KR20200016124A - Cervica prosthesis with shield sheet - Google Patents

Abstract

The present invention relates to a shielding sheet-integrated cervix dentis prosthesis which enables an optimized operation to be conducted in the gum of the operation subject by forming a healing abutment for preventing contraction of the gum while the cervix dentis prosthesis is integrated with the cemented abutment member by resin in a state that the cervix dentis prosthesis is inserted into a cemented abutment member and adjusted in accordance with the gum of an operation subject; and can block in advance that the resin comes into contact with the gum or flows into a lower part of the gum by integrally including a shielding sheet sealably inserted into the cemented abutment member. A shielding sheet-integrated cervix dentis prosthesis according to an embodiment of the present invention, as a cervix dentis prosthesis which forms the healing abutment integrally coupled to the cemented abutment member to prevent contraction of the gum of the operation subject, includes: a cervix dentis prosthesis body which is manufactured into a ring shape corresponding to a cervix dentis of each of teeth, and in which a filling space of the resin is formed; and the shielding sheet of which a top edge is integrally coupled to a lower part of the cervix dentis prosthesis body to prevent the resin from being flown out to the lower side, and in the center of which a through-hole having the cemented abutment member watertightly penetrated and coupled thereto is formed.

Description

Shield sheet integrated dental neck prosthesis {CERVICA PROSTHESIS WITH SHIELD SHEET}

The present disclosure relates to a cervical prosthesis which is mounted on the cervical portion while the fixture is embedded in the alveolar bone to prevent contraction of the gum due to extraction.

Unless otherwise indicated herein, the contents described in this identification are not prior art to the claims of this application and the description in this identification is not admitted to be prior art.

In general, teeth are body tissues responsible for the chewing function that helps to digest food by crushing or grinding food. When these teeth are lost due to tooth extraction, for example, tooth decay, they cause chewing problems, so they can't chew food properly and can't digest well. do. For this reason, teeth have long been recognized as an important part of the body and play an important role in leading a healthy life.

In general, humans have a total of 32 teeth, including 16 teeth in the maxilla and 16 teeth in the mandible, and after the childish teeth are replaced with permanent teeth once in childhood, they use oral activity for a lifetime. To perform.

Since a human tooth is replaced with a permanent tooth once in childhood, when a tooth is lost, new teeth are no longer formed. Thus, a dental tooth repairs a tooth or a surrounding tissue that has been lost through prosthetic treatment.

For example, in the case of universal prostheses such as bridges, partial dentures, and dentures, there is a problem of causing inconvenience in use due to foreign matter. For this reason, dental implants have recently been in the spotlight in the event of tooth defects, which can restore almost all the same functions and appearance as natural teeth without damaging the surrounding teeth or tissues.

Dental implants are largely composed of a fixture fixed to the alveolar bone, an abutment coupled to the fixture, and a crown integrally coupled to the abutment. Fixtures correspond to artificial roots embedded in the alveolar bone, abutments serve to connect the fixtures and crowns, and crowns correspond to artificial teeth that reproduce the same shape and function as natural teeth.

On the other hand, the dental implant procedure is divided into a first procedure for embedding the fixture in the alveolar bone, and a second procedure for mounting an artificial tooth by connecting the abutment to the implanted fixture. Referring to the general procedure of the dental implant as follows.

First, by forming a groove corresponding to the fixture in the alveolar bone by drilling and tapping, fastening the mount on the upper part of the fixture, embedding the fixture and the mount in the alveolar bone using the handpiece, and then removing the mount from the fixture to the alveolar bone. Buy fixtures. The first procedure is then completed by closing the fixture by tightening a cover screw on top of the fixture. At this time, the cover screw blocks bacteria and foreign substances present in the oral cavity from entering the fixture while waiting for the bone fusion of the fixture. Bone fusion periods vary somewhat depending on the bone quality and location of the patient, but generally take 3 to 6 months.

After the fusion period has elapsed, open the gum to expose the cover screw, check the degree of bone fusion in the fixture, remove the cover screw, and fasten the healing abutment to the top of the fixture for aesthetic gum formation. And wait for 2-3 weeks. In recent years, in order to improve the complexity of the secondary procedure, a primary procedure may be used to omit the fastening and removal of the cover screw and to immediately fasten the healing abutment.

