These thin layers of resins are placed on pits and depths of molars to prevent decay. The fact of the matter is that most of the decay starts with the pits that are present in teeth and then spread gradually to the other parts. Sealing these with the help of composite resins help prevent tooth decay.

Dental Sealants are a very effective way of preventing tooth decay and if a dentist recommends that you undertake this procedure, you ought to.