European Archives of Paediatric Dentistry

, Volume 8, Issue 2, pp 118–122 | Cite as

Assessment of the accuracy of visual examination, bite-wing radiographs and DIAGNOdent® on the diagnosis of occlusal caries

  • A. M. Costa
  • A. C. B. BezzerraEmail author
  • A. B. Fuks


Aim: This was to evaluate the accuracy of the different methods for diagnosing occlusal caries in vivo, and to compare their performance in primary and permanent teeth. Study Design: Permanent teeth (199) and primary molars (65) with macroscopically intact occlusal surface, with caries lesions without cavitation (white spot) or with a darkened sulcus were selected. The teeth were examined by the following methods: visual inspection, bite-wing radiographs and DIAGNOdent®. The validation method employed for asserting the existence of carious lesion was cavity preparation. Results: When the total sample was taken into consideration, laser (DIAGNOdent®) provided the highest accuracy (74.8%) Even when the total sample was stratified, the laser accuracy was still high for both primary (88.4%) and permanent molars (70.4%). Visual inspection also provided a high accuracy for primary teeth (83.9%). The chi-square test showed a statistically significant difference between permanent and primary teeth considering occlusal caries diagnosis (p=0.0001). The Kappa coefficient showed good inter-examiner reproducibility for all methods. McNemar test revealed that the degree of intra-examiner agreement for visual inspection was lower than for the other methods. Conclusions: As visual inspection also showed a high degree of accuracy, the laser method should be used as a complementary method in doubtful cases. Diagnostic methods of occlusal caries, in general, are more efficient in primary than in permanent teeth.

Key words

occlusal caries primary teeth permanent teeth 


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Copyright information

© European Archives of Paediatric Dentistry 2007

Authors and Affiliations

  • A. M. Costa
    • 1
  • A. C. B. Bezzerra
    • 1
    Email author
  • A. B. Fuks
    • 2
  1. 1.Dept. Paediatric DentistryCatholic University of Brasília (UCB)BrasilliaBrazil
  2. 2.Dept. Paediatric DentistryJerusalemIsrael

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