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Lasers in Medical Science

, Volume 24, Issue 3, pp 295–300 | Cite as

In vivo evaluation of laser fluorescence performance using different cut-off limits for occlusal caries detection

  • Michele Baffi Diniz
  • Jonas de Almeida Rodrigues
  • Andréia Bolzan de Paula
  • Rita de Cássia Loiola Cordeiro
Original article

Abstract

The aim of this in vivo study was to evaluate the performance of laser fluorescence (LF) comparing different cut-off limits for occlusal caries detection. One hundred and thirty first permanent molars were selected. Visual examination and LF assessments were performed independently. The extent of caries was assessed after operative intervention. New cut-off limits were established and compared with those proposed by the manufacturer and by Lussi et al. (Eur J Oral Sci 109:14–19, 2001). Similar sensitivity and higher specificity was found at D2 (considering as disease only dentin caries) when the LF cut-off limits proposed by Lussi et al. and the new one were compared. At the D3 threshold (considering as disease only deep dentin caries), no statistically significant difference among the cut-off limits for sensitivity was found. However, the new cut-off limits showed higher specificity. The LF device provided good ability to detect dentin caries lesions. Furthermore, the new cut-off limits and the values proposed by Lussi et al. could be suggested for the in vivo detection of occlusal caries.

Keywords

Occlusal caries DIAGNOdent Laser fluorescence In vivo 

Notes

Acknowledgments

The authors wish to thank Dr. Robert L. Karlinsey for the English corrections. This study was submitted to the Araraquara School of Dentistry, São Paulo State University, as a requirement for a Master’s degree.

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Copyright information

© Springer-Verlag London Limited 2008

Authors and Affiliations

  • Michele Baffi Diniz
    • 1
  • Jonas de Almeida Rodrigues
    • 1
  • Andréia Bolzan de Paula
    • 2
  • Rita de Cássia Loiola Cordeiro
    • 1
  1. 1.Department of Pediatric Dentistry, Araraquara School of DentistrySão Paulo State University (UNESP)AraraquaraBrazil
  2. 2.Department of Dental Materials, School of Dentistry of PiracicabaState University of Campinas (UNICAMP)PiracicabaBrazil

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