KR20110001342U - Onebody solid abutment - Google Patents

Abstract

One-body solid abutment according to the present invention, the fixture is placed in the alveolar bone; And an abutment unit integrated with the fixture unit and having a fastening groove having a screw line on one surface opposite to the fixture unit.

Accordingly, the present invention can facilitate a smooth and easy implantation process due to the improved structure.

Implants, Fixtures, Abutments, Impression Pins, Crowns, Healing Caps

Description

Onebody solid abutment {Onebody solid abutment}

The present invention is a one-body solid abutment, and more particularly, relates to a one-body solid abutment in which the structural improvement is made to facilitate and facilitate the implant procedure.

In general, teeth play a role of crushing or grinding food to make digestion desired, and when a human tooth loses a tooth after being replaced with a permanent tooth once in childhood, the new tooth no longer becomes Since it does not occur, it is possible to restore the chewing function by restoring the tooth or its surrounding tissue lost through prosthetic treatment at the dentist.

Such a dental treatment method uses a universal prosthetic treatment method such as dentures because it reduces the chewing ability compared to natural teeth because it causes some damage to adjacent teeth, surrounding gums and alveolar bone tissue. This too, there was a problem that causes inconvenience and use and wearing foreign matter.

On the other hand, it is proposed to solve the problems of the universal prosthetic treatment method as described above to be able to recover almost the same function and appearance as the natural teeth without causing damage to the surrounding teeth or tissues when the tooth is missing It is an implant.

In general, the implant (Implant) refers to a substitute that recovers when the tissue of the human body is lost, it is commonly used to refer to the artificial dental implant used in the dentistry. In other words, artificial roots made of titanium without rejection reaction are planted in the alveolar bone where natural teeth have fallen out so as to replace the roots of the missing natural teeth. An advanced system is called an implant.

Here, in the case of a general dental prosthesis or denture, the surrounding teeth and bones are damaged over time, but the implant has the advantage of not damaging the surrounding dental tissue, and the same function and shape as natural teeth, but no decay occurs. As a result, semi-permanent use is possible. Recently, a lot of implant procedures have been used.

According to the structure, it is divided into a screw retaining implant and an adhesive retaining implant, and the screw retaining implant is composed of a structure for fixing an artificial tooth to an abutment, and the adhesive retaining implant is a structure for attaching an artificial tooth to an abutment as a binder. Is done.

When the implants are configured as described above, when parts such as impression pins must be separately installed in the abutment during the implantation procedure, various limitations occur because they are not easy for this process. This is emerging.

The present invention was devised to solve the above problems, and an object thereof is to provide a one-body solid abutment in which the structural improvement is made so as to smoothly and easily facilitate an implant procedure.

In order to achieve the above object, the one-body solid abutment according to the present invention includes: a fixture 10 placed in the alveolar bone; And an abutment part 20 that is integral with the fixture part 10 and has a fastening groove 22 having a thread on one surface of the fixture part 10 opposite to the fixture part 10.

In addition, the one-body solid abutment according to an embodiment of the present invention, the lower hole portion 32 is formed in the lower portion is inserted into the abutment portion 20, the upper lower hole portion 32 and A bracket 30 having an upper hole portion 34 connected to and connected to the fastening groove 22 of the abutment portion 20 to be inserted; And a head 42 and a lower portion 44, wherein the lower portion 44 has a length corresponding to a depth from the upper hole portion 34 to the fastening groove 22, and the lower portion has an upper portion of the bracket 30. A screw thread is formed on an outer circumferential surface of the abutment to be screwed into the fastening groove 22 of the abutment and coupled to the fastening groove 22, and the head 42 is seated on the upper surface of the bracket 30. Impression pin 40; It may include more.

