Fissure sealants follow the all important model of prevention being better than a cure, and their purpose is to prevent bacteria plaque from building in the little grooves and lines in your molars, reducing the chance of tooth decay.
They are made of a flowable tooth coloured material that is placed on the biting surfaces of molars and premolars to stop bacteria from being trapped in those grooves and making it smooth and easy to keep clean.
Your teeth are polished and the tooth being sealed is isolated and dried using a dental dam. This tooth is then etched. Then, the sealant material is brushed over the tooth and cured with a light that helps it set quickly as it bonds to the tooth