Safe, Simple, and Speedy Crestal Approach Kit
Special Structure S-Reamer
S-reamer has special structure, so even if s-reamer touches sinus membrane directly, it's safe by 1mm.
Thin Bone Layer
During drilling, S-reamer always makes thin bone layer, so the bone layer between sinus membrane and remer makes safer surgery.
Stopper system controls drilling depth and can be mounted all instrument (Depth Gauge, Spreader, Inserter, Condensor, etc.)