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US 2021/0059906 A1Published application
Composition of temporary crown materials
AssigneeNational Taipei University of Technology
InventorsHsu-Wei Fang, Yuan-Min Lin, Meng-Chun Lin
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Abstract
The present invention is directed to a composition of temporary crown materials, comprising a powder reagent and a liquid reagent; wherein the powder reagent comprises PMMA and an initiator, and the liquid reagent comprises MMA, a catalyst, and a plasticizer; wherein the plasticizer is a citrate ester compound. The composition of temporary crown materials of the present invention has high hardness, high toughness, high flexural strength and excellent biocompatibility.
Claims10
A composition of a temporary crown material, comprising:
- a powder reagent and a liquid reagent;
- wherein the powder reagent comprises poly methyl methacrylate (PMMA) and an initiator;
- the liquid reagent comprises methyl methacrylate, a catalyst, and a plasticizer;
- wherein the plasticizer is a citrate ester compound.
1 more element
A method for preparing a temporary crown, comprising:
- providing poly methyl methacrylate and an initiator, which are mixed to form a powder reagent;
- providing methyl methacrylate, a catalyst, and a plasticizer, which are mixed to form a liquid reagent;
- mixing the powder reagent with the liquid reagent to obtain a mixture;
- and
- placing the mixture at room temperature, which allows the mixture to cure, thereby obtaining a temporary crown.
2 more elements
Dependencies are inferred from the claim text.