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US08263508B2 Phosphosilicate glass ceramic 有权
磷硅玻璃陶瓷

Phosphosilicate glass ceramic
摘要:
A phosphosilicate glass ceramic with nanoscale fluoroapatite and leucite crystals. The glass ceramic is very similar to natural tooth material in terms of its optical properties. The glass ceramic has a low linear thermal expansion coefficient and a low pressing temperature and is therefore particularly suitable for pressing on metal alloys to produce dental restoration.
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