Correlation coefficients of three self-perceived orthodontic treatment need indices

(2017) Correlation coefficients of three self-perceived orthodontic treatment need indices. Dental research journal. pp. 37-42. ISSN 1735-3327 (Print) 1735-3327 (Linking)

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Abstract

BACKGROUND: To determine patient orthodontic treatment need, appropriate self-perceived indices are required. The aim of this study was to assess the sensitivity and specificity of esthetic component (AC) of the index of orthodontic treatment need (IOTN), oral esthetic subjective index scale (OASIS), and visual analog scale (VAS) through dental health component (DHC) IOTN as a normative index to determine the more appropriate self-perceived index among young adults. MATERIALS AND METHODS: In this cross-sectional study, a sample of 993 was randomly selected from freshman students of Isfahan University. Those with a history of orthodontic treatment or current treatment were excluded. DHC was evaluated by two inter- and intra-calibrated examiners. Data for AC, OASIS, and VAS were collected through a questionnaire completed by students. Descriptive statistics, Mann-Whitney U-test, and Spearman correlation test, were used for data analyses. Sensitivity, specificity, positive and negative predictive values of self-perceived indices were calculated through DHC. RESULTS: Sensitivity of AC, OASIS, and VAS for evaluating definite orthodontic treatment need was calculated at 15.4, 22.3, and 44.6, respectively. Specificity of these indices for evaluating definite orthodontic treatment need was calculated at 92.7, 90.5, and 76.2 percent, respectively. All self-perceived indices had a significant correlation with together and with DHC (P < 0.01). Among demographic factors, there was weak but significant correlation only between mother's educational level and VAS (P < 0.01). CONCLUSION: Due to the sensitivity and specificity of the three self-perceived indices, these indices are not recommended for population screening and should be used as adjuncts to a normative index for decision-making in orthodontic treatment planning.

Item Type: Article
Keywords: Dental Health Surveys Self-Assessment index of orthodontic treatment need sensitivity specificity real or perceived, financial or non-financial in this article.
Divisions: Dental Implants Research Center
Dental Research Center
Faculty of Dental
Faculty of Dental > Department of Endodontics
Faculty of Dental > Department of Oral & Maxillofacial Surgery
Page Range: pp. 37-42
Journal or Publication Title: Dental research journal
Journal Index: Pubmed
Volume: 14
Number: 1
ISSN: 1735-3327 (Print) 1735-3327 (Linking)
Depositing User: مهندس مهدی شریفی
URI: http://eprints.mui.ac.ir/id/eprint/1638

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