Related Experiment Videos
Intra - and inter-examiner reproducibility in constant force probing
S F Wang1, K N Leknes, G J Zimmerman
1Advanced Education Program in Periodontics, School of Dentistry, Loma Linda University, CA, USA.
Journal of Clinical Periodontology
|December 1, 1995
Summary
A study comparing manual and electronic periodontal probes found that manual probes demonstrated higher intra- and inter-examiner reproducibility. Electronic probes, despite force control, showed greater variability in measurements.
Area of Science:
- Periodontology
- Dental instrumentation
- Clinical measurement reproducibility
Background:
- Accurate periodontal measurements are crucial for disease management.
- Conventional manual probes are widely used, but their reproducibility can be influenced by examiner technique.
- Electronic, force-controlled periodontal probes aim to standardize measurements and improve accuracy.
Purpose of the Study:
- To compare the intra- and inter-examiner reproducibility of a conventional manual periodontal probe versus a computer-interfaced, force-controlled electronic periodontal probe.
- To evaluate the impact of probe type on the measurement of probing depths (PD) and relative attachment levels (AL).
Main Methods:
- Two examiners assessed 1128 sites in 15 periodontal maintenance patients.
- Each site was measured twice by each examiner over 7-10 days.
- Probing depths (PD) and relative attachment levels (AL) were recorded using both probe types (electronic probe force set at 15g).
- Reproducibility was assessed based on measurements within +/- 1.0 mm.
Main Results:
- Conventional manual probes showed higher intra-examiner reproducibility (98.6% vs. 91.5% for shallow PD) and inter-examiner reproducibility (99.2% vs. 90.7% for shallow PD) compared to electronic probes.
- Reproducibility was generally higher for probing depths (PD) than attachment levels (AL).
- Electronic probes recorded slightly higher mean values (0.1-0.2 mm) and exhibited greater variability (standard deviation) than manual probes.
Conclusions:
- Intra- and inter-examiner reproducibility may not be inherently superior with electronic, force-controlled periodontal probes compared to conventional manual probes.
- The findings suggest that examiner technique and probe type can significantly influence measurement variability in periodontal assessments.
- Further research may be needed to optimize electronic probe technology for enhanced clinical measurement reliability.