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Preparation method of model tooth composite ceramic material for teaching

A technology of composite ceramics and models, which is applied in the field of model teeth materials, can solve the problems of unsightly aesthetics of teaching model teeth, small number of isolated real teeth, and large hardness differences, achieving controllable hardness and strength, low price, and high performance. similar effect

Active Publication Date: 2022-07-22
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the number of isolated real teeth is small, and the commonly used simulated resin teeth and plaster teeth have a large difference in hardness from the tooth tissue.
At present, the ceramic materials commonly used in the manufacture of artificial dental implants and restorations have high requirements for aesthetics and biocompatibility, and are expensive. Considering that model teeth for teaching do not have requirements for aesthetics and biocompatibility, a cost Inexpensive, teaching model teeth that are close to real teeth in terms of strength and abrasion during grinding need to be developed

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] In the step (1), corundum powder and coke gemstone powder are used as aggregates, and magnesium oxide and calcium oxide powders are used as sintering aids. The materials are weighed in appropriate proportions and fully mixed. The steps are as follows:

[0026] 1) the granularity is 400 mesh corundum powder, the granularity is 500 mesh coke gemstone powder, the granularity is 400 mesh magnesium oxide and calcium oxide powder according to 80:20:2:1 weight ratio weighing material;

[0027] 2) Add the powder together into the ball mill, and dry it with a planetary ball mill for 100 minutes to take it out.

[0028] In the step (2), the coke gemstone powder is used as the aggregate, and the magnesium oxide and calcium oxide powder sintering aids are weighed in an appropriate proportion and fully mixed, and the steps are as follows:

[0029] 1) the granularity is 500 purpose coke gemstone powder, granularity is 400 purpose magnesium oxide and calcium oxide powder by weight rat...

Embodiment 2

[0044] In the step (1), corundum powder and coke gemstone powder are used as aggregates, and magnesium oxide and calcium oxide powders are used as sintering aids. The materials are weighed in appropriate proportions and fully mixed. The steps are as follows:

[0045] 1) the granularity is 600 purpose corundum powder, the granularity is 600 purpose coke gemstone powder, the granularity is 600 purpose magnesium oxide and calcium oxide powder according to 85:15:1:2 weight ratio weighing material;

[0046] 2) Add the powder together into the ball mill jar, dry it with a planetary ball mill for 95 minutes and take it out.

[0047] In the step (2), the coke gemstone powder is used as the aggregate, and the magnesium oxide and calcium oxide powder sintering aids are weighed in an appropriate proportion, and the steps are as follows:

[0048] 1) Weigh the coke gemstone powder with a particle size of 600 meshes, and the magnesium oxide and calcium oxide powders with a particle size of ...

Embodiment 3

[0063] In the step (1), corundum powder and coke gemstone powder are used as aggregates, and magnesium oxide and calcium oxide powders are used as sintering aids. The materials are weighed in appropriate proportions and fully mixed. The steps are as follows:

[0064] 1) weighing 325 mesh corundum powder, 325 mesh coke gemstone powder, 325 mesh magnesium oxide and calcium oxide powder at 75:25:2:1;

[0065] 2) Add the powder together into the ball mill jar, dry it with a planetary ball mill for 120 minutes and take it out.

[0066] In the step (2), the coke gemstone powder is used as the aggregate, and the magnesium oxide and calcium oxide powder sintering aids are weighed in an appropriate proportion, and the steps are as follows:

[0067] 1) weighing 200 meshes of coke gemstone powder and 325 meshes of magnesium oxide and calcium oxide powder at 100:2:1;

[0068] 2) Add the powder together into the ball mill jar, dry it with a planetary ball mill for 120 minutes and take it ...

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Abstract

The invention discloses a preparation method of a model tooth composite ceramic material for teaching, which comprises the following steps: mixing corundum and flint clay powder aggregate with a certain granularity with a sintering aid magnesium oxide and calcium oxide powder according to a certain proportion to serve as a model tooth outer layer ceramic raw material; the preparation method comprises the following steps: mixing flint clay powder aggregate with a certain particle size and sintering aid magnesium oxide and calcium oxide powder according to a certain proportion, taking the mixture as a model tooth internal ceramic raw material, carrying out mold pressing under a certain pressure to form a powder blank, and carrying out sintering molding at a certain temperature for a certain time to obtain the model tooth composite ceramic material for teaching. The model tooth is used for tooth grinding practice of oral medical students. The model tooth is rich in material source, low in preparation cost, similar to a true tooth in structure, similar to enamel in outer layer thickness, hardness and strength, similar to dentin in inner layer hardness and strength and similar to true tooth grinding in tooth grinding feeling, and is suitable for being used as a model tooth consumable for tooth grinding practice in teaching in the department of stomatology.

Description

technical field [0001] The invention belongs to the technical field of model tooth materials, and in particular relates to a preparation method of a model tooth composite ceramic material for teaching. Background technique [0002] With the improvement of people's living standards and the prolongation of the average life expectancy of the population, people's attention to dental health and aesthetics has continued to increase. The number of patients seeking medical treatment due to tooth defects or aesthetic needs has increased significantly, and the number of registered dental practitioners has also increased year by year. Stomatology is highly operable, and the doctor's operation level directly affects the patient's medical experience, as well as work efficiency, medical quality and accident risk. Therefore, doctors need to undergo a large number of model teeth grinding and other training before clinical operations. In order to improve the quality and operation skills of s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/10C04B35/622C04B35/64G09B23/28
CPCC04B35/10C04B35/622C04B35/64G09B23/283C04B2235/3206C04B2235/3208C04B2235/3463C04B2235/6567C04B2235/96Y02P40/60
Inventor 盛晓波宫文艺储成林戴挺
Owner SOUTHEAST UNIV
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