shape of the standardized implant fixtures. Many problems have arisen, including the need for maxillary sinus elevation.

In addition, in order to improve the problems of the conventional implant as described above, the development of a customized implant that is to be fused to the alveolar bone by implanting the media to replicate the similar to the root portion of the missing tooth into the empty space of the alveolar bone from which the natural tooth is extracted However, such a custom implant takes a lot of time until the carcass and alveolar bone are naturally fused, and even a implant implant is implanted in the three-dimensional space of the alveolar bone so that it cannot be fixed tightly. In order to achieve good adhesion between the implant medium and the alveolar bone, there are various problems such as providing irregularities on the surface of the body or separately surface treatment by etching and sand spraying.

Korean Laid-Open Patent Publication No. 10-2016-0031454 (2016.03.22) Registered Patent Publication No. 10-1058996 (2011.08.17) Registered Patent Publication No. 10-1744447 (2017.05.31) Registered Patent Publication No. 10-1244546 (2013.03.11)

An object of the present invention is to provide a custom implant that can be placed immediately in accordance with the natural tooth form of the individual after tooth extraction, the bonding strength to the alveolar bone after the procedure, the procedure time can be shortened.

The present invention is a tooth root tooth shape having a root portion of the same shape as the tooth of the natural tooth to be extracted is implanted into the empty space of the alveolar bone formed by the extraction of natural teeth, the actual tooth root medium is the inner surface or protrusion of the alveolar bone It is configured to be integrated into the alveolar bone by screwing.

According to the present invention, the actual tooth root medium having the same root portion as that of the natural tooth is implanted in the alveolar bone by screw coupling, so that not only the fixed strength is improved, but the actual root tooth medium is tight to the alveolar bone without additional surface treatment. It is effective to be firmly placed.

According to the present invention, after the extraction of natural teeth, the actual tooth root medium is to be implanted immediately, and in addition to avoiding the procedure of cutting the gum to insert the medium in the conventional implant procedure, the tooth and conventional standardization of the tooth of the natural tooth Due to the different types of implants, additional gum bone grafts and maxillary sinus elevations can be avoided, thereby shortening the implant procedure.

According to the present invention, since the exact shape of the root tooth root medium accurately replicated according to its teeth is placed, not only the resistance to occlusal pressure is excellent, but also the accumulation of food residues between the implant and the implant or between the implant and the surrounding tooth after the implant procedure There is a preventable effect.

In the present invention, since the artificial tooth almost coinciding with its own tooth is coupled to the actual tooth root shape, it looks almost the same as the natural tooth, thereby improving the patient's satisfaction of the implant procedure.

The present invention is to be able to adjust the angle of the abutment screw coupled to the prosthetic alveolar, artificial teeth can be manufactured so that the boundary line of the gums and teeth and the transition line of the root and crown is similar to natural teeth to give improved aesthetics It can be effective.

In addition, the present invention is that the upper portion of the prosthetic alveolar bone is inserted into the fixed through hole or the inner through hole formed in the actual tooth root body, and the root portion of the actual tooth root body is supported in contact with both sides of the prosthetic alveolar bone, There is an effect that the fixing screw and the abutment screw is stably coupled to.

In addition, the present invention is made in accordance with the shape of the tooth tooth to form the tooth root tooth shape, the fixed through-hole and the inner through-hole formed in the actual tooth root tooth is formed to guide the fixed screw or abutment to the prosthetic alveolar bone As a result, the patient's safety is promoted without any further action, and thus the implantation procedure can be performed.

1 is an exemplary view showing a configuration according to the present invention (top fixed type)
2 is an exemplary view showing a procedure of the implant according to FIG.
Figure 3 is an exemplary view showing another configuration according to the invention (abutment screw type)
4 is an exemplary view showing a procedure of the implant according to FIG.
5 is an exemplary view showing another configuration according to the present invention (fixed screw type)
6 is an exemplary view showing a procedure of the implant according to FIG.
Figure 7 is an illustration showing a modified configuration of the actual tooth root-body according to the invention

1 is an exemplary view showing the configuration according to the present invention (upper stationary type), Figure 2 is an exemplary view showing the procedure of the implant according to Figure 1, Figure 3 is an illustration showing another configuration according to the present invention Figure (abutment screw type), Figure 4 is an exemplary view showing the procedure of the implant according to Figure 3, Figure 5 is an exemplary view (fixed screw type) showing another configuration according to the present invention, Figure 6 5 is an exemplary view showing a procedure of implantation according to FIG. 5, and FIG. 7 is an exemplary view showing a modified configuration of a solid root root body according to the present invention.

