| 摘要 |
A protective device for holding a dental model which is used in producing a dental prosthesis, the protective device including an arcuate tray having a substantially flat base wall with a continuous peripheral side wall upstanding therefrom so as to define a cavity chamber therein for receiving a correspondingly shaped arcuate pedestal of the dental model which can be securely seated therein. In one embodiment, the tray supports the dental model during machining of the model. In another embodiment, the tray forms part of a carrier having a cover portion which is hinged onto the tray portion so as to define therebetween a compartment for receiving the dental model. The tray can be keyed to accommodate specific keyed portions molded into the dental model.
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