Apparatus and method for determining tooth mobility

Details Apparatus and method for determining tooth mobility Apparatus and method for determining tooth mobility

1975-12-15

1977-07-12

Peshock, Robert

A61C 700

Patent

active

040344762

ABSTRACT:
A dental impression tray fastened to teeth in one quadrant, supports through a semi-rigid, non-resilient member, an electric transducer having an input probe positioned against the lingual surface of a tooth. A strip chart recorder is electrically coupled to the transducer and produces a graph in response to movement of the tooth caused by externally manually applied bi-directional forces on the tooth. A special tool is employed to apply forces, being adapted not only to movement of molars, but also incisors.

REFERENCES:
patent: 916507 (1909-03-01), Van Wie
patent: 3485993 (1969-12-01), Miller
patent: 3913428 (1975-10-01), Brunson

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