The korean journal of orthodontics (대한치과교정학회지)
- Volume 24 Issue 3 Serial No. 46
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- Pages.649-658
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- 1994
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- 2234-7518(pISSN)
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- 2005-372X(eISSN)
A STUDY ON THE AFFECTING FACTORS ON ROOT RESORPTION
치근 흡수에 영향을 주는 요소에 관한 연구
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Kim, Sang-Cheol
(Department of Orthodontics, College of Dentistry, Wonkwang University)
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김상철
(원광대학교 치과대학 교정학교실)
- Published : 1994.09.01
Abstract
The purpose of this study was to evaluate the association between incisor root resolution and sex, age, extraction, the magnitude and direction of tooth movement. The sample consisted of 189 randomly selected orthodontic patients, receiving standard edgewise orthodontic treatment in three private orthodontic onces at San Francisco. Pre-treatment and post-treatment periapicals and cephalometric radiographs were digitized. Measurements and superimpositions were made utilizing a computerized cephalometric analysis program. The variables were statistically analyzed. The results were as follows: 1. Mean apical root resorption values were