KR20130097036A - Fixture for implantation having elastic adaptor for combining abutment - Google Patents

Abstract

PURPOSE: An implant fixture is provided to fasten an abutment to a precise location and to buffer a pressure using an elastic member. CONSTITUTION: An implant fixture comprises a fixture body (110) and a coupling adaptor (130). The fixture body is laid in the alveolar bone and is formed with a guide hole (115) in the center of the shaft thereof so that the shaft connector (127) of an abutment (120) can be inserted into the upper end of the fixture body. The coupling adaptor is detachably installed inside a guide hole to fasten and to fix the outside of the shaft connector.

Description

Fixture for implantation having elastic adapter for combining abutment on inner surface of guide hole

The present invention relates to an implant fixture, and more particularly, by installing an elastic adapter for fastening in the guide hole of the fixture body and using a screw fastening method by detachably coupling an abutment to the fixture body through the fastening adapter. It relates to an implant fixture that is not intended to be.

In general, artificial teeth are artificially created teeth that are almost identical to human natural teeth in appearance and function, and these artificial teeth are used to replace natural teeth when they are defective by various factors.

In order to replace natural teeth with artificial teeth, three methods of prosthetic, denture, or alveolar bone are required. In the prosthetics, other natural teeth around the teeth must be shaved, so Not only does it cause damage, but its life span is not so long as 10 years, and in the case of dentures, it is not only the damage of natural teeth, but it can also come out of the process of use, and it gives the user a feeling of having a foreign body in the mouth. There is a problem inconvenient to use. Therefore, in the case of the prosthetics and dentures, the utilization rate is decreasing.

On the other hand, when artificial teeth are implanted in the alveolar bone, they are hardly distinguishable from natural teeth after they are completed without damaging other natural teeth around them. The implant unit is used as a structure for embedding such an artificial tooth in the alveolar bone.

1 is an exploded perspective view showing a conventional implant unit, Figure 2 is a cross-sectional view showing the internal structure of a conventional implant unit.

The conventional implant unit as shown in the figure is largely composed of a fixture (10), an abutment (20) and a screw (30).

The implant unit having such a configuration may be classified into an external type and an internal type according to the coupling type of the fixture 10 and the abutment 20. The difference between the two types is as follows. The case where the cross section of the coupling portion of the fixture 10 protrudes to the outside is called an external type, and the case where the cross section of the coupling portion is recessed inside is called an internal type.

This classification is substantially identical in configuration and operation with only differences in shape. 1 to 2 illustrate an implant unit of an external type.

First, the fixture 10 is directly embedded in the alveolar bone (jawbone) to perform a kind of pillar role, the outer diameter surface of the body is formed with a screw thread 11 for screwing into the alveolar bone, the top of the hexagon head 13 is formed, the fastening hole 15 is formed in the vertical direction inside the center of the head (13).

In this case, the screw 30 is fastened to the fastening hole 15 at the upper end of the fixture 10 in a manner of fixing the abutment 20 to the fixture 10.

Next, the abutment 20 serves as a support for mounting an artificial tooth, and at the bottom, a hexagonal guide groove 21 is formed to face the hexagon head 13 of the fixture 10. And, the upper end is formed with a groove 23 for guiding the screw 30 through the shaft.

Then, the screw 30 is formed in the upper head of the driver slot groove of the straight or cross-shaped or hexagonal wrench seat groove is formed.

Referring to the operation of the prior art consisting of the above configuration as follows.

First, the fixture 10 is screwed into the alveolar bone (jawbone). At this time, the alveolar bone is in a state of being holed a little smaller than the outer diameter of the fixture (10).

Next, the abutment 20 is positioned on the fixture 10. At this time, the hexagonal head 13 of the upper portion of the fixture 10 and the hexagonal guide groove 21 inside the lower portion of the abutment 20 are guided to each other to be seated. Thus, the abutment 20 located on the upper portion of the fixture 10 is not rotated.

Next, the screw 30 is penetrated into the groove 23 of the abutment 20 so that the thread of the screw 30 is fastened to the fastening hole 15 of the fixture 10, thereby fixing the fixture 10. And the abutment 20 is to form a fully engaged state to prevent separation.

