Dentistry – Method or material for testing – treating – restoring – or... – Endodontic
Patent
1981-11-06
1983-08-23
Peshock, Robert
Dentistry
Method or material for testing, treating, restoring, or...
Endodontic
433136, A61C 502
Patent
active
044001606
ABSTRACT:
The invention achieves its purposes with a grommet thimble incorporating a bore sleeve which may be fitted with retainer means for a sanitary dam. When this thimble is fitted into the specially-prepared entrance portion of a root canal, the retainer means extends from the tooth for holding a dam of rubber or the like without injury to surrounding gingiva during placement of a clamp for the rubber dam. The root canal can be prepared with the sleeve and dam in place, the sleeve and dam serving to facilitate the establishment and maintenance of a sterile field of operation without creation of unnecessary lacerations on the surrounding gingiva. After completion of the desired preparation procedure, or of partial completion, a temporary plug can be removably fitted into the sleeve protection of the work done or in process. For completion of a restoration several options are available. The retainer means can be left in place and used to anchor a core with or without a post. Alternatively a post can be fastened (e.g. screwed) into the sleeve, with or without keeping the retainer means.
REFERENCES:
patent: 3704520 (1972-12-01), Weissman
patent: 4021921 (1977-05-01), Detaille
Lustig Leopold P.
Rosen Alfred H.
Lustig Leopold Paul
Peshock Robert
Rosen Alfred H.
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