HOSA Dental Terminology Practice

What is the function of a sealant in dental care?

1. To cover occlusal pits and fissures

2. To fill cavities and restore tooth structure

3. To whiten teeth and remove stains

4. To prevent gum disease

The correct answer is: To cover occlusal pits and fissures

The function of a sealant in dental care is primarily to cover occlusal pits and fissures. Sealants are thin protective coatings applied to the chewing surfaces of back teeth, where food particles and plaque can easily accumulate, leading to tooth decay. By sealing these small grooves and depressions, the sealant creates a barrier that helps prevent bacteria and food particles from getting trapped, thereby reducing the risk of cavities. Sealants are particularly effective for children and teenagers who may be more prone to cavities due to developing oral hygiene habits. This preventative measure is an important aspect of maintaining dental health, complementing regular brushing and flossing routines. Other choices describe different dental procedures or treatments that serve other purposes, such as filling cavities, whitening teeth, or preventing gum disease, but they do not relate to the specific protective role that sealants play in preserving tooth integrity.