The custom implant 100 according to the present invention is a tooth-shaped tooth root body 10 having the same shape as the root of the natural tooth to be extracted is implanted into the empty space 30 of the alveolar bone from which the natural tooth is extracted, the actual shape Root root body 10 is configured to be integrated by screwing into the alveolar bone (20).

The actual tooth root recess 10 is manufactured to have the same root portion 11 as the root of the natural tooth to be extracted. That is, the 3D image of the natural tooth to be extracted is obtained to obtain the exact shape of the root of the natural tooth as a 3D image, and then, based on the obtained 3D image, it is printed by a precision machining or a 3D printer using a known precision processing machine. It is prepared to have the same root portion as the root of.

Since the actual tooth root shaped body 10 formed as described above is manufactured based on the 3D image of the natural tooth to be extracted, it is made to be tailored to fit within the empty space 30 of the alveolar bone formed by the tooth state and extraction of each patient.

In other words, the actual tooth root-shaped body 10 according to the present invention is inserted into the empty space 30 of the alveolar bone from which natural teeth are extracted, as is the root of natural teeth, and is placed.

At this time, the actual tooth root shape 10 may be formed to the same size as the root of the extracted natural tooth, or may be formed larger than the root of the extracted natural tooth, the forced placement in the empty space 30 of the alveolar bone It is preferable to form a larger than the root of the natural tooth extracted so that the bonding force with the alveolar bone 20 is improved.

The real root tooth-shaped body 10 configured as described above is fixed to the protruding alveolar bone 20 located in the empty space 30 of the alveolar bone by the fixing screw 40 or the abutment screw 50, or the alveolar bone inner surface. It is to be implanted in the empty space 30 of the alveolar bone by the upper fixing body 60 which is screwed to the 31.

At this time, the protruding alveolar bone 20 is a portion of the alveolar bone located between the roots of the natural tooth, when the extraction of natural teeth, means the alveolar bone protruding into the alveolar bone empty space, the alveolar bone inner surface 31 is empty according to the extraction of natural teeth It means the outer circumferential surface of the alveolar bone exposed into the space.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary view showing the configuration according to the present invention (upper stationary type), Figure 2 is an illustration showing the procedure of the implant according to Figure 1, the present invention is a real tooth root medium 10a ) Is implanted into the empty space 30 of the alveolar bone from which natural teeth are extracted and fixed by the upper fixing body 60,

The actual tooth root recess 10a, the root portion 11 is provided so as to have the same shape as the root of the natural tooth, the locking projection 12 is formed on the upper root portion,

The upper fixing body 60 has an inner opening groove 64 in which the engaging protrusion 12 of the thread-shaped tooth rooting body is located, and an outer thread thread 61 is coupled to the inner surface 21 of the alveolar bone. ,

As the screw thread 61 of the upper fixing body is coupled to the inner surface 22 of the alveolar bone, the root portion 11 of the actual tooth root medium may be implanted into the empty space 30 of the alveolar bone.

The solid root recessed body 10a is integrally formed with two root portions 11 to be identical to the root of a tooth extracted by 3D scanning or the like, and has a neck flange shape on the upper sides of the two root roots. The locking projections 12 are formed to protrude. At this time, the locking projection 12 is formed so as to be located in the center of the upper end of the thread-shaped tooth root body (10a).

The upper fixing body 60 is to allow the thread-shaped tooth root body 10a to be stably fixed in the empty space 30 of the alveolar bone from which natural teeth are extracted, and a thread 61 is formed along an outer circumference. (62), the abutment (63) protruding from the upper surface (62a) of the body, and formed to have a predetermined depth on the lower surface (62b) of the body so that the locking projection (12) of the actual tooth rooting body is It includes an inner open groove 64 located.

