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KMID : 0896020090390010035
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Korean Journal of Oral and Maxillofacial Radiology
2009 Volume.39 No. 1 p.35 ~ p.39
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Proximal caries detection using digital subtraction radiography in the artificial caries activity model
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Park Jeong-Hoon
Choi Yong-Suk
Hwang Eui-Hwan
Lee Gi-Ja
Choi Sam-Jin
Park Young-Ho
Kim Kyung-Sook
Jin Hyun-Seok
Hong Kyung-Won
Oh Berm-Seok
Park Hun-Kuk
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Abstract
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Purpose : The purpose of the experiment was to evaluating the diagnostic ability of dental caries detection using digital subtraction in the artificial caries activity model.
Materials and Methods : Digital radiographies of five teeth with 8 proximal surfaces were obtained by CCD sensor (Kodak RVG 6100 using a size #2). The digital radiographic images and subtraction images from artificial proximal caries were examined and interpreted. In this study, we proposed novel caries detection method which could diagnose the dental proximal caries from single digital radiographic image.
Results : In artificial caries activity model, the range of lesional depth was 572-1,374 μm and the range of lesional area was 36.95-138.52mm2. The lesional depth and the area were significantly increased with demineralization time (p<0.001). Furthermore, the proximal caries detection using digital subtraction radiography showed high detection rate compared to the proximal caries examination using simple digital radiograph.
Conclusion : The results demonstrated that the digital subtraction radiography from single radiographic image of artificial caries was highly efficient in the detection of dental caries compared to the data from simple digital radiograph.
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KEYWORD
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Dental Caries, Subtraction Radiography, Artificial Caries Activity Model
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