| 摘要 |
A dental prosthesis comprises an inner layer portion and an outer layer portion. The outer layer portion is a dental porcelain material, while the inner layer portion is a sintered product which, after sintering, is composed of: (i) 40 to 95% by weight of one or (two or) more electric conductive ceramic materials selected from the group consisting of nitride ceramics, boride ceramics and carbide ceramics, all having a specific electric resistance of 10-1 OMEGA xcm or below, and (ii) 5 to 60% by weight of the following (A) and/or (B): (A) a dental porcelain material, and (B) one or (two or) more metals selected from the group consisting of Ti, Zr, Au, Pt, Pd, Ag, In and Sn.
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