KR200329978Y1 - Cap for Dental Implant - Google Patents

Abstract

The present invention relates to a cap for a dental implant used in the prosthesis molding, more specifically, the cap is provided with an inner protruding portion on the inner surface of the cap or the bottom of the cap inner surface of the cap and a flange portion on the outer surface of the cap The support is provided with an anti-rotation groove or a fixing groove on the outer side thereof so that the inner protrusion of the cap is coupled to the anti-rotation groove or the fixing groove of the support, or the anti-dong groove of the cap is one-touch type at the upper edge of the fixture. To prevent the movement of the cap on the support and the rotation of the cap to prevent the impression of the patient's tooth shape, wax up or temporary prosthesis to ensure a high accuracy and convenience for the dental implant cap will be.

Description

Cap for Dental Implants {Cap for Dental Implant}

The present invention relates to a cap for a dental implant used for molding the prosthesis, more specifically, the cap is provided with an inner protruding portion on the inner surface of the cap or the bottom of the cap inner surface of the cap and a flange portion on the outer surface of the cap and The support is provided with an anti-rotation groove or a fixing groove on the outer side thereof so that the inner protrusion of the cap is coupled to the anti-rotation groove or the fixing groove of the support, or the anti-dong groove of the cap is one-touch type at the upper edge of the fixture. To prevent the movement of the cap on the support and the rotation of the cap to prevent the impression of the patient's tooth shape, wax up or temporary prosthesis to ensure a high accuracy and convenience for the dental implant cap will be.

The dental implant cap is largely divided into an impression cap, a wax-up cap, and a temporary implant prosthesis cap. The impression cap is used to obtain the impression of the subject in order to produce a work model identical to the tooth shape of the subject, and the wax-up cap is embedded in the work model as an internal structure of the prosthetic model having the same shape as the prosthesis. The temporary implant prosthesis cap is used to form a temporary prosthesis directly on the abutment portion of the temporary implant embedded in the alveolar bone of the subject without undergoing impression acquisition, work modeling, and wax-up. . Applicants also refer to the abutments, analogs, and temporary implants used herein as 'supports' for the convenience of description.

The impression cap, the wax-up cap, and the temporary implant prosthetic cap, respectively, have different purposes, but the prevention of rotation and prevention of rotation on the support is common to all caps for accurate impression, wax-up, and temporary restorations. Required.

The first object of the present invention is to provide an inner projection portion on the inner surface of the cap, the inner surface of the cap is provided with a movement preventing groove in the lower end of the cap and to form an anti-rotation groove in the longitudinal direction on the outer surface of the support, the inner projection portion is a rotation preventing groove The cap prevents rotation of the cap and the shank preventing groove is one-touch coupled to the upper edge of the fixture so that the cap is prevented from moving, ensuring high precision during impression taking, wax up and temporary prosthesis. To provide a possible cap.

The second object of the present invention is to form an inner projection part on the inner surface of the cap, a rotation preventing groove and a fixing groove in the longitudinal direction on the outer surface of the support, and the inner projection is one-touch type in the fixing groove along the rotation preventing groove Combining to prevent the movement of the cap and the rotation of the cap to provide a cap capable of securing high precision in the impression work, wax-up and the creation of temporary restorations.

The third object of the present invention is to provide an inner projection on the inner surface of the cap, the inner surface of the cap having a shank preventing groove, and to form a rotation preventing groove and a fixing groove in the longitudinal direction on the outer surface of the support, the inner projection By connecting the fixed groove along the anti-rotation groove to the upper edge of the fixture in one-touch type by preventing the shandong or rotation of the cap to raise the impression, wax-up and temporary prosthesis To provide a cap that can ensure high precision and convenience at the time.

The fourth object of the present invention, in addition to the first to third objects seen above, by forming the support abutment and spaced apart at regular intervals on the upper end of the cap to form a plurality of flanges, by causing the flange portion to be buried in the impression material It provides an additional cap that can be accurately positioned in the impression material.

The fifth object of the present invention, in addition to the first to third objects seen above, the support is a temporary implant, a plurality of flanges are formed by spaced apart at a predetermined interval on the upper end of the cap and the plurality of flanges are fixed in the temporary prosthesis It is to further provide a cap that enables to conveniently and accurately form the shape of the temporary prosthesis.

