Enamel Instrument Black 28

To bevel the gingival margin of a tooth during cavity preparation.Margin Trimmer N. 28 (Black’s Formula: 10-95-7-14), Distal Cavity preparation margin trimmers are used with a lateral scraping motion.The blade of the instrument must be always kept parallel to the cavity wall to remove unsupported enamel rods or roughness. FILLING INSTRUMENT WESTCOTT N.21B FILLING INSTRUMENT WESTCOTT N.21B