In addition, the one-body solid abutment according to another embodiment of the present invention, the insertion hole 52 is inserted into the abutment portion 20 is formed in the lower portion, the insertion hole 52 in the upper portion A communication hole 54 connected to the fastening groove 22 of the abutment portion 20 inserted therein is formed, and the communication hole 54 includes a crown 50 having a locking jaw at a lower end thereof; And a head 62 and a lower portion 64, wherein the lower portion 64 is less than a length corresponding to the depth of the fastening groove 22 and passes through the communication hole 54 of the crown 50. A screw line is formed on an outer circumferential surface to be screwed into the fastening groove 22 of the cemented portion 20, and is coupled to the fastening groove 22, and the head 62 is caught on the engaging jaw of the communication hole 54 to move downward. Fastening member 60 is configured to be blocked; may further include.

In addition, in the one-body solid abutment according to another embodiment of the present invention, an insertion groove 72 into which the abutment portion 20 is inserted is formed, and the insertion groove 72 has a An inner circumferential surface may further include a healing cap 70 having a plurality of ribs 74 extending in the vertical direction and spaced apart from each other.

In addition, the one-body solid abutment according to another embodiment of the present invention, the abutment portion 20 has a cylindrical shape inclined to narrow toward the upper side, the head 82 and the lower portion 84 The lower portion 84 is less than a length corresponding to the depth of the fastening groove 22 of the abutment portion 20 and the screw thread is formed on the outer circumferential surface to be screwed into the fastening groove 22, the fastening groove Is coupled to (22), the head 82 is an extension support member 80 having a shape that is seated on the upper surface of the abutment portion 20 and the shape of the abutment portion 20 continues upward; It may further include.

On the other hand, it is preferable that a plurality of grooves 12 are formed on the outer peripheral surface of the upper end of the fixture 10.

One-body solid abutment according to the present invention has the following effects.

First of all, the present invention has a high rigidity by having a rigid fixing force in which the positional movement of the pulling pin to the abutment part is blocked.

In addition, since the crown to the abutment portion is configured to be detachable by the fastening member, the crown can be removed smoothly.

In addition, as the healing cap is configured to cover the abutment portion, it is possible to prevent the gums from gradually covering the abutment portion over time after surgery.

In addition, the extension support member is coupled to the abutment portion and is configured to connect the abutment portion to the upper side, whereby the length of the abutment portion may be deformed if necessary.

On the other hand, the groove allows the soft tissue of the gum to achieve a good adhesion in a shorter time to the upper end of the fixture, and further prevents the penetration of bacteria, thereby making the implant procedure smooth.

In the components of the present invention described below, the expressions in which the directions are described, such as the names of the upper and lower parts, are arbitrarily set to be easily understood based on the drawings, and the one-body solid abutment is used by the operator. The direction can be changed according to the fixed and fixed on either side of the maxillary and mandibular.

Accordingly, the expressions in which the directions are described are merely described at relative points in order to express a coupling relationship with respect to each other, and are not limited to a specific direction.

1 is a partial cutaway view showing a one-body solid abutment according to the present invention.

Referring to the drawings, the one-body solid abutment includes a fixture part 10 placed in the alveolar bone, and an abutment part 20 integrated with the fixture part 10.

The abutment part 20 has an integral structure extending to the upper side of the fixture part 10.

As described above, the abutment portion 20 is integrally formed with the fixture portion 10, whereby the fixing force of the abutment portion 20 with respect to the fixture portion 10 can be improved.

In addition, in the process of attaching the abutment portion 20 to the fixture portion 10, it is possible to reduce the risk that the abutment portion 20 may be fixed at an incorrect position in the fixture portion 10.

In addition, the abutment part 20 is formed with a fastening groove 22 having a screw thread on one surface of the opposite side of the fixture part 10.

That is, in the drawing, the upper surface of the abutment portion 20 is provided with a circular fastening groove 22 having a constant diameter about its central axis, and the fastening groove 22 has a thread such as a screw thread or a screw groove on the inner circumferential surface thereof. Is formed.

Accordingly, parts used in the implant procedure such as the impression pin 40, the crown 50, the healing cap 70, and the extension support member 80 to be described later can be easily fastened to the abutment portion 20. Can be.