At this time, the inner opening groove 64 is formed so as to correspond to the locking projections 12 of the thread-shaped tooth root body formed in a neck flange shape, the locking projections 12 of the thread-shaped tooth root body is an inner opening groove 64. It is comprised so that it does not deviate from inside.

That is, the upper fixing body 60 is rotatable around the locking protrusion 12 in a state where the locking protrusion 12 is located in the inner opening groove 64, but the neck flange has a locking protrusion 12. This prevents separation from the actual tooth root recess 10a.

In addition, the upper fixing body 60 is preferably formed in a cylindrical shape, the structure that the screw thread 61 provided in the body to the alveolar bone inner surface 22 is sufficient, but is not necessarily limited to the cylindrical shape.

Since the coupling structure of the upper fixing body 60 and the actual tooth root-forming body 10a as described above may be formed so as to remain coupled by the 3D printer, a detailed description thereof will be omitted. Figure 1 (a) is for explaining the configuration of the present invention, the upper fixing body 60 and the actual tooth root 10 (a) is not separately separated and combined.

As shown in FIG. 2, the implant 100 according to the present invention configured as described above has a thread shape while the upper fixture 60 is screwed to the inner surface 22 of the alveolar bone by rotation of the upper fixture 60. Rooting body (10a) is to be implanted into the empty space 30 of the alveolar bone, and when the fixing of the upper fixing body 60 and the actual tooth rooting body (10a) is completed, which is formed in the upper fixing body (60) Artificial tooth 70 is coupled to the abutment 63. In this case, since the combination of the abutment 63 and the artificial tooth 70 is a known technique used in an implant procedure, a detailed description thereof will be omitted.

3 is an exemplary view showing another configuration according to the present invention (abutment screw type), Figure 4 shows an exemplary view showing the procedure of the implant according to Figure 3, the present invention is a real tooth root The plant 10b is placed in the empty space 30 of the alveolar bone from which natural teeth are extracted and fixed by the abutment screw 50,

The actual tooth root recess 10b, the root portion 11 is provided to have the same shape as the root of the natural tooth, the upper portion of the protruding alveolar bone 21 located in the empty space 30 of the alveolar bone is inside A fixed through hole 13 is provided to be inserted into the abutment screw, and the abutment screw 50 is coupled to the protruding alveolar bone 21 through the fixed through hole 13 to be implanted in the empty space 30 of the alveolar bone. have.

The solid root recess 10b is formed integrally with two root portions 11 to be the same as the root of the tooth extracted by the 3D scan, and penetrating alveolar bone 21 through the two root portions The fixed through hole 13 is formed in the direction of ().

The fixed through hole 13 is a curved tapered concave upper hole 13a, and is formed in the direction of the protruding alveolar 21 at the center of the upper end 13a so that an upper portion 21a of the protruding alveolar 21 is inserted. It includes a cylindrical bottom hole 13b.

The upper hole 13a is formed of a semi-circular curved surface having a predetermined depth or a semi-elliptic curved surface whose outer circumferential surface has a predetermined depth so that the head 52 of the abutment screw is inserted into and contacted.

The lower hole 13b has a predetermined inner diameter and is formed in a cylindrical shape so that the threaded portion 51 of the abutment screw can be inserted therethrough and the upper portion 21a of the protruding alveolar 21 can be inserted therein. have. In addition, the lower hole 13b is formed to have an inner diameter d larger than the outer diameter D of the threaded portion 51 of the abutment screw so that the abutment screw can be installed to be inclined.

The abutment screw 50 is configured to simultaneously have an abutment function and a fixing function of the actual tooth rooting body.

That is, the abutment screw 50 includes a head portion 52 having an abutment function and a screw portion 51 coupled to the protruding alveolar bone 21 through the fixed through hole 13. The head 52 has a bottom surface 52a rounded in a hemispherical shape.

As shown in FIG. 4, the implant 100 according to the present invention configured as described above has a protrusion in a state in which the root portion 11 of the silver thread-shaped root media is supported in contact with both sides of the protrusion alveolar bone 21. Since the upper portion 21a of the alveolar bone is inserted into the fixed through hole 13, the prosthetic alveolar bone 21 is stably supported, and the abutment screw 50 is easily coupled to the alveolar bone 21. Can be done.