After fixing the implant consisting of the fixture 10, the abutment 20, and the screw 30 to the alveolar bone in this manner, the abutment 20 is covered with an artificial tooth, thereby artificially damaging the patient's permanent tooth. Replace with teeth.

However, in the conventional implant unit as described above, when the continuous load in the oral cavity is repeated by the practitioner chewing and ingesting food, the screw 30 vibrates finely, and the vibration width gradually increases. The self-rotation is performed to loosen the screw coupling state, which generates a play between the fixture 10 and the abutment 20, causing the abutment 20, that is, the artificial tooth to shake, so that the patient can chew food smoothly. There was a problem that could not be, and cause undesirable chewing pressure around the artificial teeth.

In addition, in the prior art as described above, when the abutment 20 is fastened to the fixture 10, a problem may occur in which the screw 30 is fastened in a state in which the correct fastening position is not obtained. In some cases, the alveolar bone was damaged.

In addition, the implant unit having the same structure as in the prior art had a lot of difficulties in fastening the screw 30 in a narrow oral space, especially in the case where the surgical site is located on the molar side or the mouth can not be wide open. This was a difficult problem.

In addition, the prior art had a problem that it is difficult to measure the exact number of revolutions when the screw 30 is fastened. That is, not only the bone density or bone strength is wrong, but the fastening force is changed depending on the subjective judgment of the operator, thereby unintentionally damaging the alveolar bone.

In addition, it may not have a structure capable of buffering the mastication pressure may cause destruction of the alveolar bone when excessive mastication pressure is applied.

The implant unit of the prior art having such a problem was inconvenient to recombine fixtures and abutments, and there was a problem in that the patient suffered physical pain and mental stress as well as financial and time damages caused by the recombination procedure. .

An object of the present invention for solving the problems of the prior art, by installing an elastic adapter for fastening in the guide hole of the fixture body by coupling the abutment to the fixture body through the elastic adapter of the conventional screw type It is to provide an implant fixture that does not use a combination method.

Another object of the present invention is a structure for coupling the abutment to the fixture body, the procedure is simple, the fastening is made in the state where the abutment is seated in the correct position during the procedure, by inserting an elastic member To cushion the pressure.

Another object of the present invention is to provide a structure that can buffer the masticatory pressure, it is possible to produce a shorter than the fixture of the existing implant unit, which is to implant a long implant fixture to the weak bones, the procedure fails In addition, it can significantly reduce the risk of causing serious sequelae by damaging nerves, eliminating the need for bone grafts, and reducing the cost of bone graft material, thereby greatly reducing the operating cost.

Another object of the present invention is to buffer the mastication pressure to obtain a better result even in patients with weak bone, and to allow the prosthetic procedure sooner than the existing system after the implant procedure.

Another object of the present invention to prevent the physical and mental pain and economic loss caused by loosening of the screw according to the existing implant treatment method to the patient himself, and to the dentist to bear the burden of the heart due to the operation failure (re-treatment) It is possible to build a trust relationship between the patient and the doctor through a more stable procedure.

In order to achieve the above object, the present invention, the lower portion is embedded in the alveolar bone and the upper portion of the fixture is formed with a guide hole 115 in the center of the shaft to be coupled to the shaft shaft insertion portion 127 of the abutment 120 Body 110; And a fastening adapter (130) detachably installed in the guide hole (115) to fasten and fix the shaft coupling part (127) of the abutment (120). Provide fixtures.

An acute angle portion A for inserting the blade tip of the extraction mechanism is preferably formed at the boundary of the upper end of the fixture body 110 and the abutment 120.

The fastening adapter 130 is arranged in the circumferential direction a plurality of pin portions 130b cut in the vertical direction, in the shape of the concave-convex portion 128 formed in the shaft coupling portion 127 of the abutment 120 It can be made by forming a corresponding opposing concave-convex portion (130a) in the pin portion (130b).

The fastening adapter 130 is preferably made of a superelastic material, shape memory alloy or carbon fiber reinforced plastic may be used.

The uneven portion 128 may be formed by forming a band-shaped protrusion 128a and a groove 128b around the shaft coupling portion 127.

