Dentistry – Apparatus – Hand manipulatable implement
Patent
1985-03-14
1986-12-09
Peshock, Robert
Dentistry
Apparatus
Hand manipulatable implement
A61C 300
Patent
active
046278176
ABSTRACT:
An instrument for removing dental bridgework is disclosed. The instrument includes a support beam for extending into a patient's mouth over bridgework bonded therein; one or more bracing pins; and pulling means for drawings a pulling cord or cords looped beneath the bridgework in an occlusal direction towards the beam. In one structure, the bracing pin or pins have lower ends receivable by a hole or holes cut in the occlusal surface of a retainer or retainers forming part of the bridgework. In another structure, the lower end of a bracing pin has a protective footing for bracing against the exposed cusp of a tooth.
REFERENCES:
patent: 2210349 (1940-08-01), Van Beeck
patent: 4417876 (1983-11-01), Lynch
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