KR20120008672A

KR20120008672A - Dental implant and overdenture using it

Info

Publication number: KR20120008672A
Application number: KR1020100069593A
Authority: KR
Inventors: 공용표; 박근철
Original assignee: 공용표
Priority date: 2010-07-19
Filing date: 2010-07-19
Publication date: 2012-02-01

Abstract

PURPOSE: An artificial tooth root and a structure of an artificial tooth using the same are provided to combine a keeper and an abutment with a fixture. CONSTITUTION: An artificial tooth root comprises: a fixture(10) which is implanted in the alveolar bone; an abutment(20) which is detachably combined with the top of the fixture and on which an implant can be fixed; a keeper(30) which is combined while accepting the top of the abutment and is made of a magnetic material; and a bolt(40) which is fixed to and coupled with the fixture through the keeper and abutment and fixes the keeper and abutment on the fixture.

Description

Artificial root and denture structure using it {Dental implant and overdenture using it}

The present invention relates to an artificial tooth and a denture structure using the same, and more particularly, to an artificial tooth and a denture structure using the same to allow the implant or overdenture to be selectively placed or worn.

Implants and overdentures have become popular and various techniques are already well known.

1 is a cross-sectional view showing a denture structure composed of a conventional artificial root and overdenture.

The artificial root is implanted with the fixture 10 in the alveolar bone and the keeper 30 is coupled to the upper portion of the fixture 10.

And the overdenture 200 is formed in the shape of the gum and the magnet is embedded in the gum.

Therefore, the magnet 400 is coupled to the keeper 30 by a magnetic force so that the overdenture 200 is firmly worn on the gum.

In this case, the keeper 30 may be selected from various types having different heights and combined with the fixture 10.

Figure 2 is a cross-sectional view showing the artificial tooth root for conventional implant placement.

As shown in the artificial root for the implant, a fixture 10 is placed in the alveolar bone and an abutment (or 'butt tooth') is fastened to the upper portion of the fixture 10 by a bolt 40.

An artificial tooth (implant) is implanted in the abutment 20.

However, as shown in FIGS. 1 and 2, in order to implant or wear an implant and an overdenture in the related art, an artificial tooth had to be implanted separately.

In other words, artificial implants using fixtures and abutments were used for implants, whereas artificial roots consisting of fixtures and keeper were used for overdenture.

In addition, the longer the older people wear the overdenture, the longer the gums will fall, causing the magnet and keeper to loosen, or the overdenture will not fully adhere to the gums.

Embodiments of the present invention to provide an artificial tooth root combined with the keeper and the abutment to the fixture to selectively wear or implant the overdenture and implant.

In addition, another embodiment of the present invention is to provide a denture structure in which the magnet can move at regular intervals in the overdenture using the artificial tooth root.

According to an aspect of the invention, the fixture is placed in the alveolar bone; An abutment detachably coupled to an upper portion of the fixture and to which an artificial tooth may be coupled; A keeper coupled to receive a portion of the abutment and made of a magnetic material; And a bolt which penetrates the keeper and the abutment to the fixture and fixes the keeper and the abutment to the fixture.

In addition, the keeper may have a locking step in which the head of the bolt may be caught in the center.

In addition, the keeper may be detachably coupled to the abutment to be replaceable with a keeper having a different height.

According to another aspect of the present invention, the fixture is placed in the alveolar bone, the abutment is detachably coupled to the upper portion of the fixture and the artificial tooth can be coupled to, while receiving part of the upper portion of the abutment coupling And a keeper made of a magnetic material and including a bolt that penetrates the keeper and the abutment and is fastened to the fixture to fix the keeper and the abutment to the fixture; An overdenture worn on the gum where the artificial tooth is placed; A fixing case made of a resin material buried in the overdenser and having an elastic body at the bottom thereof; And a magnet which is accommodated in the fixed case and has one side contacting the elastic body and the other side attached to the keeper by magnetic force, and the magnet is capable of reciprocating within a predetermined interval by elasticity of the elastic body. An artificial tooth root can be provided.

