| abstract |
An improved porcelain fused to metal crown having a composite structure comprising layers of a bonding agent and ceramics and optionally a mixture of a bonding agent and ceramics and/or a mixture of ceramics and a porcelain, which are thermally sprayed around the metal crown, and a layer of fused porcelain formed on the above layers. The porcelain fused to the metal crown is useful for restoration of a defective tooth crown as an artificial tooth crown. |