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Updated: Jun 27, 2025
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Dynamic Navigation for Dental Implant Placement
Published on: September 13, 2022
3.7K
The precision of drill calibration for dynamic navigation
Mohammed Y Al-Jarsha1, Ashraf F Ayoub2, Mohammed M Almgran2
1Department of Oral Surgery, School of Medicine, Dentistry and Nursing, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, United Kingdom; Department of Oral and Maxillofacial Surgery, College of Dentistry, University of Baghdad, Baghdad, Iraq.
Journal of Dentistry
|May 4, 2024
Summary
Drill calibration for dynamic navigation dental implant placement shows good reproducibility but can be affected by drill length and flexibility. Clinicians must be aware of potential errors, especially with longer or flexible drills, to ensure accuracy.
Area of Science:
- Dental Implantology
- Surgical Navigation
- Medical Device Calibration
Background:
- Dynamic navigation systems enhance dental implant placement accuracy.
- Drill calibration is a critical step in these procedures.
- Understanding factors affecting calibration reproducibility is essential for improving outcomes.
Purpose of the Study:
- To quantify the reproducibility of the drill calibration process in dynamic navigation.
- To identify human factors influencing calibration precision.
- To enhance overall dental implant placement accuracy.
Main Methods:
- Six drills and four implants were calibrated by three operators using the NaviDent® system.
- Reproducibility was assessed by measuring tip position deviations from planned implant sites.
- Intra- and inter-operator reliability were evaluated, considering drill length and shape.
Main Results:
- Satisfactory inter-rater reproducibility was achieved, with tip position variability ranging from 0.3 to 3.7 mm.
- Longer drills tended to improve calibration precision.
- Calibration errors increased with long zygomatic implants using non-locking adapters and with flexible long-pointed drills.
Conclusions:
- Clinicians must recognize the inherent drill calibration error in dynamic navigation for dental and zygomatic implants.
- Consideration of drill length, flexibility, and adapter type is crucial.
- Manual stability during calibration and post-calibration accuracy checks are vital for minimizing errors.
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