In addition, in the present invention, the upper hole 13a of the fixed through hole of the actual tooth root body is formed of an elliptic or semicircular curved concave hole, and the head portion of the abutment screw contacting the upper hole 13a has a hemispherical lower shape. Since it is provided with a surface 52a, the planting angle of the abutment screw 50 can be adjusted while the actual tooth root 10 can be implanted, thereby adjusting the shape and installation angle of the artificial tooth 70. Various adjustments are possible.

That is, since natural teeth have various shapes according to the individual and individual, not only the shape and angle of the crown, but also the shape and position of the alveolar bone and the protruding alveolar bone in the empty space formed by the extraction of natural teeth. Will be equipped,

The present invention is precisely coupled to the prosthetic alveolar bone by adjusting the abutment screw angle by the upper surface of the fixed through hole and the lower surface of the abutment screw head, and the lower hole of the fixed through hole, the implantation of the root tooth shape Since the shape and the installation angle of the artificial tooth coupled to the head of the abutment screw can be adjusted in various ways. Since the combination of the abutment and the artificial tooth is used in a known implant, a detailed description thereof will be omitted.

5 is an exemplary view showing another configuration according to the present invention (fixed screw type), Figure 6 is an exemplary view showing a procedure of the implant according to Figure 5,

In the present invention, the actual tooth root shape 10c is implanted into the empty space 30 of the alveolar bone from which natural teeth are extracted and fixed by a fixing screw 40,

The actual tooth root recess 10c, the root portion 11 is provided to have the same shape as the root of the natural tooth, the abutment 14 is formed integrally on the upper side, the empty space 30 of the alveolar bone The inner through hole 15 is formed to penetrate the abutment 14 so that the upper portion 21a of the protruding alveolar bone positioned therein is inserted into the fixing screw 40 through the inner through hole 15. By joining to (21), the actual root-bearing body 10c is placed in the empty space of the alveolar bone.

The actual tooth root recess 10c has two root portions 11 integrally formed so as to be identical to the root of a tooth extracted by a 3D scan, and an abutment having an inner through-hole 15 protruding upward. Through 14 between the root portion 11 is formed in the direction of the projection alveolar bone 21.

At this time, the inner through-hole 15 is formed in a cylindrical shape having a stepped surface (15b), as shown in Figure 5 (a), or as shown in Figure 5 (a), downward direction It is formed in the shape of an inverted truncated cone that gradually decreases in diameter, and preferably in the shape of an inverted truncated cone.

The fixing screw 40 is for fixing the thread-shaped tooth root recess 10c to the protruding alveolar 21, and is inserted into the inner through-hole 15 of the thread-shaped tooth root recess and the screw portion 41 is the protruding alveolar bone ( 21, the head portion 42 is supported by the step surface 15b or the inner surface 15a of the inner through hole.

As described above, the actual tooth root recess 10c according to the present invention is firmly implanted in the empty space 30 of the alveolar bone by the fixing screw 40, and is located on the upper side of the actual tooth root recess 10c. The artificial tooth 70 is coupled to the protruding abutment 14. Since it is a known technique used in the implant procedure of the abutment 14 and artificial teeth, a detailed description thereof will be omitted.

Figure 7 is an illustration showing a modified configuration of the actual tooth root medium according to the present invention, the present invention, when the loss occurs in the bone portion when extraction of the tooth, the actual shape enlarged root so as to extend to the bone loss space (30a) The embedding body 10d is formed, and the enlarged tooth root shaped body 10d may be configured to be implanted in the empty space 30 of the alveolar bone by the fixing screw 40 or the abutment screw 50.

In this case, it is preferable that the thread-shaped enlarged rooting body 10d is formed with the thread-shaped rooting body 10 and the loss medium 16 corresponding to the missing bone part integrally, but the abutment screw ( When implanted by 50), the solid root recess 10 and the loss medium 16 may be separated and formed integrally by the abutment screw 50.

