Intact Enamel Surfaces Are Not Damaged When Extrinsic Stain Removal

Multiple Choice

Intact enamel surfaces are not damaged when extrinsic stain removal is accomplished with the air polisher.However,prolonged use of air polishing on cementum and dentin can remove significant tooth structure and should be avoided.

A) Both statements are true.
B) Both statements are false.
C) The first statement is true;the second statement is false.
D) The first statement is false;the second statement is true.