교정치료후의 변화에 관한 상악치열궁의 모형분석에 의한 연구
MODEL ANALYSIS IN ORTHODONTIC TREATMENT CHANCES OF THE MAXILLARY DENTAL ARCH
이원철,
소속 상세정보
이원철 ( Lee Won-Chul ) - 서울대학교 대학원 치의학과 교정학
KMID : 0361919740040010041
Abstract
The author has selected 70 non-extraction and extraction cases. The linear measurements were made in the maxillary dental cast at pre-and post-treatment. The purpose of this study was to detect out the changes occured during orthodontic treatment. On the basis of findings of this study, the following results are made: 1. In extraction cases: 1) The maxillary intercanine width increased. 2) The maxillary dental arch width decreased. 3) The maxillary inter first molar width decreased. 4) The maxillary dental arch length decreased. 5) The maxillary dental arch length (I-3) increased. 2. In non-extraction cases, the maxillary intercanine width decreased in Angle’’s class III.
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