Dental sealants are one of the most effective ways to prevent cavities on the biting surfaces of your child’s teeth. A sealant is a plastic coating that is bonded into the dental grooves to create a smooth surface. It acts as a barrier for bacteria, food and biofilm, and helps to prevent cavities from forming. Sealants can be placed on any fully-erupted tooth that is susceptible to cavities. Sealants are recommended based on your child’s personalized risk assessment.