The opposing concave-convex portion 130a may include a protrusion that protrudes into the pin portion 130b.

The concave-convex portion 128 formed on the shaft coupling portion 127 of the abutment 120 and the concave-convex portion 130a formed on the pin portion 130b of the fastening adapter 130 may be oppositely formed. That is, a fastening groove recessed outward from an inner surface of the pin part of the fastening adapter 130 may be formed, and a fastening protrusion may be formed around the shaft coupling part 127 of the abutment 120 to correspond to the shape of the fastening groove. have.

In addition, the concave-convex portion formed in the concave-convex portion and the pin portion of the abutment may be implemented in various shapes to fasten the axial coupling portion of the abutment in the guide hole of the fixture.

A plurality of protrusion pieces 130c having an inverted structure may be formed around the upper portion of the fastening adapter 130. This is to prevent the detachment of the fastening adapter 130 from the fixture body 110.

The fastening adapter 130 may have a cylindrical tube or a polyhedron tube shape, or may have a ring shape or a tube shape in which a part thereof is cut. In addition, each one of the pin member may be shaped to be inserted.

The fastening adapter 130 may be formed so that the tube diameter becomes narrower as it goes down than the upper diameter.

A lower connection ring 130d may be formed at the lower circumference of the adapter 130 to connect the plurality of pin parts 130b.

A bottom portion 130e may be further formed on the lower connection ring 130d.

A stepped portion 130f may be further formed below the lower connection ring 130d.

Various types of anti-rotation parts may be formed below the lower connection ring 130d to prevent rotation of the fastening adapter (not shown).

A polygonal anti-rotation part 129 inserted into the bottom of the guide hole of the fixture body 110 may be formed at the bottom of the shaft coupling part 127 of the abutment 120.

In addition, the anti-rotation portion of the matching polygon may be formed on the bottom of the fixture guide hole.

The anti-rotation protrusion 130g protruding outward may be formed in the pin portion 130b of the fastening adapter 130 to prevent the fastening adapter from being rotated in the guide hole of the fixture. In addition, the abutment rotation preventing protrusion protruding to the inner surface of the pin 130b of the fastening adapter 130 may be further formed.

The shaft coupling part 127 may be separated from the body of the abutment and coupled to penetrate and fit through the body 121 of the abutment 120.

A buffer member D may be further installed between the fastening adapter 130 and the guide hole 115 of the fixture body 110.

At this time, the separation preventing means 140 may be installed in the upper portion of the guide hole 115 of the fixture body 110 to prevent the fastening adapter 130 and the shock absorbing member (D) from being separated.

The separation preventing means 140 may be a ring member that is screwed to the inner surface of the guide hole 115 of the fixture body 110 from the fastening adapter 130 and the buffer member (D). In this case, the screw may be combined by a ring fitting method.

Between the inner surface of the guide hole 115 of the fixture body 110 and the fastening adapter 130, it is preferable to secure a space for the fastening adapter 130 to expand to the outside when the abutment 120 is detached. Do. The shaft coupling portion 127 of the abutment 120 may be a single body, but may also be composed of a plurality of fastening legs divided, may be an elastic material.

The fastening adapter may be formed of a shape memory alloy.

The present invention allows the fixture and the abutment to be detachably coupled to the fixture body by using a fastening adapter provided in the guide hole of the fixture body without using a conventional screw type coupling method. It can be inserted and combined, so that the procedure is simple, and when the abutment is seated in the correct position, the fastening is made, and the elastic member is inserted to buffer the mastication pressure. By reducing the stress generated between the fixture and the alveolar bone to minimize the large stress on the surface of the cortical bone, which causes bone loss, it minimizes the foreign body feeling that the patient feels and can increase the service life of the implant unit. Has the effect.

In addition, the present invention is a structure that is axially coupled in the vertical direction, without using a screw fastening method, can be provided with a buffer structure that can buffer the mastication pressure can be made shorter than the fixture of the existing implant unit, which Forced implantation of long implant fixtures into the jaw forcefully can significantly reduce the risk of unsuccessful or damaging nerves and cause serious sequelae, eliminating the need for bone grafts, and saving bone graft material Brought to have the effect of greatly reducing the operating costs.

