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상악 전치부 INTRUSION시 초기 응력 분포에 관한 광탄성학적 분석(Utility archwire, Burstone intrision archwire, "J"hook headgear에 의한)

Other Titles
 A photoelastic study on the initial stress distribution of the upper anterior teeth when intrusive force applied (by utility archwire. burstone intrusion archwire. and "J" hook headgear) 
Authors
 백혜정  ;  백형선 
Citation
 Korean Journal of Orthodontics (대한치과교정학회지), Vol.27(3) : 401-409, 1997 
Journal Title
 Korean Journal of Orthodontics (대한치과교정학회지) 
ISSN
 2234-7518 
Issue Date
1997
Abstract
The purpose of this study was to analize the initial stress distribution around apex and the alveolar bone of the upper anterior teeth when applying intrusive force by the use of utility archwire, Burstone 3-piece intrusion archwire, and "J" hook headgear which is usually used in clinical practice. By the use of the polarization plate, initial stresses were analized when 80g and 150g force applied. The results were as follows. 1. With the utility archwire, moderate levels of stress were evenly distributed on the apical areas of the anterior teeth and concentrated on the apical areas of the first molars. 2. With the Burstone´s 3-piece intrusion archwire, moderate levels of stress were evenly distributed on the apical areas of the anterior and posterior teeth. 3. With the "J" hook headgear, severe levels of stress were widely distributed on, the alveolar- bone and apical areas of the upper anterior teeth, and concentrated on the apical area between the central and the lateral incisors. Especially. weak levels of stress appeared along the periodontal ligament space of all teeth.
Files in This Item:
T199703040.pdf Download
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Orthodontics (교정과학교실) > 1. Journal Papers
Yonsei Authors
Baik, Hyoung Seon(백형선)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/177882
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