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J. Clin. Med. 2019, 8(2), 170;

A Novel Osteotomy Preparation Technique to Preserve Implant Site Viability and Enhance Osteogenesis

Division of Plastic and Reconstructive Surgery, Department of Surgery, Stanford University School of Medicine, Stanford, CA 94305, USA
Craniofacial Research Center, Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University School of Medicine, Taoyuan 33305, Taiwan
Department of Clinical Pharmacology, Faculty of Medical Sciences, Kyushu University, Fukuoka 812-8582, Japan
Nobel Biocare Services AG P.O. Box, CH-8058 Zürich-Flughafen, Switzerland
Department of Prosthodontics, School of Dentistry, Johann-Wolfgang Goethe University, 60438 Frankfurt, Germany
Private Practice, Beverly Hills, CA 90210, USA
Paris Descartes-Sorbonne Paris Cité University, EA2496 Montrouge, France
Dental Medicine Department, Bretonneau Hospital, HUPNVS, AP-HP, 75018 Paris, France
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 6 January 2019 / Revised: 26 January 2019 / Accepted: 27 January 2019 / Published: 1 February 2019
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The preservation of bone viability at an osteotomy site is a critical variable for subsequent implant osseointegration. Recent biomechanical studies evaluating the consequences of site preparation led us to rethink the design of bone-cutting drills, especially those intended for implant site preparation. We present here a novel drill design that is designed to efficiently cut bone at a very low rotational velocity, obviating the need for irrigation as a coolant. The low-speed cutting produces little heat and, consequently, osteocyte viability is maintained. The lack of irrigation, coupled with the unique design of the cutting flutes, channels into the osteotomy autologous bone chips and osseous coagulum that have inherent osteogenic potential. Collectively, these features result in robust, new bone formation at rates significantly faster than those observed with conventional drilling protocols. These preclinical data have practical implications for the clinical preparation of osteotomies and alveolar bone reconstructive surgeries. View Full-Text
Keywords: osteogenesis; osteotomy; bone healing; bone chips; drilling tool design osteogenesis; osteotomy; bone healing; bone chips; drilling tool design

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Chen, C.-H.; Coyac, B.R.; Arioka, M.; Leahy, B.; Tulu, U.S.; Aghvami, M.; Holst, S.; Hoffmann, W.; Quarry, A.; Bahat, O.; Salmon, B.; Brunski, J.B.; Helms, J.A. A Novel Osteotomy Preparation Technique to Preserve Implant Site Viability and Enhance Osteogenesis. J. Clin. Med. 2019, 8, 170.

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