Admission Test for Dental Hygiene (ATDH) Practice 2026 - Free Dental Hygiene Practice Questions and Study Guide

The main purpose of pit and fissure sealants is to prevent cavities in vulnerable areas of teeth. Pit and fissures are natural depressions or grooves found on the chewing surfaces of the molars and premolars. These areas are prone to decay because they can trap food particles and plaque, making it difficult for individuals to clean them effectively through regular brushing. By applying a sealant, a thin protective coating is placed over these grooves, creating a barrier that seals out food particles and plaque. This helps to significantly reduce the risk of caries in these high-risk areas, promoting better oral health and reducing the likelihood of tooth decay. The application of sealants is a preventive dental measure that is particularly beneficial for children and adolescents, who may be more susceptible to cavities as they develop their oral hygiene habits.