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Method for preparing glass and glass ceramic having SiO2 as main crystal phase
Method for preparing glass and glass ceramic having SiO2 as main crystal phase
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机译:制备具有SiO2作为主晶相的玻璃和玻璃陶瓷的方法
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摘要
The present invention relates to a method of preparing a glass ceramic or glass that is particularly suitable for the preparation of dental restorations that contain cerium ions and whose fluorescence properties correspond approximately to those of natural teeth. The invention is suitable for use in glass ceramics and glasses obtainable using the method according to the invention, their use as dental materials, in particular for preparing dental restorations, and in the method according to the invention Also related to a glass-forming composition. According to a preferred embodiment, the starting glass melt is formed from a glass-forming composition comprising SiO2, Li2O, optionally a nucleating agent, a cerium compound, and at least one reducing agent.
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