The sixth object of the present invention, in addition to the first to the third object previously seen, the support is analog, provided with a plurality of fine protrusions on the outer surface of the cap, the protrusions are easily attached material to make the prosthesis is convenient It is to provide a cap that can be accurately positioned in the prosthetic model by being fixed in the prosthetic model.

1 is an exploded perspective view of a cap, a fixture and abutment for a dental implant according to an embodiment of the present invention.

2 is a perspective view showing a state in which the fixture, abutment and the cap shown in FIG. 1 are coupled;

3A is a longitudinal cross-sectional view of the portion A of FIG.

3B is a longitudinal sectional view of the abutment shown in FIG. 3A.

3C is a longitudinal cross-sectional view of the cap shown in FIG. 3A.

Figure 4a is a longitudinal cross-sectional view of the portion A of Figure 2 showing the coupling structure of the cap, abutment and fixture for dental implant impressions according to another embodiment of the present invention.

4B is a longitudinal sectional view of the abutment shown in FIG. 4A.

4C is a longitudinal cross-sectional view of the cap shown in FIG. 4A.

Figure 5 is a longitudinal cross-sectional view of the portion A of Figure 2 showing a coupling structure of the cap and abutment for dental implant impressions according to another embodiment of the present invention.

Figure 6a is a view showing a coupling structure of the wax and the cap for the dental implant, according to another embodiment of the present invention, and the cap and analog.

Figure 6b is a view showing a coupling structure of the wax and the cap for the dental implant, according to another embodiment of the present invention, the cap and the analog.

6C is a view illustrating a coupling structure of a wax for a dental implant and a cap and an analog according to another embodiment of the present invention.

FIG. 7A illustrates a process of embedding a fixture on an alveolar bone of a subject and placing an abutment on an upper part of the fixture in order to manufacture a prosthesis suitable for the tooth shape of the subject. drawing.

FIG. 7B is a view showing a process of applying the impression material 4 to the tooth shape of the subject to obtain the impression of the subject after the procedure of FIG. 7A; FIG.

Figure 7c is a view showing the impression of the tooth shape of the subject manufactured through the process of Figure 7b.

FIG. 7D is a view showing a process of attaching a wax-up cap to the analog of the impression body of FIG. 7C; FIG.

7E is a view showing a state in which a prosthesis model is waxed up in a cap for waxing up after the process of FIG. 7C.

8A to 8C are views illustrating a cap for a temporary implant prosthesis and a coupling structure of the cap and the temporary implant according to another embodiment of the present invention.

The present invention is implemented by the embodiment having the following configuration to achieve the above object.

According to the first embodiment of the present invention, the cap of the present invention has an inner protrusion at a predetermined position of the inner surface and a shank preventing groove at the lower end of the inner surface, such that the inner protrusion is rotated in the longitudinal direction on the outer surface. It is fitted along the anti-rotation groove of the support having a prevention groove, the shank movement prevention groove is one-touch type coupled to the upper edge of the fixture supporting the support, characterized in that the movement and rotation of the cap is prevented do.

According to the second embodiment of the present invention, the cap of the present invention, the inner projection having a predetermined position on the inner surface, the inner projection, the rotation prevention groove and the rotation prevention groove formed in the longitudinal direction on the outer surface It is guided along the rotation preventing groove of the support having a fixing groove in the position is characterized in that the movement and rotation of the cap is prevented by one-touch coupling to the fixing groove.

According to the third embodiment of the present invention, the cap of the present invention has an inner projection portion at a predetermined position of the inner surface and a shank preventing groove at the lower end of the inner surface, and the inner projection portion is rotated in the longitudinal direction on the outer surface. The fixture is guided along the rotation preventing groove of the support having a fixing groove at a predetermined position of the anti-rotation groove and the anti-rotation groove, one-touch type coupled to the fixing groove, and the anti-movement groove of the cap supports the support By one-touch coupling to the upper edge portion is characterized in that the movement and rotation of the cap is prevented.

According to the fourth embodiment of the present invention, the cap of the present invention, in the second embodiment, the cap has an outwardly inclined surface at the lower end of the inner surface to the upper prosthesis seating surface of the fixture supporting the support It is characterized in that the seating.

