A Posterior Sickle Is Effective in Removing Moderate Calculus Deposits

question 47

Multiple Choice

A posterior sickle is effective in removing moderate calculus deposits from the coronal surfaces of premolars and molars. A posterior sickle is a double-ended instrument that can be used on the facial, lingual, mesial, and distal surfaces of the crowns of posterior teeth.

• A)Both statements are TRUE
• B)The first statement is TRUE; the second FALSE
• C)The first statement is FALSE; the second TRUE
• D)Both statements are FALSE