In addition, the present invention can buffer the mastication pressure to obtain a better result even in patients with weak bone, and after the implant procedure, it becomes possible to prosthetic procedure sooner than the existing system.

In addition, the present invention allows the patient to fundamentally prevent physical and mental pain and economic loss due to the loosening of the screw according to the existing implant treatment method, the dentist can reduce the burden of heart due to surgical failure (re-operation) By doing so, it is effective to build a trust relationship between the patient and the doctor through a more stable procedure.

1 is an exploded perspective view showing a conventional implant unit.
Figure 2 is a cross-sectional view showing the internal structure of a conventional implant unit.
Figure 3 is an exploded perspective view showing the overall structure of the implant unit according to the present invention.
Figure 4 is a cross-sectional view showing the internal structure of the implant unit according to the present invention.
5 to 8 are perspective views showing various modifications of the adapter structure according to an embodiment of the present invention.
Figure 9 is a cross-sectional view showing an example of installing an elastic member between the fixture body and the fastening adapter according to the present invention.
10 to 12 are cross-sectional views showing a modification of the adapter structure of FIG.
Figure 13, 14 is a cross-sectional view showing an example of forming an anti-rotation portion on the lower end of the shaft coupling portion of the abutment according to the present invention.
Figure 15 is an exploded perspective view showing a separate coupling example of the body and the shaft coupling portion of the abutment of the present invention.
Figure 16 is a cross-sectional view showing an example of directly screwing the upper end of the fixture by bending the adapter for fastening according to the present invention.
Figure 17 is an exploded cross-sectional view showing an example of spirally coupling the ring-shaped separation preventing means in the upper portion of the fastening adapter and the elastic member according to the present invention to the inner surface of the guide hole of the fixture.

Hereinafter, with reference to the accompanying drawings for the configuration and operation according to a preferred embodiment of the present invention will be described in detail.

Figure 3 is an exploded perspective view showing the overall structure of the implant unit according to the present invention, Figure 4 is a cross-sectional view showing the internal structure of the implant unit according to the present invention.

3 to 4, the implant unit according to the present invention is largely composed of a fixture body 110, an abutment 120, and a fastening adapter 130.

First, a detailed configuration of the fixture body 110 will be described.

The fixture body 110 is directly embedded in the alveolar bone (jawbone) to perform a kind of pillar role, a screw thread 111 is formed on the entire outer diameter surface of the body to be screwed to the alveolar bone, the inside of the shaft center at the top of the body A groove hole is formed in the guide hole 115 to engage the abutment 120.

In this case, a drill portion 113 may be formed at the tip of the thread 111.

In addition, the guide hole 115 may have an inner surface having a circular or polygonal shape (for example, 4, 5, 6, 8, etc.).

Next, the abutment 120 will be described.

The abutment 120 is combined with the fixture body 110 to serve as a support for mounting the artificial tooth, the anti-rotation portion 125 is formed in the lower portion of the body 121 is formed in a conical shape Can be.

The anti-rotation part 125 may be formed in a polygon, and in the drawing, a hexagonal shape is shown as an example. The anti-rotation unit 125 is a structure for fixing the setting position of the abutment 120, it may be implemented as a projection structure.

The anti-rotation part 125 is formed in a structure corresponding to the guide hole 115 formed in the fixture body 110.

In addition, the shaft coupling portion 127 extends to the lower portion of the anti-rotation portion 125.

In this case, the concave-convex portion 128 having a band-shaped protrusion 128a and the groove 128b may be formed on the shaft coupling portion 127.

The guide hole 115 of the fixture body 110, to which the abutment 120 having the structure as described above is axially coupled, is prevented from rotation that is matched with the rotation preventing portion 125 of the abutment 120 at the inlet side. Guide portion 115a is formed.

At this time, the anti-rotation guide portion 115a is formed to correspond to the shape of the anti-rotation portion 125 of the abutment 120, the figure shows an example made in a hexagonal shape.