According to a fifth embodiment of the present invention, the cap of the present invention, in the first embodiment, the cap has one or more flanges around the upper end of the outer surface and the flange is buried in the impression material and pulled up Floating together with the impression material when the impression is characterized in that the movement in the impression material is prevented.

According to a sixth embodiment of the present invention, the cap of the present invention, in the second embodiment, the cap has one or more flange portions around the upper end of its outer surface and the flange portion is buried in the impression material and pulled up Floating together with the impression material when the impression is characterized in that the movement in the impression material is prevented.

According to the seventh embodiment of the present invention, the cap of the present invention, in the third embodiment, the cap has one or more flanges around the upper end of the outer surface and the flange is buried in the impression material and pulled up Floating together with the impression material when the impression is characterized in that the movement in the impression material is prevented.

According to an eighth embodiment of the present invention, the cap of the present invention, in the first embodiment, the cap has a plurality of minute projections formed on the outer surface and the projections are embedded in the prosthetic model to the interior of the prosthetic model The structure is characterized by enabling accurate positioning.

According to a ninth embodiment of the present invention, the cap of the present invention, in the second embodiment, the cap has a plurality of minute projections formed on the outer surface and the projections are embedded in the prosthetic model to the interior of the prosthetic model The structure is characterized by enabling accurate positioning.

According to a tenth embodiment of the present invention, the cap of the present invention, in the third embodiment, the cap has a plurality of minute projections formed on the outer surface and the projections are embedded in the prosthetic model to the interior of the prosthetic model The structure is characterized by enabling accurate positioning.

According to an eleventh embodiment of the present invention, in the first embodiment, the cap of the present invention further includes a plurality of minute fine flange portions on an outer side thereof, and the plurality of flange portions are buried in the temporary prosthesis. Characterized in that the shape of the temporary prosthesis can be conveniently and accurately formed.

According to a twelfth embodiment of the present invention, the cap of the present invention, in the second embodiment, further comprises a plurality of fine flange portions on the outer surface thereof, and the plurality of flange portions are buried in the temporary prosthesis to temporarily It is characterized in that the shape of the prosthesis is conveniently and accurately formed.

According to a thirteenth embodiment of the present invention, the cap of the present invention, in the third embodiment, further includes a plurality of fine flange portions on the outer surface thereof, whereby the plurality of flange portions are buried in the temporary prosthesis and temporarily It is characterized in that the shape of the prosthesis is conveniently and accurately formed.

Applicants will now be described in detail with reference to the present embodiments with reference to the accompanying drawings.

1 is an exploded perspective view of a fixture 7, an abutment 5 and a cap 3, and FIG. 2 is a fixture 7, an abutment 5 and an impression cap shown in FIG. 1. 3) is a perspective view showing a coupled state, Figure 3a is a longitudinal sectional view of the portion A of Figure 2, Figure 3b is a longitudinal sectional view of the abutment shown in Figure 3a, Figure 3c is a longitudinal sectional view of the cap shown in Figure 3a to be. The coupling structure between the cap 3 for the impression, the cap and the abutment will be described first with reference to FIGS. 1 to 2 and 3A to 3B.

The abutment 5 is composed of a head portion 51 and the body portion 53, the head portion 510 has a longitudinal anti-rotation groove 511 on the outer surface and the body portion 53 ) Is formed with a thread 531 on its outer surface. The abutment 5 is coupled to the fixture by its body portion 53 joining the engaging hole 72 of the fixture 7 as shown in FIG. 1.

The impression cap 3 has a cylindrical shape and has a flange portion 311 at an upper portion of the outer surface 31, an inner protrusion portion 321 at a predetermined portion of the inner surface 32, and a shanghai copper at the lower end portion of the inner surface 32. It has a prevention groove 323. Although the illustrated cap 3 constitutes a cylindrical shape, the scope of the present invention is not affected by the shape of the cap, and other shapes, such as rectangular shapes, should also be interpreted as falling within the scope of the present invention.

The flange portion 311 is formed to protrude along the outer circumference of the upper end of the cap, if one or more is suitable and later buried in the impression (E) to take care of the position of the cap. The thickness of the flange portion 311 and the interval between the flange portion 311 can be arbitrarily selected by those skilled in the art.

