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The assessment of an intra-oral video camera as an aid to occlusal caries detection

Author:
Dr. A.H. Forgie   C.M. Pine   N.B. Pitts  


Issue Date:
2003


Abstract(summary):

Aims: To investigate the use of intra-oral video cameras (IOVCs) for occlusal caries detection. Design: Eighty premolars and molars set-up to simulate clinical conditions were examined by six examiners using three techniques: visual examination (EX), an IOVC (CAM) and by watching a video that was recorded using an intra-oral video camera (VID). The teeth were then sectioned for histological validation. Results: 30 surfaces had lesions limited to enamel and 39 had lesions extending into dentine. Sensitivity scores at the D1 threshold (enamel and dentine lesions) were 43% (EX), 68% (CAM) and 77% (VID) whilst the specificity scores were 92% (EX), 64% (CAM) and 60% (VID). Corresponding results at the D3 threshold (caries extending into dentine) were 27%, 42%, 60%, 97%, 99% and 77%. Conclusions: Compared to unaided vision, the use of an IOVC significantly increases the number of occlusal lesions detected, however, there is a rise in false positive scores at the D1 threshold. The use of the video technique also significantly increases the number of occlusal lesions detected but with a concurrent rise in false positive scores at both thresholds.



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