Dental Assistant Practice Exam

Which instrument is primarily used for smoothing and refining pits in teeth?

1. Burnisher

2. Explorer

3. Excavator

4. Scaler

The correct answer is: Burnisher

The burnisher is the instrument primarily used for smoothing and refining pits in teeth due to its specific design and functionality. Burnishers are typically made of smooth, hard materials and have a rounded end, allowing them to effectively polish and refine the surface of dental restorations and tooth structure. When used on restorative materials, they help achieve a shiny finish, which not only improves aesthetics but can also contribute to the longevity of the restoration by reducing plaque accumulation. In contrast, the explorer is designed to locate cavities and other imperfections in tooth structure, but it does not have smoothing capabilities. The excavator is primarily utilized for removing carious tissue and debris from cavities, while the scaler is meant for removing calculus and plaque from tooth surfaces, especially in periodontal care. Therefore, the burnisher’s role in enhancing the finishing process in restorative dentistry underscores its importance in achieving smooth surfaces in dental work.