B - Cortical Drill EV Ø 3.7–4.2

Multiple-use with option for single-use;Cortical bone preparation drills colour-coded according to implant-abutment connection;Colour coding;Markings: diameter and drill letter;Select A- or B- Cortical Drill EV according to cortical bone thickness, A – thin cortical bone < 2 mm, B – thick cortical bone ≥ 2 mm Select A- or B- Cortical Drill EV according to cortical bone thickness;Length: one option;Used for cortical bone preparation, straight implants. Mandatory preparation of the cortical layer to reduce pressure in the bone around the implant neck.