Dental instrument, in particular for the preparation of occlusal occlusal surfaces

摘要

The invention relates to a dental instrument having a working region (2) and a shank (3), the working region (2) being coated with abrasive particles, in particular diamond particles or hard metal particles, comprising a rounded tip (4) with a first radius (R1). , a first concave area (5) with a second radius (R2) adjoining the tip (4), a convex area (6) with a third radius (R3) adjoining the first concave area (5) and one at the convex portion (6) adjoining second concave portion (7) having a fourth radius (R4).