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《JOURNAL OF CLINICAL STOMATOLOGY》 2000-01
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Clinical Application of Ideal Tooth Relationship Index.

Wang Lin. Dept. of Orthodontics, Dental School, Nanjing Medical University. Nanjing 210029  
Objectives To evaluate the value of Ideal Tooth Relationship Index (TIRI) in clinical applications. Methods Study models of 44 treated malocclusions were visually assessed to quantify the number of ideal tooth relationship actually present relative to the potential total. According to Haegers method, both intraarch and interarch relationships were used to generate an ideal tooth relationship index (ITRI). Results The difference between pre-and post treatment scores was statistically significant, except posterior, buccal and lingual scores. The total index scores improved from 34.7% to 54% as a result of orthodontic treatment. As a result of treatment the anterior segment showed higher index scores than the posterior. The interarch relationships of the anterior segment registered the highest (from 10.7% to 78.6%). Buccal relationships in the posterior segment produced higher scores than the lingual segment. Conclusion The situation of occlusion relationships can be quantitatively analyzed with ITRI, which offers a quantitative reference to evaluate the severity of malocclusion and the effectiveness of treatment results. The index scores were demonstrated to be reproducible and reliable. But there were intrinsic shortcomings in ITRI, so the attention must be paid to the application of ITRI.
【CateGory Index】: R783.5
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【References】
Chinese Journal Full-text Database 1 Hits
1 WANG Lin.Department Of Orthodontics,Dental School,Nanjing Medical University, 210029 [;ITRI Retrospective Research on Occlusion Relationship in Post-treatment Cases.[J];Journal of Comprehensive Stomatology;2001-01
【Co-references】
Chinese Journal Full-text Database 1 Hits
1 WANG Lin.Department Of Orthodontics,Dental School,Nanjing Medical University, 210029 [;ITRI Retrospective Research on Occlusion Relationship in Post-treatment Cases.[J];Journal of Comprehensive Stomatology;2001-01
【Secondary References】
Chinese Journal Full-text Database 1 Hits
1 ZHANG Dong-liang, WANG Rui, LI Yie-dong. The Department of Orthodontics, Hospital for Stamotology, Capital University of Medical Science, Beijing 100006;The Clinical Study on Uprighting Posterior Teeth by Tip-back Mechanics[J];Journal of Comprehensive Stomatology;2004-06
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