1973-04-05
1976-02-03
Peshock, Robert
A61C 300
Patent
active
039356400
ABSTRACT:
A dental instrument comprising a metal shaft having a resilient extension at one end and a further functionally closely related instrument such as a periodontal probe or mirror at the other end. The resilient extension has two deformable surfaces which can be pressed against a tooth to test its mobility. The periodontal probe is color-coded, so that the depth to which the projection has been inserted into the gingival sulcus and any existing periodontal pocket is readily apparent to the dentist. The dental instrument can include a percussive hammer adjacent the resilient section.
REFERENCES:
patent: 532721 (1895-01-01), Dennis
patent: 2624942 (1953-01-01), Wilborn
patent: 3480003 (1969-11-01), Crites
patent: 3727314 (1973-04-01), DeAngeles
Ureteral Bougies, A.C.M.I., p. 37, American Cystoscope Makers, Inc., "Catheters and Accessories."
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