JPH0430512U

JPH0430512U -

Info

Publication number: JPH0430512U
Application number: JP7144790U
Authority: JP
Priority date: 1990-07-04
Filing date: 1990-07-04
Publication date: 1992-03-11

Description

[Brief explanation of the drawing]

第１図は、歯科医院よりきた患者の歯模型の側
面図、第２図は、該歯模型の土台を平らに削つた
ところの側面図と斜視図、第３図は、土台を平ら
にした歯模型に、工具を用いて穴を開けた図、第
４図は、ダウエルピンの側面図、断面図、斜視図
、第５図は、ダウエルピンをねじ込んだ状態と、
その周辺に分離剤を塗布した状態を示す説明図、
第６図は、硬化前の石膏を入れるゴム枠の斜視図
、第７図は、悪い歯の両側に切り込みを入れた時
の状態説明図、第８図は、歯模型の悪い歯部分の
両側に切り込みを入れる工具の説明図、第９図は
、歯模型の土台部より、ダウエルピンの頭を露出
させる工具の説明図、第１０図は、工具で土台部
に凹をつくり、ダウエルピンの頭を露出させた時
の説明図、第１１図は、露出したダウエルピンの
頭を上からたたいて、悪い歯部分とダウエルピン
が一体に抜けた状態を示す説明図、第１２図は、
歯科医院からきた患者の歯模型の土台を削り、平
らにして工具で悪い歯の反対側基底面に穴を開け
、接着剤を盛り、ダウエルピンをねじ込み、キヤ
ツプをダウエルピン頭部に取り付けた状態を示す
斜視図と、側面図、第１３図は、歯模型土台に、
ダウエルピンとキヤツプが埋め込まれた状態の側
面図と、斜視図、第１４図は、歯模型の土台部分
よりキヤツプを取り出す工具の説明図、第１５図
は、歯模型土台よりキヤツプを取り出した後、凹
みからダウエルピンの頭露出させ、悪い歯部分の
両側に工具で切り込みを入れた状態説明図、第１
６図は、露出したダウエルピンの頭を上からたた
いて、悪い歯部分とダウエルピンが一体に抜けた
状態図、第１７図は、ダウエルピンの頭部にかぶ
せるキヤツプの斜視図、側面図、平面図、断面図
、である。１……歯模型、１ｂ……悪い歯、２ａ……ダウ
エルピン、５……土台、１１……キヤツプ。 Figure 1 is a side view of a tooth model of a patient who came from the dental clinic, Figure 2 is a side view and perspective view of the tooth model with its base ground flat, and Figure 3 is a side view of the tooth model with the base ground flat. Figure 4 is a side view, cross-sectional view, and perspective view of the dowel pin; Figure 5 is the state in which the dowel pin is screwed in;
An explanatory diagram showing a state in which a separating agent is applied around it,
Figure 6 is a perspective view of the rubber frame into which the plaster is placed before hardening, Figure 7 is an explanatory diagram of the condition when cuts are made on both sides of the bad tooth, and Figure 8 is the both sides of the bad tooth part of the tooth model. Figure 9 is an explanatory diagram of a tool that exposes the head of the dowel pin from the base of the tooth model. Figure 10 is an explanatory diagram of the tool that makes a recess in the base of the tooth model and exposes the head of the dowel pin. Fig. 11 is an explanatory diagram showing the exposed dowel pin when the head is struck from above, and the bad tooth part and the dowel pin are removed together.
The base of a patient's tooth model from the dental clinic is ground down, flattened, and a hole is made with a tool on the base opposite the bad tooth, adhesive is applied, a dowel pin is screwed in, and a cap is attached to the dowel pin head. The perspective view, side view, and Figure 13 show the tooth model base.
A side view and a perspective view of the dowel pin and the cap embedded, FIG. 14 is an explanatory diagram of the tool used to take out the cap from the base of the tooth model, and FIG. 15 shows the steps after taking out the cap from the tooth model base. Explanatory diagram of the state in which the head of the dowel pin is exposed from the recess and cuts are made with a tool on both sides of the bad tooth part, 1st
Figure 6 shows the exposed head of the dowel pin when the head is struck from above, and the bad tooth and dowel pin come out together. Figure 17 is a perspective view, side view, and plan view of the cap that is placed over the head of the dowel pin. , a cross-sectional view. 1...Tooth model, 1b...Bad tooth, 2a...Dowel pin, 5...Base, 11...Cap.

Claims

[Scope of Claim for Utility Model Registration] In a working model for making a prosthesis to be placed over a bad tooth, a tooth model that has the patient's tooth alignment on the front surface and is ground flat on the back surface; A dowel pin is embedded in the back of the tooth model according to the tooth to be covered, and a dowel pin with a removable cap placed on the head is buried in plaster before hardening.
A working model for making a prosthesis, characterized by having a base formed by hardening the plaster.