Rotation prevention of the abutment 120 can be prevented in the form of a polygon of the fastening adapter 130, and also prevents by forming an abutment anti-rotation protrusion on the inner surface of the pin portion 130b of the fastening adapter 130. You may. In addition, a polygonal anti-rotation guide part 119 may be formed on the bottom of the guide hole 115 of the fixture body 110 to prevent it.

The fastening adapter 130 is such that the shaft coupling portion 127 of the abutment is axially coupled to the inside of the guide hole 115 of the fixture body 110 to prevent separation. The fastening adapter 130 is a superelastic material and arranged in the circumferential direction a plurality of pin portion 130b cut in the vertical direction, the shaft coupling portion 127 of the abutment 120 on the pin portion 130b It may be made by forming the counter-concave convex portion 130a corresponding to the shape of the concave-convex portion 128 formed in the. At this time, the pin portion 13b may be cut in the horizontal direction.

In this case, the opposing concave-convex portion 130a may be a band-shaped protrusion and a groove portion formed in the inner diameter of the adapter 130.

The opposite concave-convex portion 130a is expanded when the shaft coupling portion 127 enters and meets the concave-convex portion 128 to be elastically restored to its original shape to be pressed and maintained, thereby preventing the abutment 120 from being separated. .

The plurality of pin portions 130b of the fastening adapter 130 may be integrally connected in the circumferential direction, divided into two or three subunits, or assembled into separate pin portions 130 one by one. When assembling one by one separate pin portion 130, each groove is formed so that each pin portion 130b is installed on the bottom of the guide hole 115 of the fixture body 110.

In this case, the fastening adapter 130 is coupled to the inner surface of the fixture 110 in a detachable state, a plurality of protrusion pieces 130c having an inverted structure around the upper portion of the fastening adapter 130 is formed. By doing so, separation in the opposite direction to the engagement can be prevented. The reverse lean structure may be formed in the lower portion of the fastening adapter 130 so as to be located under the opposing uneven portion (130a).

In this case, a groove part for fitting the protrusion piece 130c may be formed on the inner surface of the fixture body 110.

5 to 8 are perspective views showing various modifications of the adapter structure according to an embodiment of the present invention.

5 to 8, the fastening adapter 130 may be formed as a cylindrical tube or a polyhedron tube.

In addition, a lower connection ring 130d for connecting the plurality of pin parts 130b may be formed around the lower portion of the fastening adapter 130.

In addition, a stepped portion 130f may be further formed below the lower connection ring 130d. At this time, the stepped portion 130f is for stably guiding the coupling of the fastening adapter 130, and may form a guide groove to which the stepped portion 130f is coupled to the bottom of the fixture 110.

In addition, as shown in Figure 8 by further forming a rotation preventing projection (130g) protruding to the outer surface of the pin portion (130b) of the adapter 130 for fastening, it can be prevented from rotating.

Further, as shown in FIG. 11, the bottom portion 130e of the lower connection ring 130d is further formed, or as shown in FIG. 10, the tube diameter becomes narrower as it goes down than the upper diameter of the fastening adapter 130. You may.

The tube of the fastening adapter may extend further upwards than the reversed structure.

9 is a cross-sectional view showing an example of installing an elastic member between the fixture and the fastening adapter in the present invention.

Referring to FIG. 9, a buffer member D may be further installed between the fastening adapter 130 and the guide hole 115 of the fixture 110.

The shock absorbing member (D) is capable of deformation and restoration of the pin portion (130b) and opposing concave-convex portion (130a) of the adapter 130 for fastening when the shaft coupling portion 127 of the abutment 120 is axially coupled. The elastic support so as to absorb the shock and vibration of the implant.

10 to 12 are combined cross-sectional views showing a modification of the adapter structure of FIG.

The fastening adapter 130 as shown in the figure may be formed as a cylindrical tube or a polyhedron tube as shown in Figures 5 to 8, the lower connection ring 130d for connecting a plurality of pin portion (130b) around the bottom Can be formed.

In addition, as shown in FIG. 12, a stepped portion 130f may be further formed below the lower connection ring 130d. At this time, the stepped portion 130f is for stably guiding the coupling of the fastening adapter 130, and may form a guide groove to which the stepped portion 130f is coupled to the bottom of the fixture 110.

