. Operative and dental anatomy technics; a class-room and laboratory manual for freshmen dental students . BCD 22 7 Fig. 70.—Kerr tapered canal , C, and D arc hand instruments. 2, 2and 7 are for the engine. Fig. 71.— Bis-touries. 62 INSTRUMENTS AND APPLIANCES lancing of abscesses and in all minor oral surgery operations(Fig. 71). (g) Scaler.—An instrument for the removal of blade is similar to the hoe and hatchet excavator. The instrument has various anglesin the shank, and is used mostlywith a pull cut (Fig. 72).Scalers are made in rights andlefts, in many different size
. Operative and dental anatomy technics; a class-room and laboratory manual for freshmen dental students . BCD 22 7 Fig. 70.—Kerr tapered canal , C, and D arc hand instruments. 2, 2and 7 are for the engine. Fig. 71.— Bis-touries. 62 INSTRUMENTS AND APPLIANCES lancing of abscesses and in all minor oral surgery operations(Fig. 71). (g) Scaler.—An instrument for the removal of blade is similar to the hoe and hatchet excavator. The instrument has various anglesin the shank, and is used mostlywith a pull cut (Fig. 72).Scalers are made in rights andlefts, in many different sizes andshapes, some for the removalof large deposits on the crownsof teeth, and others for minuteparticles at the neck and underthe gum (Fig. 73). (h) File.—An instrument designed for filing down or re-moving surplus filling material. The Black (Fig. 74), Searleand Flexo^ files (Fig. 75) are prominent examples. Rheines. Fig. 72.—S. S. White scalers.
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