실제 착색된 치면세균막 면적과 전통적인 치면세균막 지수 비교
Comparison of traditional dental plaque indices with real stained plaque area
김지수, 양용훈, 전은주, 김진범, 정승화,
소속 상세정보
김지수 ( Kim Ji-Soo ) - 부산대학교 치의학전문대학원 예방과사회치의학교실
양용훈 ( Yang Yong-Hoon ) - 부산대학교 치의학전문대학원 예방과사회치의학교실
전은주 ( Jun Eun-Joo ) - 부산대학교 치의학전문대학원 예방과사회치의학교실
김진범 ( Kim Jin-Bom ) - 부산대학교 치의학전문대학원 예방과사회치의학교실
정승화 ( Jeong Seung-Hwa ) - 부산대학교 치의학전문대학원 예방과사회치의학교실
Abstract
Objectives: The aim of this study was to compare Plaque Percent Index (PPI), calculated by Patient Hygiene Performance Index (PHPI), Rustogi’s modification of the Navy Plaque Index (RMNPI), and the Quigley & Hein Plaque Index (QHPI), with visual assessment.
Methods: Ninety-six subjects, aged between 30-65 years, were examined; twenty subjects were included in the final analysis. The subjects’ teeth were stained and photographed. Dental coloring and intraoral camera photography were performed by a single examiner. The oral images obtained were analyzed using Image J to measure the area of dental plaque. The values of PHPI, RMNPI, and QHPI were calculated twice. Statistical analyses were performed using descriptive statistics, chi-square test, and Pearson’s correlation coefficient.
Results: The results of the correlation analyses of PPI with PHPI, QHPI, and RMNPI were as follows: for PHPI, the correlation coefficient (r)=0.584; for QHPI, r=0.689; and for RMNPI, r=0.729. Further, the kappa indices of PHPI, QHPI, and RMNPI were 0.810, 0.677, and 0.590 respectively.
Conclusions: Among RMNPI, QHPI, and PHPI dental plaque indices, RMNPI and QHPI showed a high degree of correlation with the actual stained dental plaque area; on the other hand, PHPI showed the highest kappa index.
키워드
Dental plaque index; Intraoral camera; Plaque percent index
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