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Related Experiment Videos

Effect of drill speed on bone temperature

M B Abouzgia1, J M Symington

  • 1Department of Oral and Maxillofacial Surgery, Toronto Hospital, Canada.

International Journal of Oral and Maxillofacial Surgery
|October 1, 1996
PubMed
Summary

High-speed drilling with greater force reduces bone temperature rise during orthopedic procedures. This finding challenges previous assumptions, suggesting optimized drilling parameters for improved surgical outcomes.

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Temperature rise during drilling through bone.

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Area of Science:

  • Biomaterials Science
  • Orthopedic Surgery
  • Surgical Technology

Background:

  • Bone drilling is a critical step in orthopedic procedures.
  • Elevated temperatures during drilling can cause thermal necrosis, damaging bone tissue.
  • Optimizing drilling parameters is essential for preserving bone viability.

Purpose of the Study:

  • To investigate the effect of drilling speed and force on bone temperature rise.
  • To determine optimal drilling parameters for minimizing thermal damage in bovine cortical bone.

Main Methods:

  • Measurements of bone temperature rise during drilling of 36 bovine cortical bone specimens.
  • Utilized a surgical drill (Stryker-100) with a custom speedometer for rotational speed monitoring (20,000–100,000 rpm).
  • Applied variable constant forces (1.5–9.0 N) using a custom drill press setup.

Main Results:

  • Temperature rise and duration of elevation decreased with increased drilling speed.
  • Higher applied forces also correlated with reduced temperature rise and duration.
  • High-speed, high-force drilling demonstrated significantly lower thermal effects.

Conclusions:

  • Drilling bovine cortical bone at high speeds and with substantial force is more beneficial than previously assumed.
  • These findings suggest that optimized drilling parameters can minimize thermal damage to bone during surgery.
  • Further research may validate these parameters for clinical application in human orthopedic surgery.

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