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Variability in the quantification of abrasion on the Bruxcore device
G Isacsson1, L Bodin, A Seldén
1Orofacial Pain Clinic, Postgraduate Dental Education Center, Orebro, Sweden.
Journal of Orofacial Pain
|January 1, 1996
Summary
Measuring dental abrasion with the Bruxcore device showed small intraobserver error but significant interobserver variation. A computer-aided system proved superior for accurate bruxism monitoring.
Area of Science:
- Dental Science
- Biomaterials Science
- Clinical Measurement
Background:
- Quantifying dental surface abrasion is challenging clinically.
- The Bruxcore bruxism monitoring device offers a quantifiable method.
- Understanding measurement variability is crucial for reliable clinical data.
Purpose of the Study:
- To assess interobserver and intraobserver variability of the Bruxcore system.
- To compare different reading methods for Bruxcore measurements.
- To determine the most reliable method for analyzing Bruxcore data.
Main Methods:
- Fifteen volunteers used custom Bruxcore devices for 4 nights, repeated after 6 weeks.
- Two observers measured abraded areas on 30 devices on two separate occasions.
- Measurements were taken using a microscope (with/without scale) and a computer-aided system.
Main Results:
- Intraobserver variation was low (5%).
- Interobserver variation was statistically significant across all three methods.
- The computer-aided system demonstrated superior accuracy and stability compared to microscopy.
Conclusions:
- A computer-aided method with a trained observer minimizes measurement errors for the Bruxcore device.
- Interobserver variability remains a factor, especially with traditional microscopy.
- The computer-aided system offers a more stable and reliable approach to bruxism monitoring data analysis.