| 摘要 |
The invention relates to an opaque dental ceramic for burning on a rack or implant of dental restoration at least comprising SiO<SUB>2</SUB>, Al<SUB>2</SUB>O<SUB>3</SUB>, B<SUB>2</SUB>O<SUB>3</SUB>, Na<SUB>2</SUB>O, K<SUB>2</SUB>O as well as TiO<SUB>2</SUB>. To cover the non-dental-coloured implant material sufficiently the invention provides that the opaque dental ceramic is clouded by precipitation of one or more crystalline TiO<SUB>2 </SUB>phases. |
