Our Round Carbide Burs are popular for the preparation of conservative single surface cavities. They may also be used for interproximal cavities in anterior teeth (class III). Additional applications include gaining root canal access both anteriorly and posteriorly. Used for cavity preparation, and root canal access. Smaller sizes often used for single surface cavities, medium sizes often used for interproximal cavities in anterior teeth. For contouring and finishing restorations, root planning, bone contouring and smoothing. Used for cavity preparation and root canal access.