Furthermore, when the parts are damaged or replaced with parts of the same type in different sizes and shapes, the parts are removed from the abutment part 20 or the other parts are smoothly installed.

2 is an exploded cross-sectional view showing a one-body solid abutment further comprising a bracket and an impression pin in the one-body solid abutment of FIG. 1 according to one embodiment of the present invention, and FIG. Coupling diagram showing a one-body solid abutment.

Referring to the drawings, the one-body solid abutment according to an embodiment of the present invention is to the fixture portion 10 and the abutment portion 20, which is a component of the one-body solid abutment of FIG. Bracket 30 is fastened to the abutment portion 20, and through the bracket 30 further includes an impression pin 40 coupled to the abutment portion 20.

The bracket 30 has a lower hole portion 32 into which the abutment portion 20 is inserted into the lower portion 44.

In addition, the bracket 30 has an upper hole portion 34 connected to the lower hole portion 32 and communicating with the fastening groove 22 of the inserted abutment portion 20.

The pulling pin 40 is divided into a head 42 and a lower portion 44. The head 42 has a larger volume laterally than the lower portion 44, and the lower portion 44 is formed to have a predetermined length downward.

At this time, the lower portion 44 is less than the length corresponding to the depth from the upper hole portion 34 to the fastening groove 22 and the lower end passes through the upper hole of the bracket 30 to be screwed into the fastening groove 22 of the abutment. Screw lines are formed on the outer circumferential surface to be coupled to the coupling groove 22.

In addition, the head 42 is seated on the upper surface of the bracket (30).

As the impression pin 40 configured as described above is screwed into the fastening groove 22 of the abutment through the upper hole of the bracket 30, the upper surface of the bracket 30 with the bracket 30 interposed therebetween. It is seated on the bracket 30 is pressed down and firmly fixed to the abutment.

Of course, at this time, the lifting pin 40 is preferably a portion of the lower portion 44, except for the lower end of the lower portion 44 is not loosely inserted into the upper hole of the bracket (30).

In the existing technology, the impression pin is fastened to the upper surface of the abutment in the same fastening method as the push button to acquire the impression, so that the impression pin is moved to the abutment part after the fastening to acquire an accurate impression. Can not.

On the contrary, the present invention has a rigid fixing force in which the positional movement of the pulling pin 40 with respect to the abutment portion 20 is blocked, so that the impression with high accuracy can be obtained.

On the other hand, it is obvious that the above-mentioned impression pin should be understood as a member utilized when acquiring the impression in the art.

4 is an exploded cross-sectional view illustrating a one-body solid abutment further including a crown and a fastening member in the one-body solid abutment of FIG. 1 according to another embodiment of the present invention, and FIG. Coupling diagram showing a one-body solid abutment.

Referring to the drawings, the one-body solid abutment according to another embodiment of the present invention is to the fixture portion 10 and the abutment portion 20 which are components of the one-body solid abutment of FIG. A crown 50 fastened to the abutment part 20 and a fastening member 60 coupled to the abutment part 20 through the crown 50 are further included.

The crown 50 has an insertion hole 52 through which the abutment portion 20 is inserted into the lower portion 44.

In addition, the crown 50 is connected to the insertion hole 52 in the upper portion is formed with a communication hole 54 in communication with the fastening groove 22 of the inserted abutment portion 20.

In addition, the communication hole 54 has a locking step in the lower end (44).

Here, the locking step has a structure in which the lower end protrudes to the inside to have a diameter smaller than the upper diameter in the communication hole 54.

The fastening member 60 is divided into a head 62 and a lower portion 64, and is formed in the shape of a bolt screw as a whole.

At this time, the lower portion 64 is less than the length corresponding to the depth of the fastening groove 22 and passed through the communication hole 54 of the crown 50 to be screwed into the fastening groove 22 of the abutment portion 20. Screw lines are formed on the outer circumferential surface and are coupled to the fastening grooves 22.

In addition, the head 62 is caught by the locking jaw of the communication hole 54, the lower movement is blocked.

