Dentistry – Apparatus – Hand manipulatable implement
Patent
1981-12-11
1983-11-29
Peshock, Robert
Dentistry
Apparatus
Hand manipulatable implement
A61C 300
Patent
active
044178760
ABSTRACT:
Dental bridge or crown caps are removed by drilling a hole in the crown for inserting the end of a bolt to contact the tooth stub. The bolt is in a metal stabilizing bar member which rests in balanced and aligned position upon the cap structure and is connected thereto as a unit that moves together by means of wire or equivalent flexible means wrapped thereabout and tightened so that the bolt pressure on the tooth stub will apically lift the crown without shear stresses.
REFERENCES:
patent: 3579834 (1971-05-01), Reed
patent: 3889376 (1975-06-01), Zatkin
patent: 4187610 (1980-02-01), Ziegler
Brown Laurence R.
Peshock Robert
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