ALTO Surge is a versatile contra-angle for implantology and bone surgery including implant screwing, the drilling and polishing of ridge. Adaptable to any motor types with a connection according to ISO 3964 (EN 23964), it offers 2 reduction ratio (20:1 and 100:1) and an external and internal irrigation through the bur according to the Kirschner technique. The physiological serum comes direct through the bur.