| 摘要 |
A refractory die removably mountable to a base with a model die for use in producing a crown or veneer to be attached to a tooth to be restored. The model die, produced from die stone, is removably mounted to the base with a portion of the model die corresponding to the tooth to be restored being separable therefrom and used to produce the refractory die. Porcelain is placed on the refractory die to produce the crown or veneer.
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