The inner protrusion 321 has a shape protruding inwardly and is fitted into the rotation preventing groove 511 formed in the longitudinal direction on the outer surface of the head portion 51 of the abutment 5 so that the cap 3 is closed. The rotation on the butt 5 is prevented.

The shandong copper preventing groove 323 is a "<" shaped groove formed around the lower end of the inner surface is one-touch coupled to the upper edge portion 73 of the fixture (7) having a ">" shape, the top and bottom of the cap Block the move.

4A to 4C are views showing a coupling structure between the abutment cap and the dental implant impression according to another embodiment of the present invention, and FIG. 4B is a longitudinal sectional view of the abutment shown in FIG. 4A, and FIG. 4c is a longitudinal cross-sectional view of the cap shown in FIG. 4a.

As shown in FIG. 4B, the abutment 5 'is abutment of FIG. 3B except that the fixing groove 513' is additionally provided at a predetermined position of the anti-rotation groove 511 '. It has the same structure as (5). The fixing groove 513 'is preferably formed at a predetermined position of the anti-rotation groove 511', but may be formed at any position on the outer surface of the abutment 5 'that is engageable with the inner protrusion 321'. Yes is not excluded.

As shown in FIG. 4C, the cap 3 ′ has a shape corresponding to the shape of the fixing groove so that the inner protrusion 321 ′ can be coupled to the fixing groove 513 ′ by one touch. There is a difference from the inner protrusion 321 of the cap 5 of FIG. As shown in FIG. 4A, the inner protrusion 321 ′ is formed along the rotation preventing groove 511 ′ of the abutment 5 ′ when the cap 5 ′ is covered by the abutment 5 ′. After being guided, it is coupled to the fixing groove 513 'in a one-touch manner, thereby preventing movement and rotation of the cap 3'.

In addition, the cap 3 'has an outwardly inclined surface 325' at the lower end of the inner surface, and the outwardly inclined surface 325 'is seated on the upper prosthesis seating surface 71 of the fixture.

FIG. 5 is a view illustrating a coupling structure of a dental implant impression cap 3 ″ and an abutment 5 ″ according to another embodiment of the present invention.

As shown in FIG. 5, the cap 3 ″ of the present invention includes the same shank preventing groove 323 ″ as the shank blocking groove 323 of the cap 3 of FIG. It is characterized in that it has the same inner projection 321 ″ with the inner projection 321 ′ of the cap 3 ′ of FIG. 4C, and such a configuration can prevent double movement and rotation of the cap 3 ″. Has the effect.

6A to 6B are views illustrating a coupling structure of an analog wax and a cap for a dental implant wax according to another embodiment of the present invention. The wax-up cap 6, 6 ', 6 "is coated on the analog before the prosthetic model is waxed or resin-formed onto the analog 5F on the working model F and the prosthetic model C is formed by wax or resin. Caps that can be accurately positioned on the analog, fine projections (611, 611 ', 611 ") are formed on the outer surface (61, 61', 61") to serve as a support of the prosthetic model (C) Except for the inner projections, shandong prevention grooves, outwardly inclined projections (621, 621 ', 621 ") and shanghai prevention grooves (623, 623") which are the same as the above-mentioned impression caps (3,3', 3 "). The inclined surface 625 'is provided.

Applicant looks at the procedure of the impression cap 3 'and the wax-up cap 6' with reference to Figures 7a to 7e below.

As shown in FIG. 7A, the fixture 7 is embedded in the alveolar bone of the subject and the abutment 5 'is positioned on the upper portion of the fixture, and then the impression cap 3' is moved in the direction of the arrow A. It is covered with the comment 5 '. Subsequently, as shown in FIG. 7B, the impression material 4 is applied to the teeth 22 of the subject to be solidified and separated from the subject to obtain the impression of the subject, thereby completing the impression E of FIG. 7C. . The impression body E is provided with a dental cavity 20e corresponding to the tooth shape of the subject, and the impression material 4 soaks in between the flange portions 311 'of the cap 3' and solidifies. Therefore, the abutment cavity 5e corresponding to the shape of the abutment 5 'can be formed, and the impression body E reflects the exact impression of the subject. Although not shown, the analog is inserted into the abutment cavity 5e of the impression body E, and then the plaster is poured to complete the work model F shown in FIG. 7D. Here, the working model (F) is the same as the dental model of the subject. Subsequently, as shown in FIG. 7D, the wax-up cap 6 ′ has an inner projection 621 ′ coupled to the fixing groove of the analog 5 F ′ in a one-touch manner, thereby providing an analog 5 F ′ on the work model F. FIG. Is mounted on. Then, as shown in Fig. 7E, after completion of the mounting of the wax-up cap 6 ', the technician manually completes the prosthesis model C on the wax-up cap 6'. Thereafter, although not shown, the prosthesis to be implanted in the subject by an investment method using the prosthetic model C is produced.