That is, the head 62 has a shape larger than the diameter of the locking jaw horizontally, it is not possible to move downward by the locking jaw.

The present invention is configured as described above, while the crown 50 is seated in the abutment portion 20 and the fastening member 60 passes through the crown 50, the fastening groove 22 of the abutment portion 20 Is fastened to the crown 50 is firmly fixed to the abutment portion 20.

Of course, in this case, the fastening member 60 is preferably head portion 62 is fitted loosely in the communication hole 54 of the crown 50 to improve the fixing force.

In the prior art, by attaching the crown to the abutment with an adhesive, when the crown is damaged or for other reasons the crown needs to be replaced, the crown's high clamping force on the abutment is not smooth.

Furthermore, there is a risk that the abutment may be damaged during the stripping operation.

On the contrary, the present invention is configured such that the crown 50 to the abutment portion 20 is detachable by the fastening member 60, so that the removal of the crown 50 can be smoothly performed.

6 is an exploded cross-sectional view illustrating a one-body solid abutment further including a healing cap in the one-body solid abutment of FIG. 1 according to another embodiment of the present invention, and FIG. 7 is a circle of FIG. 6. Coupling showing body-shaped solid abutment.

Referring to the drawings, the one-body solid abutment according to another embodiment of the present invention is the fixture portion 10 and the abutment portion 20 which are components of the one-body solid abutment of FIG. On, the abutment portion 20 further includes a healing cap 70 is fastened.

The healing cap 70 is formed with an insertion groove 72 into which the abutment portion 20 is inserted into the lower portion 44.

In addition, the healing cap 70 is provided with a plurality of ribs 74 extending in the vertical direction on the inner circumferential surface of the insertion groove 72 spaced apart from each other.

Thus, the rib 74 is formed to protrude inwardly on the inner circumferential surface of the insertion groove 72 to be long in the vertical direction, so that the abutment is firmly fitted when inserted into the insertion groove 72 of the healing cap 70. Can be.

On the other hand, the healing cap 70 is preferably made of plastic and titanium.

As the healing cap 70 is configured to cover the abutment portion 20 as described above, it is possible to prevent the gum from gradually covering the abutment portion 20 over time after the operation.

8 is an exploded cross-sectional view illustrating a one-body solid abutment further including an extension support member in the one-body solid abutment of FIG. 1 according to another embodiment of the present invention, and FIG. Coupling diagram showing a one-body solid abutment.

Referring to the drawings, the one-body solid abutment according to another embodiment of the present invention is the fixture portion 10 and the abutment portion 20 which are components of the one-body solid abutment of FIG. On, the abutment portion 20 further includes an extension support member 80 is fastened.

Here, the abutment portion 20 has a circular columnar shape that is inclined to narrow toward the upper side.

The extended support member 80 is divided into a head 82 and a lower portion 84, and is formed in the shape of a bolt screw as a whole.

At this time, the lower portion 84 is less than the length corresponding to the depth of the fastening groove 22 of the abutment portion 20 and the screw thread is formed on the outer circumferential surface to be screwed into the fastening groove 22 is coupled to the fastening groove 22 do.

In addition, the head 82 has a shape that is seated on the upper surface of the abutment portion 20 and the shape of the abutment portion 20 continues upward.

As described above, the extension support member 80 is coupled to the abutment portion 20 and is configured to connect the appearance of the abutment portion 20 to the upper side, so that the length of the abutment portion 20 is increased if necessary. It can have a deforming effect.

On the other hand, as shown in the drawings of the present invention, a plurality of grooves 12 may be formed on the outer peripheral surface of the upper end of the fixture (10).

This groove 12 allows the soft tissue of the gum to achieve good adhesion within a shorter time with respect to the upper end of the fixture 10.

Further, by preventing the penetration of bacteria, the implant procedure is smooth.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Various modifications and variations are possible, of course, within the equivalent scope of the utility model claims to be described.

1 is a partial cutaway view showing a one-body solid abutment according to the present invention.

