Select the correct answer.
Andrea's parents take her to a routine dentist exam. After examining Andrea, the dentist applies a thin film on her healthy molars. What is this called?
O A. cavity filling
O B.
surgery
O C.
dental sealants
OD. brushing
Explanation: Dental sealants are a protective coating applied to the chewing surfaces of the back teeth to prevent cavities. They are typically used for children and teenagers as a preventive measure.
