Dental Rotary Instruments: Why Experienced Dentists Never Compromise on Precision
A few years ago, during a hands-on restorative workshop in Pune, a young dentist showed me a posterior composite he had just finished. The anatomy was decent. The shade was acceptable. The margins looked fine from a distance. Then we dried the tooth properly and looked again. There were tiny finishing scratches across the surface, a slightly rough cervical margin, and a dull patch where the gloss had already been lost. The dentist looked disappointed and said, “Sir, the composite was good. I followed the bonding steps. Where did it go wrong?” It hadn’t gone wrong in one dramatic moment. It had gone wrong quietly, during finishing and polishing. That is often how dental rotary instruments affect our work. Patients rarely ask which bur we used. They don’t know whether the diamond bur was fresh, whether the carbide bur was appropriate, or whether the polishing system was used in the correct sequence. But they do notice sensitivity, roughness, staining, discomfort and restorations t...