2 is an exploded cross-sectional view illustrating a one-body solid abutment further including a bracket and an impression pin in the one-body solid abutment of FIG. 1 according to one embodiment of the present invention.

3 is a coupling diagram illustrating the one-body solid abutment of FIG. 2.

4 is an exploded cross-sectional view illustrating a one-body solid abutment further including a crown and a fastening member in the one-body solid abutment of FIG. 1 according to another embodiment of the present invention.

5 is a coupling diagram illustrating the one-body solid abutment of FIG. 4.

6 is an exploded cross-sectional view showing a one-body solid abutment further comprising a healing cap in the one-body solid abutment of FIG. 1 according to another embodiment of the present invention.

7 is a coupling diagram illustrating the one-body solid abutment of FIG. 6.

8 is an exploded cross-sectional view illustrating a one-body solid abutment further including an extension support member in the one-body solid abutment of FIG. 1 according to another embodiment of the present invention.

9 is a coupling diagram illustrating the one-body solid abutment of FIG. 8.

<Explanation of symbols for the main parts of the drawings>

10: fixture 12: groove

20: abutment portion 22: fastening groove

30: bracket 40: impression pin

50: crown 60: fastening member

70: healing cap 80: extension member

Claims (6)

A fixture 10 placed in the alveolar bone; And An abutment part 20 that is integral with the fixture part 10 and has a fastening groove 22 having a screw line on one surface of the fixture part 10 opposite to the fixture part 10; One-body solid abutment, characterized in that it comprises a. The method of claim 1, The lower hole portion 32 is formed in the lower portion is inserted into the abutment portion 20, the upper and the fastening groove 22 of the abutment portion 20 is connected to the lower hole portion 32 is inserted A bracket 30 having an upper hole 34 in communication therewith; And It is divided into the head 42 and the lower portion 44, the lower portion 44 is less than the length corresponding to the depth from the upper hole portion 34 to the fastening groove 22, the lower end of the upper hole of the bracket 30 A screw thread is formed on an outer circumferential surface of the abutment to be screwed into the fastening groove 22 of the abutment, and is coupled to the fastening groove 22, and the head 42 is raised on the upper surface of the bracket 30. A pin 40;  One-body solid abutment, characterized in that it further comprises. The method of claim 1, Insertion hole 52 is formed in the lower portion is inserted into the abutment portion 20, the upper portion of the fastening groove 22 of the abutment portion 20 is connected to the insertion hole 52 and inserted Communication hole 54 is formed in communication, the communication hole 54 is the crown 50 having a locking step in the lower end; And It is divided into the head 62 and the lower portion 64, the lower portion 64 is less than the length corresponding to the depth of the fastening groove 22 and passes through the communication hole 54 of the crown 50 to the abutment A screw line is formed on an outer circumferential surface to be screwed into the fastening groove 22 of the part 20, and is coupled to the fastening groove 22. Fastening member 60 is configured to be blocked; One-body solid abutment, characterized in that it further comprises. The method of claim 1, An insertion groove 72 into which the abutment portion 20 is inserted is formed at a lower portion thereof, and an inner circumferential surface of the insertion groove 72 has a plurality of ribs 74 extending in the vertical direction and spaced apart from each other. Cap 70; One-body solid abutment, characterized in that it further comprises. The method of claim 1, The abutment portion 20 has a cylindrical shape inclined to narrow toward the upper side, It is divided into the head 82 and the lower portion 84, the lower portion 84 is less than the length corresponding to the depth of the fastening groove 22 of the abutment portion 20 and is screwed into the fastening groove 22. A screw thread is formed on an outer circumferential surface to be coupled to the fastening groove 22, and the head part 82 is seated on an upper surface of the abutment portion 20, and the shape of the abutment portion 20 continues upward. Extended support member 80 having a; One-body solid abutment, characterized in that it further comprises. 6. The method according to any one of claims 1 to 5, One-body solid abutment, characterized in that a plurality of grooves (12) is formed on the outer peripheral surface of the upper end of the fixture (10).

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