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Validation of enamel erosion in vitro
Victoria Elton1, Lee Cooper, Susan Mary Higham
1Liverpool University Dental Hospital, Pembroke Place, United Kingdom. victoria.elton@man.ac.uk
Journal of Dentistry
|February 25, 2009
Summary
Surface profilometry accurately quantifies dental erosion depth compared to the gold standard. Quantitative light-induced fluorescence (QLF) shows weaker correlation for erosion depth but is useful for subsurface mineral loss measurement.
Area of Science:
- Dental research
- Biomaterials science
- Diagnostic technologies
Background:
- Dental erosion quantification methods have limitations.
- Validating new techniques against the gold standard is crucial.
Purpose of the Study:
- To validate quantitative light-induced fluorescence (QLF) and non-contacting surface profilometry against transverse microradiography (TMR) for in vitro dental erosion quantification.
Main Methods:
- In vitro study using 60 bovine incisors.
- Enamel erosion induced by acidic solution.
- Lesion quantification using QLF, profilometry, and TMR.
Main Results:
- Profilometry showed significant correlation with TMR for lesion depth (r=0.648).
- QLF showed a poor correlation with TMR for lesion depth (r=0.217).
- QLF effectively measured subsurface demineralization.
Conclusions:
- Surface profilometry is a valid method for quantifying erosive crater depth.
- QLF is suitable for assessing subsurface mineral loss in dental erosion.
- Future non-destructive in vivo methods could combine profilometry and QLF advantages.
