Journal of the Korean Association of Oral and Maxillofacial Surgeons

The Korean Association of Oral and Maxillofacial Surgeons (대한구강악안면외과학회)
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The effect of low-speed drilling without irrigation on heat generation: an experimental study

  • Oh, Ji-Hyeon (Department of Dentistry, Yonsei University Wonju College of Medicine) ;
  • Fang, Yiqin (Department of Dentistry, Yonsei University Wonju College of Medicine) ;
  • Jeong, Seung-Mi (Department of Dentistry, Yonsei University Wonju College of Medicine) ;
  • Choi, Byung-Ho (Department of Dentistry, Yonsei University Wonju College of Medicine)
  • Received : 2015.06.30
  • Accepted : 2015.10.19
  • Published : 2016.02.29
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Abstract

Objectives: In this study we evaluated heat generation during the low-speed drilling procedure without irrigation. Materials and Methods: Ten artificial bone blocks that were similar to human D1 bone were used in this study. The baseline temperature was $37.0^{\circ}C$. We drilled into 5 artificial bone blocks 60 times at the speed of 50 rpm without irrigation. As a control group, we drilled into an additional 5 artificial bone blocks 60 times at the speed of 1,500 rpm with irrigation. The temperature changes during diameter 2 mm drilling were measured using thermocouples. Results: The mean maximum temperatures during drilling were $40.9^{\circ}C$ in the test group and $39.7^{\circ}C$ in the control group. Even though a statistically significant difference existed between the two groups, the low-speed drilling did not produce overheating. Conclusion: These findings suggest that low-speed drilling without irrigation may not lead to overheating during drilling.

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References

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