역학조사에서 치아상태 검사를 위한 큐레이캠 활용의 타당성 평가
Evaluation of the validity of Qraycam for tooth examination during epidemiological surveys
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이금호:Lee Kum-Ho
김세희:Kim Se-Hee/김동기:Kim Dong-Kie/이병진:Lee Byoung-Jin
KMID : 0355420150390040259
Abstract
Objectives: The aim of this study was to evaluate applicability of the Qraycam device for detecting caries and filling body during tooth examinations.
Methods: Fifty-two subjects aged 25 to 34 years were recruited for tooth examination. Two examiners (an epidemiologic expert and a non-expert) performed visual tooth examination using only dental operating light, dental mirror, and air-drying without a dental explorer. Pictures or videos of every tooth surface were obtained under visual ray and 405 nm blue ray, respectively, by using Qraycam. The two examiners then evaluated these videos or images more than 7 days after visual examination. Agreement between the two examiners and area under the receiver operating characteristics (ROC) curve (AUC) were evaluated based on the gold standard derived from visual and Qraycam examinations.
Results: The results of the visual, visible ray image, and 405 nm blue ray image examinations showed very good kappa agreement with the gold standard for both examiners. The 405 nm blue ray image examination showed higher kappa agreement than visible ray image examination, and was similar to visual examination. Accuracy of detecting caries was enhanced by using 405 nm blue ray images from Qraycam. Accuracy of detecting filling body on 405 nm blue ray image examination was almost same as that by visual examination.
Conclusions: Tooth examination with Qraycam images revealed high agreement with the gold standard and showed accuracy for detecting caries and filling body. Therefore, Qraycam would enhance the quality of oral epidemiologic survey including tooth examination and save cost and time of survey.
키워드
Epidemiological tooth survey; Qraycam; Quantitative Light-Induced Fluorescence; ROC curve; Tooth examination
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