A rotary endpiece designed to be attached to a dental power tool handpiece to produce an abrasive rotation typically for polishing and smoothing natural or restorative dental materials (e.g., crown) during a dental procedure. Also referred to as a polisher, it is available in various forms (e.g., conical), sizes, and materials [e.g., silicone, rubber, metal, diamond, silicon carbide, aluminium oxide]. This is a reusable device.