The present invention configured as described above can be applied not only to molars having two roots, but also to premolar, canines and incisors having one root.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

(10,10a, 10b, 10c): Rooting Media (11): Root
(12): locking projection (13): fixed through hole
(13a): upper hole (13b): lower hole
(14): abutment (15): inner through hole
(15a): inner surface of inner through hole (20): alveolar bone
(21): protrusion alveolar bone (21a): upper part
(21b): Both sides (22): Alveolar bone inner surface
(30): empty space of the alveolar bone (40): fixed screw
(41): screw part 42: head part
50: abutment screw 51: threaded portion
(52): head (52a): lower surface
(60): upper fixing body (61): thread
(62): body 62a: body upper surface
(62b): Body lower surface 63: Abutment
(64): internal open groove (70): artificial tooth

Claims (8)

A solid root mediator having a root portion having the same shape as that of the natural tooth to be extracted is implanted into an empty space of the alveolar bone formed by extraction of the natural tooth,
The actual tooth root canal implant is implantable immediately after extraction, characterized in that configured to be integrated by screw coupling to the inner surface of the alveolar bone or protrusion alveolar bone.
The method according to claim 1;
The solid root rooting plant is placed in the empty space of the alveolar bone where the natural tooth is extracted by the upper fixing body.
The actual tooth root recess, the root portion is provided so as to have the same shape as the root of the natural tooth, the engaging projection is formed on the upper root portion,
The upper fixing body has an inner opening groove in which the locking projection of the thread-shaped tooth rooting body is located and is configured to form a screw thread coupled to the inner surface of the alveolar bone on the outer surface thereof.
The implant of the upper fixing body coupled to the inner surface of the alveolar bone is implanted after the extraction, characterized in that the root portion of the tooth root implant is configured to be implanted into the empty space of the alveolar bone.
The method according to claim 1;
The actual root-bearing body is placed in the empty space of the alveolar bone where natural teeth are extracted by the abutment screw.
The thread-shaped root media has a root portion so as to have the same shape as the root of the natural tooth, a fixed through hole to be inserted into the upper portion of the proximal alveolar bone located in the empty space of the alveolar bone, the fixed through The abutment screw is coupled to the prosthetic alveolar through the hole, so that the implant can be implanted immediately after extraction.
The method according to claim 3;
The engaging projection is formed in the shape of a neck flange (neck flange),
The inner opening groove is formed in a shape corresponding to the locking projection of the thread-shaped tooth root body formed in the shape of a neck flange,
In the state where the locking projection is located in the inner opening groove, the upper fixing body can be rotated about the locking projection, but immediately after extraction, characterized in that it is configured not to be separated from the actual tooth root type by the neck flange shape locking projection. Custom implants that can be placed.
The method according to claim 1;
The solid rooting plant is placed in the empty space of the alveolar bone where the natural tooth is extracted by the fixing screw.
The actual tooth root, the root tooth is provided to have the same shape as the root of the natural tooth, the abutment is integrally formed on the upper side, so that the upper part of the proximal alveolar bone located in the empty space of the alveolar bone An inner through hole is formed through the butt,
Fixed implant is coupled to the prosthetic alveolar through the inner through hole, so that the implant can be implanted immediately after extraction, characterized in that the actual root-medibranous body is placed in the empty space of the alveolar bone.
The method according to claim 5;
The fixed through hole includes a concave upper hole tapered in a semi-circular shape, and a cylindrical lower hole formed in the direction of the protruding alveolar bone at the center of the upper end and into which an upper portion of the protruding alveolar bone is inserted.
The abutment screw, characterized in that the abutment function and the lower surface in contact with the top hole is formed in a hemispherical round head portion, and a screw portion coupled to the protruding alveolar through a fixed through-hole Customized implants that can be placed immediately after extraction.
The method according to claim 5 or 6;
The bottom hole is a custom implant that can be placed immediately after extraction, characterized in that the abutment screw is formed to have an inner diameter larger than the outer diameter of the threaded portion of the abutment screw so that the abutment screw can be inclined inclined.
The method according to claim 1;
The solid root tooth planting is made of a tooth-shaped enlarged root plant to expand to the bone portion lost by extraction of natural teeth,
The thread-shaped enlarged rooting body is formed so that the thread-shaped rooting body and the loss medium corresponding to the missing bone are integrally formed and implanted in the empty space of the alveolar bone by a fixing screw or abutment screw,
It is a custom implant that can be implanted immediately after extraction, characterized in that the root-shaped root deformed body and the loss medium corresponding to the missing bone portion are separated and formed to be implanted in the empty space of the alveolar bone.

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