In general, when the extraction is performed for implant construction, the gum is usually contracted about 2 mm in the height direction compared to the normal gum and about 4 mm in the width direction compared to the normal gum. When the abutment and the crown are connected in a contracted state of the gum, there is a problem that food is caught in the cervical region where the gum is contracted.

In order to solve this problem, a healing abutment procedure for fixing the tissue regeneration material to the lower gum and maintaining the gum at the normal height and width is widely used.

Then, the healing abutment is removed, the impression coping is fastened to the top of the fixture for fabricating the prosthesis and the impression material is used to obtain a preliminary impression in the oral cavity and remove the impression coping. Next, the second procedure is completed by fabricating a tooth model, pore the crown, fastening the abutment on the fixture, and fixing the crown on the abutment.

As an example of a healing abutment used in such a dental implant, the Republic of Korea Patent Publication No. 10-2014-0145014 (published Dec. 22, 2014) is a main body portion coupled to the fixture placed in the alveolar bone of the missing tooth, A coupling groove provided in a lower portion of the main body, and a tool groove recessed to a predetermined depth from an upper surface thereof is formed at an upper end of the main body so that a stopper for preventing rotation of the main body may be mounted; and the coupling portion is coupled to the fixture. Compensation for the insertion error of the fixture to be placed in the alveolar bone is provided in the lower portion of the main body portion so that the central portion of the maximum flat cross-section of the main body portion is located in the central region of the neck of the missing tooth. A cervical abutment is disclosed.

In addition, the Republic of Korea Patent Publication No. 10-2013-0058410 (published on June 4, 2013) is a healing abutment inserted into the fixture for implants and having a natural tooth shape, the fixture insertion portion inserted into the fixture for the implant, the fixture It is disposed on the upper side of the insertion portion, and has a cross-sectional shape corresponding to the cervical cross-sectional shape of the natural tooth to be replaced, the gum generating unit for generating a gum shape corresponding to the cervical unit, penetrating the fixture insertion unit and the gum generating unit Disclosed is a healing abutment including a body portion having an inner through hole and a screw member inserted into the inner through hole and screwed to an implant fixture.

In addition, Korean Patent Publication No. 10-2014-0010745 (January 27, 2014) discloses a fastening part that is directionally fitted to a fixture inserted into an alveolar bone, and is integrally formed above the fastening part to correspond to the shape of a natural tooth. A cuff having an asymmetrical three-dimensional shape, a fastening screw fastened to the fixture by passing through the fastening portion and the cuff portion, and integrally formed above the cuff portion and formed in a column shape having a cross-sectional area smaller than an upper surface of the cuff portion. Disclosed is a healing abutment comprising a post portion.

 However, in the case of the above-mentioned healing abutment, the cervical prosthesis which prevents the contraction of the gum is integrally combined with the healing abutment coupled to the fixture, so that it is impossible to adjust, thereby limiting the adjustment to the shape of the subject's gum. There is a problem.

Patent Document 1: Republic of Korea Patent Publication No. 10-2014-0145014 (released Dec. 22, 2014) Patent Document 2: Republic of Korea Patent Publication No. 10-2013-0058410 (June 4, 2013 published) Patent Document 3: Republic of Korea Patent Publication No. 10-2014-0010745 (January 27, 2014 published)

As the patient is inserted into the cemented abutment member and adjusted to the subject's gum, the patient is integrated with the cemented abutment member by the resin to form a healing abutment for preventing gum contraction. The purpose of the present invention is to provide an integrated cervical prosthesis with a shielding sheet to enable an optimized procedure for the gums of the patient.

In addition, to provide a shielding sheet-integrated cervical prosthesis to prevent the resin from coming into contact with the gums or flow into the lower gums in advance as the shielding sheet is integrally fitted to the cemented abutment member.

In addition, it is not limited to the technical problems as described above, it is apparent that another technical problem may be derived from the following description.

