Oklahoma Pit and Fissure Sealants State Practice Exam

Pits and fissures in teeth are characterized as narrow, which accurately reflects their anatomical structure. These features are small, often deep grooves or indentations found on the chewing surfaces of teeth, primarily the molars and premolars. The narrowness of these pits and fissures contributes to their vulnerability to dental caries because food particles and plaque can become trapped in these confined spaces, making them difficult to clean effectively with a toothbrush. This characteristic highlights the importance of preventive measures, such as the application of pit and fissure sealants, to protect these susceptible areas from decay.

In contrast, the other options do not accurately describe the nature of pits and fissures. For example, while pits might vary in depth, they are not typically wide or flat; instead, they are narrow in appearance. Understanding this aspect of tooth anatomy is crucial for effective dental care and treatment planning.