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Investigating the Ability of VistaProof Durr Dental to Diagnose Occlusal Caries | Abstract

Journal of Research in Medical and Dental Science
eISSN No. 2347-2367 pISSN No. 2347-2545

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Investigating the Ability of VistaProof Durr Dental to Diagnose Occlusal Caries

Author(s): Mahkameh Moshfeghi, Yaser Safi, Maryam Fazlalipour

Abstract

Introduction: Initial detection of caries on occlusal surface of posterior teeth is difficult because areas of primary caries which can be detected using routine methods used by dentists may not be detected. Therefore, this study tended to examine the ability of VistaProof Durr Dental in detecting occlusal caries.

Materials and Methods: In this study, 96 molar teeth extracted for various reasons such as periodontal problems were selected randomly from a dental clinic in Tehran. Then, VistaProof Durr Dental machine was used to capture surface of each isolated tooth. Then, the teeth were sectioned perpendicular to occlusal surface for histological examination. The sectioned teeth were observed by a maxillofacial pathologist under a stereomicroscope and actual penetration rate of caries was determined.

Results: In histological evaluation, it was observed that 18 cases (18.75%) were healthy, 24 cases (25%) had caries limited to enamel, 54 cases (56.25%) had caries extended to dentine. The best diagnostic power of the machine was obtained in the area under the ROC curve at Cutoff 2 (dentine surface). Diagnostic sensitivity of the machine was 100% to detect non-carious surfaces, 45% to detect caries limited to enamel, and 92.6% to detect caries extended to dentine. Specificity values were 97.43% for non-carious surfaces, 93% for caries limited to enamel and 71.4% for caries extended to dentine.

Conclusion: The results of this study show that diagnostic value of the VistaProof Durr Dental was optimal in noncarious teeth in detecting healthy occlusal surfaces from early caries. Sensitivity was 100%, specificity was 97.43%, positive predictive value was 90%, and negative predictive value was 100%.

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