Disclosed is a cervical prosthesis that is integrally coupled to a cemented abutment member to form a healing abutment that prevents contraction of the gums of the subject, wherein the tooth is manufactured in a ring shape corresponding to the cervical portion of each tooth and has a resin therein. Cervical prosthetic body in which the filling space is formed, and the upper edge is integrally coupled to the lower portion of the cervical prosthetic body to prevent leakage of the lower portion of the resin and the through hole through which the cemented abutment member is watertightly coupled in the center. Shielding sheet integrated tooth neck prosthesis, characterized in that it comprises a shielding sheet is formed in one embodiment.

The shield sheet-integrated cervical prosthesis according to the present disclosure is separated from the cemented abutment member and fitted to the cemented abutment member to be integrated with the cemented abutment member by resin while being adjusted to the gums of the subject. As a result, there is an advantage in that the procedure is optimized for the gums of the subject.

In addition, the shield sheet integrated cervical prosthesis according to the present disclosure has an advantage that the resin is in contact with the gum or flows into the gum lower in advance as the shield sheet is integrally provided at the lower portion of the cervical prosthesis body.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view of a shield sheet-integrated dental prosthesis according to one embodiment of the disclosed contents.
Figure 2 is a cross-sectional view of the use state of the shield sheet integrated dental prosthesis according to one embodiment of the disclosed contents.
3 to 6 is a state of use of the shield sheet integrated cervical prosthesis in which the resin is separated from the fixture after the filling hardening.

Hereinafter, with reference to the accompanying drawings looks at the configuration and effect of the shielding sheet integrated dental prosthesis according to a preferred embodiment. For reference, in the drawings, each component is omitted or schematically illustrated for convenience and clarity, and the size of each component does not reflect the actual size. In addition, the same reference numerals throughout the specification refer to the same components and reference numerals for the same components in the individual drawings will be omitted.

1 is a perspective view of a shield sheet integrated dental neck prosthesis according to an embodiment of the disclosure, Figure 2 is a cross-sectional view of the use state of the shield sheet integrated dental neck prosthesis according to an embodiment of the disclosure.

Shield sheet integrated cervical prosthesis in accordance with an embodiment of the present disclosure is integrally coupled to the cemented abutment member 5 to form a healing abutment to prevent contraction of the gum 9 of the subject. As shown in FIG. 1 and FIG. 2, the cervical prosthetic body 10 and the lower portion of the cervical prosthetic body 10 are manufactured in a ring shape corresponding to the cervical portion of each tooth, and the filling space 11 of the resin is formed therein. The upper edge is integrally coupled to the lower sheet to prevent leakage of the resin and includes a shielding sheet 20 having a through hole 21 through which the cemented abutment member 5 is hermetically penetrated.

Here, the cervical prosthetic body 10 is mounted to be located in the cervical portion corresponding to the boundary of the gum 9 and the tooth, and serves to prevent the gum 9 from contracting due to extraction. Each is manufactured in a ring shape corresponding to the enemy structure.

The filling space 11 to be filled with resin is formed inside the cervical prosthesis body 10 having a ring shape. At this time, the resin that is filled and cured into the filling space 11 connects the ring-shaped cervical prosthesis body 10 to the cemented abutment member 5 integrally, and is a photopolymerized resin that is cured by irradiating with a magnetic line. It is preferable to be filled in the filling space 11 while repeating the lamination and curing by ultraviolet irradiation.

Although the filling space 11 of the cervical prosthetic body 10 may form a space in which the resin is filled, the cervical prosthetic body 10 is adjusted with respect to the cemented abutment member 5 to fit the gum 9 of the subject. To form a flow adjustment space for mounting.

In addition, one side of the cervical prosthesis body 10, the grip 13 for the protrusion is formed. The gripping handle 13 allows the operator to easily perform the procedure while gripping the cervical prosthesis body 10 from one side, and is integrated with the cemented abutment member 5 so that the actual healing abutment is When fastened to the fixture 3, it may be removed by, for example, polishing.

The upper edge of the shielding sheet 20 is integrally coupled to the lower portion of the above-described cervical prosthesis body 10. The shielding sheet 20 prevents the resin filling into the filling space 11 of the cervical prosthesis body 10 from flowing out to the lower portion, and thus the resin is in contact with the gum 9 or fixed to the lower portion of the gum 9. Corresponding to a kind of resin barrier film which prevents flowing into the tissue regeneration material (A), it can be formed of a sheet material of Teflon material excellent in elasticity and chemical resistance.

