Drill tool for lifting sinus

Abstract

Disclosed is a drill tool for maxillary sinus augmentation. A drill tool for maxillary sinus augmentation according to an embodiment of the present inventive concept includes: an implant drill including a drill hole diameter expansion edge, whereby damage to a membrane of a maxillary sinus is prevented and a diameter of a drill hole is expanded when a maxillary sinus augmentation procedure is performed; and a drill housing that is detachably coupled to the implant drill and guides a drilling operation by the implant drill.

Dependencies are inferred from the claim text.