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Digital transillumination in caries detection versus radiographic and clinical methods: an in-vivo study.

Journal article
Authors C Lara-Capi
MG Cagetti
Peter Lingström
G Lai
F Cocco
Charlotte Simark-Mattsson
G Campus
Published in Dentomaxillofacial Radiology
Volume 46
Issue 4
ISSN 0250-832X
Publication year 2017
Published at Institute of Odontology
Institute of Odontology, Section 3
Language en
Links dx.doi.org//10.1259/dmfr.20160417
Keywords bitewing radiography; dental caries; reproducibility of results; transillumination
Subject categories Clinical Medicine

Abstract

Abstract OBJECTIVES: This article aimed to evaluate: (a) the agreement between a near-infrared light transillumination device and clinical and radiographic examinations in caries lesion detection and (b) the reliability of images captured by the transillumination device. METHODS: Two calibrated examiners evaluated the caries status in premolars and molars on 52 randomly selected subjects by comparing the transillumination device with a clinical examination for the occlusal surfaces and by comparing the transillumination device with a radiographic examination (bitewing radiographs) for the approximal surfaces. Forty-eight trained dental hygienists evaluated and reevaluated 30 randomly selected images 1-month later. RESULTS: A high concordance between transillumination method and clinical examination (kappa = 0.99) was detected for occlusal caries lesions, while for approximal surfaces, the transillumination device identified a higher number of lesions with respect to bitewing (kappa = 0.91). At the dentinal level, the two methods identified the same number of caries lesions (kappa = 1), whereas more approximal lesions were recorded using the transillumination device in the enamel (kappa = 0.24). The intraexaminer reliability was substantial/almost perfect in 59.4% of the participants. CONCLUSIONS: The transillumination method showed a high concordance compared with traditional methods (clinical examination and bitewing radiographs). Caries detection reliability using the transillumination device images showed a high intraexaminer agreement. Transillumination showed to be a reliable method and as effective as traditional methods in caries detection.

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