title: Caries detection with DIAGNOdent and ultrasound.
abstract: OBJECTIVE
  The objective of this study was to evaluate the repeatability of 2 nondestructive caries detection methods, ultrasound (ULS) and DIAGNOdent, for the detection of approximal caries lesions, and to evaluate 2 tips provided for the DIAGNOdent.
  
  
  METHODS
  White/brown-spot lesions (n = 42) were captured by a digital camera, and measured by test methods and confocal laser scanning microscope (CLSM). Intra- and inter-observer reliability, accuracy, and Cohen's kappa and Spearman's rho statistics were used.
  
  
  RESULTS
  At DIAGNOdent, intra-observer agreements were 78.5%, 66.7% for A tip and 59.5%, 47.6% for B for 2 examiners, respectively. Accuracy of both tips was 50% for the first examiner; 45.3% for A and 47.6% for the B tip for the second examiner. All ULS measurements were accurate, reliable, and positively and significantly correlated between examiners.
  
  
  CONCLUSIONS
  The A tip of the DIAGNOdent was found to be better than the B tip for the detection of enamel caries. All DIAGNOdent and ULS measurements were positive and significantly correlated for both examiners. Both methods demonstrated high repeatability and accuracy.
authors.affiliation: Department of Operative Dentistry, Faculty of Dentistry, University of Marmara, Istanbul, Turkey. dtagtekin@hotmail.com
authors.forename: Dilek A
authors.initials: DA
authors.lastname: Tagtekin
authors.forename: Gürol
authors.initials: G
authors.lastname: Ozyoney
authors.forename: Messeret
authors.initials: M
authors.lastname: Baseren
authors.forename: Masatoshi
authors.initials: M
authors.lastname: Ando
authors.forename: Osman
authors.initials: O
authors.lastname: Hayran
authors.forename: Reha
authors.initials: R
authors.lastname: Alpar
authors.forename: Saadet
authors.initials: S
authors.lastname: Gokalp
authors.forename: Funda C
authors.initials: FC
authors.lastname: Yanikoglu
authors.forename: George K
authors.initials: GK
authors.lastname: Stookey
mesh_terms: D003731:Dental Caries / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003732:Dental Caries Activity Tests; D005453:Fluorescence; D006801:Humans; D007834:Lasers; D018613:Microscopy, Confocal; D015588:Observer Variation; D023861:Photography, Dental; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014463:Ultrasonography