What is the primary purpose of dental sealants?

The primary purpose of dental sealants is to prevent caries in the pits and fissures of the teeth. Dental sealants are thin, protective coatings applied to the chewing surfaces of the back teeth (molars and premolars) where the anatomy tends to trap food particles and plaque. These areas are particularly susceptible to decay because they are difficult to clean effectively with a toothbrush.

By sealing these vulnerable surfaces, the sealant acts as a barrier, preventing bacteria and food from settling into the grooves and causing cavities. This preventive measure is especially valuable for children and adolescents, whose newly erupted teeth can benefit from the additional protection against tooth decay.

While filling cavities, whitening teeth, and strengthening tooth enamel are important aspects of dental care, they do not reflect the primary function of dental sealants. The main goal is to proactively reduce the risk of developing cavities, making option B the most accurate choice.