Which bur is utilized for finishing and adjusting resin fillings?

The bur that is utilized for finishing and adjusting resin fillings is the round bur. Round burs are designed with a rounded, bulbous tip that allows for precise removal of material and contouring in dental procedures. They are particularly effective for smoothing and finishing the surfaces of composite resin fillings, ensuring that the restoration blends seamlessly with the natural tooth structure.

Using a round bur allows the dentist or dental assistant to achieve the desired shape and polish the filling, which helps enhance the aesthetic appearance and functionality of the restoration. It's crucial in producing a smoother finish and improving the overall patient experience by minimizing any rough edges that might cause discomfort.

Other types of burs mentioned—such as football diamond burs, surgical burs, and amalgam burs—are specialized for different purposes. For instance, while football diamond burs are often used for shaping and finishing in a broader sense, they are not specifically tailored for resin adjustments. Similarly, surgical burs are primarily designed for cutting bone or tooth structure during surgical procedures, and amalgam burs are specifically used for amalgam materials, not resin. Thus, in the context of resin fillings, the round bur is the ideal choice for finishing and adjustment.