What are dental sealants and how do they work?
Dental sealant are plastic biomaterial used to fill in the grooves on the chewing surfaces of the teeth.
This plastic layer will form a protective shield over the enamel of each tooth.

Who needs dental sealant?
Kids are notoriously bad brushers, they tend to ignore brushing the back teeth properly,
Therefore the American dental association recommends that kids receive dental sealants as soon as their permanent molars erupt