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

Authors
  • Chen, Chih-Hao
  • Coyac, Benjamin R.
  • Arioka, Masaki
  • Leahy, Brian
  • Tulu, Serdar
  • Aghvami, Maziar
  • Holst, Stefan
  • Hoffmann, Waldemar
  • Quarry, Antony
  • Bahat, Oded
  • Salmon, Benjamin
  • Brunski, John B.
  • Helms, Jill A.
Publication Date
Feb 01, 2019
Source
MDPI
Keywords
Language
English
License
Green
External links

Abstract

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.

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