A Thermal and Biological Analysis of Bone Drilling

Journal of Biomechanical Engineering
Maziar AghvamiJill Helms

Abstract

With the introduction of high-speed cutting tools, clinicians have recognized the potential for thermal damage to the material being cut. Here, we developed a mathematical model of heat transfer caused by drilling bones of different densities and validated it with respect to experimentally measured temperatures in bone. We then coupled these computational results with a biological assessment of cell death following osteotomy site preparation. Parameters under clinical control, e.g., drill diameter, rotational speed, and irrigation, along with patient-specific variables such as bone density were evaluated in order to understand their contributions to thermal damage. Predictions from our models provide insights into temperatures and thresholds that cause osteocyte death and that can ultimately compromise stability of an implant.

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Citations

Feb 6, 2019·Journal of Clinical Medicine·Chih-Hao ChenJill A Helms
Sep 29, 2019·Journal of Clinical Medicine·Holger ZipprichChristoph Ratka
Mar 19, 2020·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·Muhammad JamilQinghua Song
Aug 24, 2020·Journal of Periodontology·Benjamin R CoyacJill A Helms
Aug 30, 2020·Annals of Biomedical Engineering·Mohd Faizal Ali Akhbar, Akmal Wani Sulong
Oct 17, 2019·Journal of Tissue Engineering and Regenerative Medicine·Qiang SunJill A Helms
Nov 28, 2020·Scientific Reports·Sergio Alexandre GehrkeJuan Carlos Prados-Frutos
Mar 18, 2021·Journal of Cranio-maxillo-facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery·Martin LotzSilvio Valdec
Oct 13, 2021·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Min LiLijuan Guo

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