Journal of the Korean Academy of Pediatric Dentistry 1998;25(1):185-196.
Published online February 28, 1998.
VARIATION OF VALIDITY OF THE RESAZURIN DISC CARIES ACTIVITY TEST BY SUBDIVISION OF SCALE
 
Resazurin Disc 우식활성검사의 척도 세분에 따른 타당도 변화에 대한 연구
정영석, 이광희, 김대업
원광대학교 치과대학 소아치과학교실
Abstract
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 as criteria. The results were as follows:


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