Quantitative light-induced fluorescence (QLF) in relation to other technologies and conventional methods for detecting occlusal caries in permanent teeth

Authors

  • Antônio Carlos Pereira Piracicaba Dental School, University of Campinas, SP
  • Hafsteinn Eggertsson Indiana University School of Dentistry
  • Carlos González Cabezas University of Michigan School of Dentistry
  • Domenick T. Zero Indiana University School of Dentistry
  • George J. Eckert Indiana University School of Medicine
  • Fábio Luiz Mialhe Piracicaba Dental School, University of Campinas, SP

DOI:

https://doi.org/10.20396/bjos.v10i1.8641682

Keywords:

Dental caries, Detection, Diagnosis, Pits and fissures, Quantitative light-induced fluorescence, Visual scoring of caries, Radiograph, Fluorescence, Accuracy, ECM

Abstract

Aim: The aim of this in vitro study was to compare the reproducibility and accuracy of quantitative light-induced fluorescence (QLF) in relation to other technologies and conventional methods for detecting occlusal carious lesions. Methods: Ninety-six extracted permanent molar teeth were selected. Three examiners carried out examinations using Visual examination (VI), bitewing radiographs (RX), QLF, electrical conductance measurement (ECM), and DIAGNOdent. Twentyfive percent of the teeth were re-examined for repeatability. Stereomicroscopic examination was used as the gold standard. Results: Intra- and inter-examiner agreement ranged from 0.43 to 0.89. Areas under ROC curves were 0.82, 0.54, 0.84, 0.79 and 0.88, respectively, for VI, RX, QLF, ECM and DIAGNOdent examinations, with RX significantly lower than the other methods. No significant statistical difference was found when comparing the areas under ROC curve of visual inspection and QLF. Conclusions: Although QLF and other technologies for early caries detection may offer some advantages, this study did not find significant improvement in occlusal caries detection when compared to visual examination.

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Author Biographies

Antônio Carlos Pereira, Piracicaba Dental School, University of Campinas, SP

Department of Community Dentistry, Piracicaba Dental School, University of Campinas, SP

Hafsteinn Eggertsson, Indiana University School of Dentistry

Indiana University School of Dentistry, Indianapolis, IN, USA

Carlos González Cabezas, University of Michigan School of Dentistry

University of Michigan School of Dentistry, Ann Arbor, MI, USA

Domenick T. Zero, Indiana University School of Dentistry

Indiana University School of Dentistry, Indianapolis, IN, USA

George J. Eckert, Indiana University School of Medicine

Indiana University School of Medicine, Indianapolis, IN, USA

Fábio Luiz Mialhe, Piracicaba Dental School, University of Campinas, SP

Department of Community Dentistry, Piracicaba Dental School, University of Campinas, SP

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Published

2015-11-12

How to Cite

1.
Pereira AC, Eggertsson H, Cabezas CG, Zero DT, Eckert GJ, Mialhe FL. Quantitative light-induced fluorescence (QLF) in relation to other technologies and conventional methods for detecting occlusal caries in permanent teeth. Braz. J. Oral Sci. [Internet]. 2015 Nov. 12 [cited 2022 Oct. 1];10(1):27-32. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641682

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