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Deviations of different systems for guided implant surgery
V Laederach1, K Mukaddam1, M Payer2
1Department of Oral Surgery, Oral Radiology and Oral Medicine, School of Dentistry, University of Basel, Basel, Switzerland.
Clinical Oral Implants Research
|July 28, 2016
Summary
Clinician forces significantly impact Guided Implant Surgery (GIS) accuracy. Eccentric forces increase deviations in systems like Camlog Guide (CG) and Straumann Guided Surgery (SG), affecting implant placement precision.
Area of Science:
- Dental Implantology
- Surgical Navigation Systems
- Biomedical Engineering
Background:
- Guided Implant Surgery (GIS) enhances implant placement accuracy.
- System-specific tolerances between drills and sleeves are critical for GIS precision.
- Understanding deviation factors is essential for predictable surgical outcomes.
Purpose of the Study:
- To compare the deviation of four Guided Implant Surgery (GIS) systems.
- To evaluate the influence of centric versus eccentric drilling forces on GIS accuracy.
- To determine system-specific tolerances and their impact on surgical deviation.
Main Methods:
- Four GIS systems (Camlog Guide, Straumann Guided Surgery, SIC Guide, NobelGuide) and their sleeves were tested.
- Drilling was performed in centric and eccentric positions using metal sleeves in plexiglass.
- Axial, coronal, and apical deviations were measured using digital microscopy and software analysis.
Main Results:
- Axial deviation varied from 0° (SG) to 5.64° (CG).
- Apical deviations ranged from 0.01 mm (SIG) to 3.2 mm (NG), and coronal deviations from 0.01 mm (SIG) to 1.60 mm (NG).
- Significant angular deviations occurred with eccentric forces for all systems; CG and SG showed significant coronal/apical deviations, unlike SIG and NG.
Conclusions:
- Clinician-applied eccentric forces can significantly impact Guided Implant Surgery accuracy.
- System choice and handling are crucial for minimizing deviations during GIS.
- Further research into system-specific tolerances and force application is warranted.
