DRILL FOR EXTENDING THE ALVEOLAR BONE, CAPABLE OF REDUCING THE PAIN OF A PATIENT AND EASILY EXTENDING THE ALVEOLAR BONE

摘要

PURPOSE: A drill for extending the alveolar bone is provided to reduce the pain of a patient by omitting a hammering work by opening a gap formed in the alveolar bone.;CONSTITUTION: A drill (10) for extending the alveolar bone is used for opening the gap of the alveolar bone by being inserted into the opened gap of the alveolar bone. The drill for extending the alveolar bone comprises: a cutting part (30) which is wound in a spiral shape, is formed with a first screw thread which is spirally wound on the outer periphery, and has a cutting edge which is inserted into the gap and cuts the alveolar bone to form a hole; a screw part (20) which is integrally formed in the cutting part and includes an extension part in which a second screw thread is wound on the outer periphery in a spiral shape; and a grip part (50) which is arranged on the upper side of the screw part and is combined with a rotary tool. The diameter of the upper end is larger than the diameter of the lower end in the extension part.;COPYRIGHT KIPO 2013