Ceramic frame for crown
专利汇可以提供Ceramic frame for crown专利检索，专利查询，专利分析的服务。并且PURPOSE: To provide a ceramic frame for a crown in place of an alloy cast frame by setting calcium phosphate and leucite to a main crystal phase.
CONSTITUTION: When calcium phosphate and leucite are set to a main crystal phase, the coefficient of linear expansion becomes 14 to 17×10
-6 /°C and the ceramic material used in an alloy cast frame as a building-up material can be adapted. This ceramic material is white in its hue and easily colored with commercial pigment and built up as the substrate of the ceramic material as it is without using a shield material to make it possible to obtain a pref. hue. As mentioned above, the ceramic material generally used on the spot of dental treatment and a manufacturing utensil for building-up the ceramic material or baking the same can be used and a ceramic frame for a crown having the pref. coefficient of linear expansion as the substrate of the ceramic material and high mechanical strength and excellent in characteristics such as bio- compatibility, corrosion resistance or the like can be provided in place of an alloy cast frame.
COPYRIGHT: (C)1990,JPO&Japio，下面是Ceramic frame for crown专利的具体信息内容。
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