.~.~ And mouth prop, tongue guard or depressor, or cheek spreader
DEFINITION
Classification: 433/93
And mouth prop, tongue guard depressor, or cheek spreader:
(under subclass 91) Apparatus wherein the nozzle is adapted to remove material from the mouth of a patient and means are provided to either (a) brace the patient's mouth in an open position, (b) protect the patient's tongue or retain the tongue at the bottom of the mouth, or (c) hold the cheek away from adjacent teeth.
SEE OR SEARCH THIS CLASS, SUBCLASS:
140, for a dental jaw, cheek, lip, or tongue positioner.