Herein, the elastic body may be a plurality of elastic hairs.

Embodiments of the present invention may selectively implant the implant or wear an overdenture by providing an artificial tooth root having a structure in which the abutment and the keeper are coupled to the fixture.

In addition, according to another embodiment of the present invention, when the overdenture has a structure in which the magnet is movable at a predetermined interval, the overdenser may maintain a close contact with the gum even when the wearer's gum is down.

1 is a cross-sectional view showing a denture structure composed of a conventional artificial root and overdenture.
Figure 2 is a cross-sectional view showing the artificial tooth root for conventional implant placement.
Figure 3 is an exploded perspective view of the artificial tooth root in accordance with a preferred embodiment of the present invention.
Figure 4 is a cross-sectional view of the artificial tooth root shown in Figure 3 assembled.
Figure 5 is a cross-sectional view showing the denture structure using an artificial tooth root according to another embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. The following description and the accompanying drawings are presented for the overall understanding of the present invention, and thus the technical scope of the present invention is not limited thereto. And a detailed description of known configurations and functions that may unnecessarily obscure the subject matter of the present invention will be omitted.

Figure 3 is an exploded perspective view of the artificial tooth root according to an embodiment of the present invention, Figure 4 is a cross-sectional view of the assembled state artificial tooth root shown in FIG.

Artificial tooth root 100 according to an embodiment of the present invention may be configured to include a fixture 10, abutment 20, keeper 30, bolt 40.

First, the fixture 10 may be a screw thread formed on the outer circumferential surface as a fixture to be placed in the alveolar bone.

It forms a lower part of the artificial tooth root 100 and functions to firmly support the whole, and the thread may have a cross section such as a triangle or a square.

An upper portion of the fixture 10 may be formed with a recessed recess recessed therein, such that the abutment 20 may be partially inserted and coupled.

Next, the abutment (Abutment) is a part (pier) that can be inserted into the upper portion of the fixture 10, the artificial teeth are combined to implant the implant. That is, it is a medium means for bonding the fixture 10 and the artificial tooth.

As shown in FIG. 3, the abutment 20 may have an inverted conical shape and an upper cylindrical shape, but the present invention is not limited thereto.

In addition, a through hole is formed at the center of the abutment 20 to insert the bolt 40.

In addition, a hexagonal head may be formed at a lower end of the abutment 20 to be coupled to a hexagonal insertion groove formed in the fixture 10. Alternatively, the hexagonal head may be formed at the upper end of the fixture 10. Is formed and a hexagonal insertion groove is formed at the bottom of the abutment 20 can be coupled to each other.

Next, the upper portion of the abutment 20 is provided with a keeper 30 that is coupled to accommodate a portion of the abutment 20 therein while forming a cylindrical shape.

The keeper 30 is a magnetic material that can be attached to the magnet 400 embedded in the overdenture 200 when the overdenture is worn on the gum.

The keeper 30 may be coupled to the abutment 20 by selecting a suitable height according to the dental state of the patient among a plurality of having various heights.

In this case, as shown in FIG. 4, a hole through which the bolt 40 penetrates may be formed in the center of the keeper 30, and more preferably, the hook of the bolt 40 is caught in the center of the hole. The jaw 32 can be formed.

In addition, the keeper 30 may be detachably coupled to the abutment 20.

Next, the bolt 40 fastens and fixes the keeper 30 and the abutment 20 to the fixture 10 at the same time. As shown in FIG. 4, the keeper 30 and the abutment are fixed. It can be inserted into and fastened through the fixture 20 to the inside of the fixture 10.

The head of the bolt 40 may be stopped by being caught by the locking jaw 32 and may be embedded in the keeper 30.

The artificial tooth root 100 having such a structure may be attached in the state in which the keeper 30 is coupled when the overdenture 200 is worn on the gum. If the artificial tooth is to be implanted, the keeper 30 is separated. The artificial tooth may be implanted in the state in which only the abutment 20 is fixed with the bolt 40.

