Tooth decay often begins on the chewing surfaces of the back teeth because these surfaces have deep pits and grooves that trap plaque, bacteria and food. To help prevent cavities, dental sealants are recommended.
Dental Sealants

Tooth decay often begins on the chewing surfaces of the back teeth because these surfaces have deep pits and grooves that trap plaque, bacteria and food. To help prevent cavities, dental sealants are recommended.