ROTARY TOOL FOR FORMING TOTAL DENTURE MADE OF SYNTHETIC RESIN

摘要

A dentist's rotary abrasive tool specially adapted for grinding to a correct fit the inner sublingual face of a full lower denture moulded in synthetic resin. The zone to be treated extends for about 11/2 cm. on each side of the centreline of the denture. The abrasive tool has a first annular channel which is semi-circular cross-section and has a radium of about 3.2 mm. The tool pref. has a second annular channel with depth radius of about 2.2 mm as well as a hemispheric tip of dia. about 2mm.