Hereinafter, another embodiment of the present invention will be described with reference to FIG. 5. 5 is a cross-sectional view showing a denture structure using an artificial tooth root according to another embodiment of the present invention.

The denture structure using an artificial tooth root according to another embodiment of the present invention may be composed of an artificial tooth root 100, an overdenture 200, a fixed case 300, and a magnet 400.

The artificial tooth root 100 is composed of a fixture 10, the abutment 20, the keeper 30, the bolt 40, and the description is omitted because it is almost the same as described above.

The overdenture 200 is worn on the gum in which the plurality of artificial roots 100 are placed, as shown, to cover the gum (). Artificial teeth are fixed at the top.

A fixing case 300 made of a resin material is embedded in the overdenture 200, that is, a portion in contact with the artificial tooth 100.

The fixing case 300 may have a cylindrical shape so as to accommodate a magnet thereinto, and an elastic body 310 may be formed at the bottom of the fixing case 300.

The elastic body 310 may be any one having an elastic material, and preferably made of a plurality of elastic hairs such as bristles.

The magnet 400 is accommodated in the fixed case 300. As shown in the drawing, one side of the magnet 400 contacts the elastic body 310 and the other side of the magnet 400 contacts the keeper 30.

In this case, the magnet 400 is not completely fixed but is movable in the fixing case 300. That is, as the elastic body 310 is compressed by an external force, the magnet 400 may enter the inside of the fixed case 300. When the external force is removed, a part of the magnet is moved to the outside by the restoring force of the elastic body 310. It is a structure that can protrude.

This is because the magnet 400 is supported by the elastic body 310 can be reciprocated at regular intervals even if the wearer's gums are set down, so that the overdenture 200 can be maintained in close contact with the gums.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art, various modifications of the present invention within the scope of the claims without departing from the spirit and scope of the present invention And can be changed.

10: fixture 20: abutment
30: Keeper 32: Hanging jaw
40: bolt
100: artificial tooth 200: overdenture
300: fixed case 310: elastic body
400: Magnet

Claims

Fixture 10 is placed in the alveolar bone;
An abutment 20 detachably coupled to an upper portion of the fixture 10 and to which an artificial tooth may be coupled;
A keeper 30 coupled to accommodate a portion of the abutment 20 and made of a magnetic material; And
A bolt 40 which penetrates the keeper 30 and the abutment 20 and is fastened to the fixture 10 to fix the keeper 30 and the abutment 20 to the fixture 10. Artificial tooth root, characterized in that it comprises a.

The method of claim 1,
The keeper 30,
Artificial tooth root, characterized in that the locking jaw (32) is formed in the center can take the head of the bolt (40).

The method of claim 1,
The keeper 30 is artificial tooth root, characterized in that detachably coupled to the abutment (20) to be replaceable with a keeper having a different height.

Fixture 10 placed in the alveolar bone, abutment 20 detachably coupled to the upper portion of the fixture 10, the artificial tooth can be coupled, and the upper portion of the abutment 20 The keeper 30 and the keeper 30 made of a magnetic material and penetrate through the keeper 30 and the abutment 20 are fastened to the fixture 10 by being partially accommodated, and the keeper 30 and the abutment 20. Artificial tooth root (100) comprising a bolt (40) for fixing the fixture (10);
An overdenture 200 worn on the gum in which the artificial tooth root 100 is placed;
A fixed case 300 formed of a resin material fixed in the interior of the overdenture 200 and having an elastic body 310 at the bottom thereof; And
One side is in contact with the elastic body 310 and the other side is a magnet 400 is attached to the keeper 30 by a magnetic force while being accommodated in the fixed case 300;
Denture structure using an artificial tooth root, characterized in that the magnet 400 is reciprocating within a predetermined interval by the elasticity of the elastic body (310).

The method of claim 4, wherein
The elastic body 310 is a denture structure using an artificial tooth root, characterized in that a plurality of elastic hair (彈性毛).