Drill device for sinus lift
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Updated: Aug 14, 2026
Endaural Endoscopic Atticoantrotomy (Retrograde Mastoidectomy) using a Constant Suction Bone-drilling Technique
Published on: May 23, 2021
1Division of Oral and Maxillofacial Surgical Reconstruction, Department of Developmental and Reconstructive Medicine, Graduate School of Biomedical Sciences, Nagasaki University, Japan. a-kit@net.nagasaki-u.ac.jp
Abstract:
A crestal approach for implant placement in deficient alveolar ridges is presented. The set of drills allows the surgeon to lift the membrane at the floor of the maxillary sinus with a bone disc, without the risk of tearing it. The plastic and cutting drills, respectively, are set in just below the floor of the maxillary sinus. The lifting drill is then slowly inserted from the socket, until a desirable length. Implants were hydroxyapatite coated and had a 3.75-mm diameter. This invention suggests that this is a reliable and predictable technique for the prosthetic rehabilitation of the maxillary posterior regions in the presence of anatomic restrictions for implanting.
