Which instrument is used to crush and remove heavy deposits from subgingival and supragingival interproximal areas?
A)Periodontal kidney-shaped knife
B)Interdental spear-point knife
C)Back-action hoe
D)Interdental file

Question

Quizplus · Accepted Answer

The interdental file is designed to crush heavy calculus from interproximal areas. The kidney-shaped periodontal knife is designed to create a bevel incision for a gingivectomy. The interdental spear-point knife is designed for interdental cutting of gingiva and removal of tissue. A back-action hoe is used to remove bone adjacent to teeth without causing trauma.

Which Instrument Is Used to Crush and Remove Heavy Deposits