The through hole 21 is formed in the center of the shield sheet 20. The through hole 21 is a portion through which the cemented abutment member 5 is hermetically penetrated, and the cement is adhered to the outer circumferential surface of the cemented abutment member 5 so that the resin of the upper portion does not flow out to the lower portion. It is preferable that it is formed with a diameter smaller than the tethered abutment member 5.

In addition, the shielding sheet 20 preferably has a shape that is struck more than the lower end of the cervical prosthetic body 20 so that the resin hardened portion corresponding to the shape of the gum 9 of the subject can be formed.

3 to 6 are diagrams showing the use state of the shield sheet-integrated cervical prosthesis in which the resin (B) is separated from the fixture after the filling hardening. Hereinafter, referring to the accompanying drawings, a method of using the shielding sheet integrated dental prosthesis according to one embodiment of the disclosed contents is as follows:

First, the cemented abutment member 5 is inserted into the through hole 21 of the shielding sheet 20 as shown in FIG. 1, and then connected to the fixture 3 as shown in FIG. 2. The cervical prosthesis body 10 is inserted into the gaped gum 9 and gripped to an appropriate position.

Next, as shown in FIG. 3, a resin B such as, for example, a photopolymerized resin is partially filled into the filling space 10 between the cemented abutment member 5 and the cervical prosthesis body 10. It hardens | cures by irradiation of an ultraviolet-ray, and the cemented abutment member 5 and the cervical prosthetic body 10 are integrated.

Next, as shown in FIG. 4, the integral cemented abutment member 5 and the cervical prosthetic body 10 are separated from the fixture 3, and then the lower shielding sheet 20 is removed. As shown in FIG. 2, the resin B is filled into the filling space 10 between the cemented abutment member 5 and the cervical prosthetic body 10 and cured by irradiation with ultraviolet rays. ) According to the shape of the gum (9) to complete the healing abutment (7).

The cervical prosthesis body 10 is then inserted into the gum 9 while engaging the finished healing abutment 7 to the fixture 3. At this time, the grip handle 13 can be removed by polishing.

In the case of the shield sheet-integrated cervical prosthesis according to an embodiment of the present disclosure, it is separated from the cemented abutment member 7 and fitted to the cemented abutment member 7 so as to fit the gum 9 of the subject. As it is integrated into the cemented abutment member 7 by the resin B in a controlled state, it enables a procedure optimized for the gum 9 of the subject, and a shielding sheet on the lower part of the cervical prosthesis body 10. As the 20 is integrally provided, the resin B may be blocked in contact with the gum 9 or flowing down the gum 9 in advance.

Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the embodiments described herein and the configurations shown in the drawings are merely exemplary embodiments of the present invention, and represent all of the technical ideas of the present invention. It is to be understood that there may be various equivalents and variations in place of them at the time of the present application. Therefore, the exemplary embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims rather than the detailed description, and the meaning and scope of the claims and their All changes or modifications derived from an equivalent concept should be construed as being included in the scope of the present invention.

3: fixture
5: cemented abutment member
7: healing abutment
9: gums
A: biological tissue regeneration material
B: Resin
10: Cervical Prosthesis Body
11: filling space
13: handle
20: shielding sheet
21: through hole

Claims (4)

In the cervical prosthesis that is integrally coupled to the cemented abutment member to form a healing abutment to prevent gum contraction of the subject,
Cervical prosthesis body is made of a ring shape corresponding to the cervical portion of each tooth and the filling space of the resin is formed therein; And
The upper edge is integrally coupled to the lower portion of the cervical prosthesis body to prevent the leakage of the lower portion of the resin and the center comprises a shielding sheet is formed through the through hole through which the cemented abutment member is hermetically penetrated. Shield sheet integrated dental neck prosthesis. The method according to claim 1,
The one side of the cervical prosthetic body protruding grip is formed, the grip handle is integral with the shield sheet, characterized in that the removal of the healing abutment when the locking abutment. The method according to claim 1,
The shielding sheet is integrated with the shielding sheet integrated dental prosthesis, characterized in that it has a shape that is pushed down more than the lower end of the cervical prosthetic body. The method according to claim 1,
The shielding sheet is a shield sheet integrated cervical prosthesis, characterized in that made of Teflon material.

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