Finally, FIGS. 8A to 8C are views illustrating a cap for a temporary implant prosthesis and a coupling structure of the cap and the temporary implant according to another embodiment of the present invention. While the caps 3, 3 ', 3 ", 6, 6', 6" described above are all used for the production of the working model F or the prosthetic model C, the cap for the temporary implant prosthesis will be described below. 8,8 ', 8 ") are used to form prosthetics directly on temporary implants (9', 9 ', 9") embedded in the alveolar bone of the subject without undergoing a work model or a prosthetic model.

As shown in Figure 8a, the temporary implant (9) is composed of a head portion 91 and the body portion 92, the head portion 91 is a rotation preventing groove 911 in the longitudinal direction on its outer surface The body portion 92 has a thread (not shown) is formed on its outer surface. The temporary implant prosthesis cap 8 has a cylindrical shape and has a flange portion 811 on the outer surface 81, an inner protrusion 821 on the center of the inner surface 82, and an upper and lower portions on the lower end of the inner surface 82. It has a movement preventing groove 823. The flange portion 811 may be formed to protrude on the entire side or part of the side along the outer periphery of the cap, and may be further formed on the whole or part of the upper surface as shown in the upper surface of the cap to increase the coupling force with the temporary prosthesis. It may be. At least one is suitable and is subsequently buried in a temporary prosthesis. The thickness of the flange portion 811 and the interval between the flange portions 811 may be arbitrarily selected by those skilled in the art. The inner protrusion 821 is fixed to the rotation preventing groove 911 formed in the longitudinal direction on the outer surface of the head portion 91 of the temporary implant 9 to prevent the cap 8 from rotating on the temporary implant 9. . The shandong preventing groove 823 is a one-touch coupling to the upper edge portion 93 having a ">" shape as a "<" shaped groove formed around the lower end of the inner surface to block the shandong of the cap.

As shown in FIG. 8B, the temporary implant 9 'is the same as the temporary implant 9 of FIG. 8A except that the fixing groove 913' is additionally provided in the anti-rotation groove 911 '. Has a configuration. The fixing groove 913 'is preferably formed at a predetermined position of the rotation preventing groove 911', but may be formed at all positions on the outer surface of the abutment 5 'to which the inner protrusion 821' is engageable. Being able is not excluded.

The cap 8 ′ of FIG. 8A has a shape corresponding to that of the fixing groove so that the inner protrusion 821 ′ may be coupled to the fixing groove 913 ′ in a one-touch manner. There is a difference from the inner protrusion 821 of (8). The inner protrusion 821 ′ is guided along the rotation preventing groove 911 ′ of the temporary implant 9 ′ when the cap 8 ′ is covered by the temporary implant 9 ′ and then into the fixing groove 913 ′. Because of the one-touch coupling, the movement and rotation of the cap 8 'is prevented.

In addition, the cap 8 'has an outwardly inclined surface 825' at the lower end of the inner surface, and the outwardly inclined surface 825 'is seated on the upper prosthesis seating surface 914' of the head portion 91 'of the temporary implant. do.

FIG. 8C is a view showing a coupling structure of the temporary implant prosthesis cap 8 ″ and the cap 8 ″ and the temporary implant 9 ″ according to another embodiment of the present invention.

As shown in FIG. 8C, the cap 8 ″ of the present invention includes the same shank prevention groove 823 ″ as the shank prevention groove 823 of the cap 8 of FIG. It is characterized in that it has the same inner protrusion 821 "as the inner protrusion 821 'of the cap 8' of FIG. 8B, and this configuration prevents double movement and rotation of the cap 8". Has the effect.

