Clinical performance of a diode laser fluorescence device for the detection of occlusal caries in primary teeth.
OBJECTIVE
To correlate the DIAGNOdent readings (LF) with those of direct visual (DV) examination, indirect visual (IDV) examination, bitewing radiography (BWR), and pit and fissure opening (PFO) for the detection of occlusal caries in primary teeth; to determine the validity of this device using PFO as reference; and to evaluate its reliability.


METHODS
Two calibrated operators examined 130 teeth with 405 examination sites using DV, IDV and radiographic examinations, and LF. Of the 405 sites, 155 were visually scored for caries after pit and fissure opening.


RESULTS
Pit and fissure opening was found to significantly correlate with all methods (rhoLF = 0.48, rhoBWX = 0.48, rhoDV = 0.44, rhoIDV = 0.41). For enamel lesions, higher sensitivity (0.76) was found with DV, while higher specificity (0.88) with the LF. For lesions into dentin, however, higher sensitivity (0.78) was found with the LF, while higher specificity (0.98) with the BWR. The device's accuracy was found to be 0.61 for enamel lesions, while for lesions into dentin 0.70, and its reliability was excellent (ICC = 0.97).


CONCLUSIONS
The LF device presented high reliability in the detection of occlusal caries in primary teeth and its performance was similar to DV and radiographic examinations.
Kavvadia
Katerina
K
Department of Paediatric Dentistry, School of Dental Medicine, University of Athens, Athens, Greece. kavad@dent.uoa.gr
Lagouvardos
Panagiotis
P
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003731:Dental Caries / Q000175:diagnosis*; D003732:Dental Caries Activity Tests; D003743:Dental Enamel / Q000473:pathology*; D003750:Dental Fissures / Q000175:diagnosis*; D003818:Dentition, Mixed; D005260:Female; D005453:Fluorescence; D006801:Humans; D007834:Lasers; D008297:Male; D015588:Observer Variation; D016300:Radiography, Bitewing; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index; D014094:Tooth, Deciduous