Dentistry – Method or material for testing – treating – restoring – or... – Crown
Patent
1986-07-28
1987-07-07
Peshock, Robert
Dentistry
Method or material for testing, treating, restoring, or...
Crown
A61C 508
Patent
active
046784357
ABSTRACT:
A shell for producing a temporary dental prosthesis such as a temporary dental crown includes an occlusal layer having an outer surface shaped to provide a tooth-like appearance; a buccal side connected to one edge of the occlusal layer and extending down therefrom; a lingual side connected to an opposite edge of the occlusal layer and extending down therefrom; and the shell being open along mesial and distal sides thereof.
Additionally, forming a temporary dental prosthesis, by first grinding to make a prepared tooth; using a shaped shell filled with a self-curing acrylic resin material in an unhardened state; the shaped shell is positioned over the prepared tooth such that the buccal and lingual sides thereof cover buccal and lingual sides of the prepared tooth and the respective free edges of the buccal and lingual sides of the shell are proximate to the adjacent gingival surface about the prepared tooth; the acrylic resin is permitted to set such that the acrylic resin bonds to the shell to form the temporary dental crown; the formed temporary dental crown is then removed, shaped and polished and then cemented back onto the prepared tooth.
REFERENCES:
patent: 3566469 (1971-03-01), Pelizzari
patent: 4015332 (1977-04-01), Manne
Bobis Daniel H.
Peshock Robert
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