In the above, the Applicant has described various embodiments of the present invention, but these embodiments are merely one example of implementing the technical idea of the present invention, and any modifications or modifications may be made to the present invention. To be interpreted as belonging to a scope does not need to go further.

The present invention has the following effects by the above configuration.

The present invention is based on the coupling relationship between the inner projection of the cap and the anti-rotation groove of the support, the coupling relationship between the inner projection and the fixing groove of the support, and the coupling between the shank prevention groove and the upper edge of the lower end of the cap. However, the rotation can be blocked, so it is possible to obtain a high-precision impression, wax-up and temporary prosthesis.

Claims (13)

The inner projection portion at a predetermined position of the inner surface and the shank preventing groove at the lower end of the inner surface, the inner projection is fitted along the rotation preventing groove of the support having a rotation preventing groove in the longitudinal direction on the outer surface, Cap is characterized in that the shank movement preventing groove is coupled to the upper edge of the fixture supporting the support in a one-touch manner to prevent the shank movement and rotation of the cap. It has an inner projection at a predetermined position on the inner surface, the inner projection is guided along the rotation preventing groove of the support having a rotation preventing groove formed in the longitudinal direction on the outer surface and a fixing groove at a predetermined position of the rotation preventing groove. Cap, characterized in that the cap is prevented from moving and rotating the cap by being coupled to the fixing groove in one-touch type. It has an inner protrusion at a predetermined position on the inner surface and a shank preventing groove at the lower end of the inner surface, and the inner protrusion has a rotation preventing groove formed in the longitudinal direction on the outer surface and a fixing groove at a predetermined position of the rotation preventing groove. Guided along the anti-rotation groove of the support is coupled to the fixing groove in one-touch type and the shank-proof groove of the cap is coupled to the upper edge of the fixture supporting the support by one-touch type to move and rotate the cap Cap, characterized in that is prevented. The cap as claimed in claim 2, wherein the cap has an outwardly inclined surface at a lower end of the inner surface thereof and is capable of being seated on an upper prosthesis seating surface of a fixture supporting the support. The method of claim 1, wherein the cap is provided with one or more flanges around the upper end of the outer surface, the flange portion is buried in the impression material floating with the impression material when taking the impression, characterized in that the movement in the impression material is prevented Cap to say. The method of claim 2, wherein the cap is provided with one or more flanges around the upper end of the outer surface, the flange portion is buried in the impression material floating with the impression material when taking the impression, characterized in that the movement in the impression material is prevented Cap to say. 4. The cap according to claim 3, wherein the cap has one or more flanges around the upper end of the outer surface, and the flange is buried in the impression material so that the cap floats with the impression material when the impression is taken and the movement in the impression material is prevented. Cap to say. The method of claim 1, wherein the cap has a plurality of minute projections formed on the outer side of the cap and the projections are easily attached to the material to form the shape of the prosthesis is convenient and buried in the prosthetic model to enable accurate positioning of the prosthetic model Cap characterized in that. 3. The cap of claim 2, wherein a plurality of minute protrusions are formed on an outer surface of the cap, and the protrusions are conveniently attached to a material for forming the shape of the prosthesis, and are buried in the prosthetic model to enable accurate positioning of the prosthetic model. Cap characterized in that. 4. The cap of claim 3, wherein a plurality of minute protrusions are formed on an outer surface of the cap and the protrusions are easily attached to a material for forming the shape of the prosthesis, and are buried in the prosthetic model to enable accurate positioning of the prosthetic model. Cap characterized in that. The cap according to claim 1, further comprising a plurality of fine flange portions on the outer side and / or the upper side thereof, wherein the plurality of flange portions are buried in the temporary prosthesis to conveniently and accurately form the shape of the temporary prosthesis. . 3. The cap according to claim 2, further comprising a plurality of fine flange portions on the outer side and / or the upper side thereof, wherein the plurality of flange portions are buried in the temporary prosthesis to conveniently and accurately form the shape of the temporary prosthesis. . 4. The cap according to claim 3, further comprising a plurality of fine flange portions on the outer side and / or the upper side thereof, wherein the plurality of flange portions are buried in the temporary prosthesis to conveniently and accurately form the shape of the temporary prosthesis. .