Tooth loosing method for super hard gypsum alveolar bone model

A kind of alveolar bone and superhard technology, which is applied in the field of stomatology teaching model design and processing, can solve the problems of loose teeth falling out, can only be used for teaching, and cannot be reached, so as to achieve firm retention device and good simulation effect , The effect of simple process

Inactive Publication Date: 2005-03-02
WUHAN UNIV
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AI Technical Summary

Problems solved by technology

The existing loose tooth model is simply to insert plastic teeth or isolated teeth into the alveolar socket of the alveolar bone model. The loose tooth is easy to fall out of the alveolar socket, which cannot achieve "loose but no

Method used

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Examples

Experimental program
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Embodiment Construction

[0006] The method for loosening teeth on the superhard gypsum alveolar bone model, the steps are:

[0007] (1) Soak the collected isolated teeth in 10% formalin solution for 46 or 48 or 50 or 52 or 54 hours, and dry them for 24-48 hours;

[0008] (2) Prepare a mesial-distal circular hole with a diameter of 2 mm in the 1 / 3 area of ​​the root tip of the isolated tooth;

[0009] (3) The roots of loose teeth to be prepared are connected in series with stainless steel wires with a diameter of 1 mm;

[0010] (4) The isolated tooth is placed upside down in the impression;

[0011] (5) Coat the tooth root with a wax sheet, with a thickness of about 1mm;

[0012] (6) According to the ratio of water to powder: 7ml: 30g, slowly add the superanhydrite powder into tap water in a rubber bowl to prepare a paste;

[0013] (7) Pour the superhard gypsum paste into the alveolar bone silicone rubber impression, and vibrate while adding the paste to remove the air bubbles in the paste, so as no...

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Abstract

The invention discloses a super hard gypsum alveolus bone model for preparing loose tooth. 1. Sterilizing the off body tooth and drying. 2. Preparing a round hole in off body tooth apex 3. Preparing serial tooth root with stainless steel wire. 4. placing the off body tooth upside down in die. 5. Using wax sheet to coat the tooth root. 6. Mixing the gypsum with water into paste. 7. Filling gypsum paste into alveolus bone silicon rubber die. 8. Hardening at room temperature, the process is simple.

Description

technical field [0001] The invention relates to the field of design and processing of oral medicine teaching models, and more particularly relates to a method for preparing loose teeth on a superhard gypsum alveolar bone model. Background technique [0002] Tooth looseness is an important pathological feature of periodontitis, and it is the inevitable result of periodontitis developing to a certain stage. Therefore, a model without loose teeth cannot be called a true periodontal disease model. "Loose but not loose" is the basic feature of periodontal disease loose teeth. The existing loose tooth model is simply to insert plastic teeth or isolated teeth into the alveolar socket of the alveolar bone model. The loose tooth is easy to fall out of the alveolar socket, which cannot achieve "loose but not falling off" In actual application, it can only be used for teaching, but not for operation training. A method for loosening teeth on a superhard gyps...

Claims

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Application Information

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IPC IPC(8): G09B19/10G09B23/28
Inventor 向晓明邱平丽李成章李中琴
Owner WUHAN UNIV
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