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Quantitative measurement of peri-implant bone defects using optical coherence tomography
Sulhee Kim1, Se-Ryong Kang2, Hee-Jung Park3
1Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea.
Journal of Periodontal & Implant Science
|May 18, 2018
Summary
Optical coherence tomography (OCT) can accurately visualize and measure peri-implant bone defects, offering a reliable, non-invasive method for assessing bone loss around dental implants.
Area of Science:
- Biomedical Imaging
- Dental Implantology
- Periodontology
Background:
- Peri-implant bone defects are a common complication following dental implant placement.
- Accurate assessment of these defects is crucial for treatment planning and evaluating outcomes.
- Current methods for measuring bone loss can be invasive or lack precision.
Purpose of the Study:
- To evaluate the efficacy of optical coherence tomography (OCT) in visualizing and quantifying peri-implant bone defects.
- To assess the accuracy and reliability of OCT measurements compared to traditional methods.
Main Methods:
- Dehiscence defects were surgically created in porcine mandibles, and implants were placed without flap elevation.
- Peri-implant bone defects were visualized and measured using OCT by analyzing visible implant threads.
- The reliability of OCT measurements was validated by comparing them to digital caliper measurements after flap elevation.
Main Results:
- OCT successfully visualized peri-implant bone defects, with measurements closely correlating to those obtained by digital calipers (average OCT: 5.11±1.33 mm vs. caliper: 4.88±1.28 mm).
- High intraclass correlation coefficient and Bland-Altman analysis indicated close agreement between OCT and caliper measurements.
- OCT imaging identified thin bone areas as bone loss, demonstrating its sensitivity to subtle changes.
Conclusions:
- Optical coherence tomography is a viable tool for visualizing peri-implant bone levels and identifying bone defects.
- OCT provides quantitative, non-invasive measurements of peri-implant bone loss, showing potential for clinical application.
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