Further, as shown in FIG. 11, the bottom portion 130e of the lower connection ring 130d is further formed, or as shown in FIG. 10, the tube diameter becomes narrower as it goes down than the upper diameter of the fastening adapter 130. You may.

13 and 14 is a cross-sectional view showing an example of forming a rotation preventing portion in the lower end of the shaft coupling portion of the abutment according to the present invention.

Referring to FIGS. 13 and 14, a polygonal anti-rotation part 129 inserted into the fixture 110 may be formed at the bottom of the shaft coupling part 127 of the abutment 120. In this case, a polygonal anti-rotation guide 119 corresponding to the anti-rotation unit 129 may be formed on the bottom of the fixture 110.

15 is an exploded perspective view showing a separate coupling example of the body and the shaft coupling portion of the abutment of the present invention, as shown in the figure through the body 121 of the abutment 120 shaft coupling The unit 127 may be coupled.

16 is a cross-sectional view showing an example of directly screwing the upper end of the adapter for bending the fastening adapter according to the present invention, Figure 17 is a ring-shaped separation preventing means at the top of the fastening adapter and elastic member according to the present invention. Is an exploded cross-sectional view showing an example of spiral coupling to an inner surface of a guide hole of a fixture.

Referring to FIGS. 16 and 17, in order to prevent the fastening adapter 130 and the shock absorbing member D from being separated, the separation preventing means 140 may be coupled to an upper portion of the guide hole 115 of the fixture 110. have. As shown in FIG. 17, the separation preventing unit 140 may include a ring member screwed to the inner surface of the guide hole 115 of the fixture body 110 at the upper portion of the fastening adapter 130 and the buffer member D. .

A screw may be formed on the inner surface of the guide hole of the fixture to which the cover screw or mount except the abutment, the healing cap, the wrap analog, and the like may be fastened.

Referring to the operation of the present invention having the above configuration as follows.

First, the fixture body 110 is coupled to the alveolar bone (jawbone), and then, when the fixture body 110 is located in the alveolar bone, the abutment 120 is positioned at the upper end thereof. At this time, the rotation preventing portion 125 of the abutment 120 is coupled to the rotation preventing guide portion 115b of the fixture body 110 to match the position, and then, to prevent the rotation.

At this time, the shaft coupling portion 127 on the side of the abutment 120 is coupled to prevent the separation through the shaft through the fastening adapter 130.

The abutment 120 of the present invention coupled as described above may be separated by lifting in the vertical direction by applying an artificial force while being axially coupled to the fixture body 110.

At this time, by forming an acute angle portion A between the abutment 120 and the coupling portion of the upper surface of the fixture body 110, the ejection mechanism (not shown) of the lever structure is inserted into the acute angle portion A. It is possible to separate.

At this time, the acute portion (A) is to be inserted into the end of the blade made in the wedge shape of the ejection mechanism, it may be made of acute angle between 20 ~ 60 degrees.

The present invention according to the above configuration is a conventional screw type, rather than using the shaft coupling portion coupling structure, the procedure is easy, the fastening is made in the state where the abutment is seated in the correct position during the procedure, the shaft coupling An elastic member may be inserted into the incision groove 127a of the negative portion to buffer the mastication pressure as necessary, and reduce the stress generated between the fixture and the alveolar bone when the occlusal force is applied, thereby causing bone loss. By minimizing the large stress on the surface of the cortical bone, the foreign body felt by the patient is minimized, and the service life of the implant unit can be extended.

In addition, the present invention is a structure that is axially coupled in the vertical direction without using a screw fastening method, it is possible to manufacture shorter than the conventional implant unit, which is a procedure that fails to implant the long implant in the jaw forcefully It can significantly reduce the risk of damaging the nerves and cause serious sequelae, eliminating the need for bone grafts, and significantly reducing the cost of surgery by bringing about bone graft material.

