The korean journal of orthodontics (대한치과교정학회지)
- Volume 24 Issue 3 Serial No. 46
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- Pages.709-719
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- 1994
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- 2234-7518(pISSN)
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- 2005-372X(eISSN)
A PHOTOELASTIC STUDY ON THE INITIAL STRESS DISTRIBUTION BY 3 TYPES OF MOLAR UPRIGHITNG SPRING
3종류의 구치부 Uprighting Spring의 초기응력분포에 관한 광탄성학적 연구
- Chun, Youn-Sic (Division of Orthodontics, Department of Dentistry, College of Medicine, Ewha Womans University)
- 전윤식 (이화여자대학교 의과대학 치과학교실 교정과)
- Published : 1994.09.01
Abstract
The aim of this investigation was to identify which suing is more suitable for uprighting of the 30 degree inclined lower second molar in different situations. Between four different molar uprighting springs which were A, B, C type and T-loop spring, the author tested T-loop suing as a control material and the other springs were experimental group. Each spring was fabricated from .017'