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KMID : 0617719980080010149
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Journal of Wonkwang Dental Research Institute
1998 Volume.8 No. 1 p.149 ~ p.168
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Variation of Validity of the Resazurin Disc Caries Activity Test by Subdivision of Scale
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Abstract
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The purpose of study was to investigate the variation of validity of the Resazurin Disc Caries Activity Test by subdivision of the measuring scale of the test. The 3-level color scale of RD test was revised and 4- and 5-level scales were made. The subjects of study were preschool children, 227 for 3-level group, 238 for 4-level group, and 256 for 5-level group. The validity of the RD test using each scale was analyzed by using the caries experience (mean of dt index) as criteria. The results were as follows:
Therefore, the subdivision of scale of the resazurin disc test increased the validity of the test in 5-level scale.
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