Dentistry – Apparatus – Having absorption means or means to isolate tooth or mouth...
Patent
1996-12-23
1998-09-08
O'Connor, Cary E.
Dentistry
Apparatus
Having absorption means or means to isolate tooth or mouth...
433139, A61C 514, A61C 512
Patent
active
058037349
ABSTRACT:
The dental dam support (10) and donut (16) are comprised of a moldable, hardenable material for use as a support means for a dental clamp (14), which can prevent clamp (14) from contacting the teeth or gingiva, during anchorage of a dental dam (18). The material achieves sufficient hardness to support clamp (14) over gingiva alone, if the tooth structure is insufficient, enhances the stability of clamp (14) on the tooth or gingiva, and inhibits fluid movement past clamp (14). Softened support (10) or donut (16) material is molded over the teeth or gingiva to be clamped, clamp (14) is partly seated into the material and restrained while the material is hardened. Clamp (14) is released such that it engages the support material. Another use of support (10) is to anchor dam (18) without clamp (14). Softened support (10) is molded over teeth where anchorage is desired. Support (10) is hardened and removed from the teeth. Dam (18) is placed over the teeth, and support (10) is replaced over dam (18), thereby anchoring dam (18) to the teeth. Another use of donut (16) is to isolate an area of a tooth. Softened donut (16) is molded to cover a perimeter area about an exposed work area on the teeth, and hardened.
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