Dentistry – Apparatus – Jaw – cheek – lip – or tongue positioner
Patent
1978-12-26
1980-08-26
Peshock, Robert
Dentistry
Apparatus
Jaw, cheek, lip, or tongue positioner
433 31, H61C 512
Patent
active
042193311
ABSTRACT:
A dental implement is disclosed which consists of a lip and cheek depressor or retractor adapted for mounting on the shank of a dental instrument adjacent the work portion of the instrument, such as a mirrored surface. The retractor is mounted for rotation about the longitudinal axis of the shank and may be detachably affixed thereto to facilitate interchangeability of retractors of various sizes and shapes.
REFERENCES:
patent: 1246693 (1917-11-01), Wolfe
patent: 1844733 (1932-02-01), Wise
patent: 3333340 (1967-08-01), Boisvert
patent: 4024642 (1977-05-01), Zorovich
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