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Assessing caries removal by undergraduate dental students using quantitative light induced fluorescence (QLF)

Adeyemi, Adejumoke A.; Jarad, Fadi D.; Komarov, Gleb N.; Pender, Neil and Higham, Susan M. (2008) Assessing caries removal by undergraduate dental students using quantitative light induced fluorescence (QLF). Journal of Dental Education, 72 (11). pp. 1318-1323. ISSN 0022-0337

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Abstract

The purpose of this study was to compare detection of enamel and dentinal caries by dental students’ and faculty members’ visual inspection and by Quantitative Light Induced Fluorescence (QLF). The overall aim was to determine whether Quantitative Light Induced Fluorescence (QLF) was an appropriate technique for use in clinical skills laboratories as a teaching aid for dental undergraduates to detect and assess the removal of enamel and dentinal caries. Sixty students who had no clinical experience with dental caries were asked to select suitably decayed teeth and mount them in plaster. After recording baseline QLF images students removed caries according to the instructions given by the clinical-tutor. On completion of the exercise the teeth were visually determined to be caries free by the student, and then confirmed by the clinical tutor. A fluorescein-in-alcohol solution was injected into the cavity for 2 minutes, rinsed and dried before QLF images were captured. The images were visually analysed by two examiners for the presence or absence of caries. From 74 images recorded, 17 were excluded due to exposure of the pulp chamber. The remaining 57 teeth, which by clinical visual examination were judged to be caries free, were examined using QLF. 53% were found to be caries free while 47% were carious. Conclusion: In a sample of 57 teeth judged to be caries-free by both dental students and faculty, QLF detected caries in almost half of these teeth. These findings suggest that QLF is a useful, non-invasive, non-destructive technique for the detection of caries and can serve as an adjunct to chairside diagnosis and management of dental caries which is typically accomplished by visual inspection. QLF may be useful and appropriate as an objective clinical teaching aid for the assessment of dental caries.

Item Type:Article
Additional Information:No DOI available.
Uncontrolled Keywords:QLF; Fluorescence; Caries Removal
Subjects:R Medicine > RK Dentistry
Departments, Research Centres and Related Units:Academic Faculties, Institutes and Research Centres > Faculty of Medicine > School of Dental Sciences
Publisher's Statement:© 2008 American Dental Education Association
Related URLs:
Refereed:Yes
Status:Published
ID Code:1044
Deposited On:24 Mar 2009 12:51
Last Modified:23 Feb 2012 15:23

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