In addition, the present invention can buffer the mastication pressure to obtain a better result even in patients with weak bone, and after the implant procedure, it is possible to prosthetic treatment sooner than the existing system, the present invention is a conventional implant procedure for the patient himself The physical and mental pain and the economic loss caused by the loosening of the screw method can be fundamentally prevented, and the dentist can reduce the burden of the heart due to the operation failure (re-treatment). You can build trust between them.

As the present invention having the above-described configuration and operation can be variously modified and changed by those skilled in the art using the various embodiments described above, the true technical scope of the present invention is not limited to the contents described in the detailed description of the specification, but the patent claims It should be determined by the scope.

110: fixture body
111: thread
113: drill part
115: guide hole
115a: Anti-rotation guide
119: anti-rotation guide
120: abutment
121: Body
123: groove
125: anti-rotation part
127: shaft coupling
127a: incision groove
128: irregularities
128a: stone
128b: groove
129: anti-rotation part
130: fastening adapter
130a: facing unevenness
130b: pin section
130c: protrusion
130d: bottom connection ring
130e: bottom
130f: stepped portion
130g: Anti-rotation protrusion
140: ring member
A: acute angle
D: elastic member

Claims (18)

A fixture body 110 having a guide hole 115 formed in the center of the shaft so that the lower portion is embedded in the alveolar bone and the shaft coupling portion 127 of the abutment 120 is inserted at the upper end thereof; And
And a fastening adapter (130) detachably installed in the guide hole (115) to fasten and fix the outer surface of the shaft coupling portion (127) of the abutment (120). Fixture. The implant fixture of claim 1, wherein an acute portion (A) for inserting the blade tip of the ejection mechanism is formed at the boundary of the upper end of the fixture body (110) and the abutment (120). According to claim 1, The fastening adapter 130 is arranged in the circumferential direction a plurality of pin portion 130b cut in the vertical direction, irregularities formed in the shaft coupling portion 127 of the abutment 120 An implant fixture comprising the opposite concave-convex portion (130a) corresponding to the shape of (128) formed in the pin portion (130b). The implant fixture according to claim 3, wherein the uneven portion (128) is formed by forming a band-shaped protrusion (128a) and a groove (128b) around the shaft coupling portion (127). The implant fixture of claim 3, wherein the opposing concave-convex portion (130a) comprises a protrusion projecting into the pin portion (130b). The implant fixture of claim 3, wherein a plurality of protruding pieces (130c) having an inverted structure is formed around an upper portion of the fastening adapter (130). The implant fixture of claim 3, wherein the fastening adapter (130) has a cylindrical or polyhedral tube shape. The implant fixture of claim 7, wherein the fastening adapter (130) is formed so that the diameter becomes narrower as it goes down than the upper diameter. The implant fixture of claim 3, wherein a lower connection ring (130d) connecting a plurality of pin parts (130b) is formed around the lower portion of the fastening adapter (130). 10. The implant fixture of claim 9, wherein a bottom portion (130e) is further formed in the lower connection ring (130d). 10. The implant fixture of claim 9, wherein a stepped portion (130f) is further formed below the lower connection ring (130d). 4. The implant fixture of claim 3, wherein a polygonal anti-rotation part 129 is formed at a bottom of the fixture body 110 to insert a lower end of the shaft coupling part 127 of the abutment 120. . The implant fixture of claim 3, wherein the anti-rotation protrusion (130g) is formed to protrude outward from the pin portion (130b) of the fastening adapter (130). The implant fixture of claim 3, wherein the shaft coupling portion (127) is coupled and installed to penetrate through the body (121) of the abutment (120). The implant according to any one of claims 1 to 14, wherein a cushioning member (D) is further installed between the fastening adapter 130 and the guide hole 115 of the fixture body 110. Fixture. The method of claim 15, wherein the separation preventing means 140 is installed in the upper portion of the guide hole 115 of the fixture body 110 to prevent the fastening adapter 130 and the shock absorbing member (D) is separated. Features an implant fixture. The method of claim 16, wherein the separation preventing means 140 is a ring member that is screwed to the inner surface of the guide hole 115 of the fixture body 110 on the fastening adapter 130 and the shock absorbing member (D). Features an implant fixture. The implant fixture of claim 1, wherein the fastening adapter is formed of a shape memory alloy.

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