대한치과교정학회지 (The korean journal of orthodontics)
- 제24권1호
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- Pages.87-94
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- 1994
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- 2234-7518(pISSN)
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- 2005-372X(eISSN)
교정용 선재의 TORQUE 효과에 관한 연구
A STUDY ON THE TORQUE EFFECT OF ORTHODONTIC WIRES
- Lim, Jeong-Hyeon (Department of Orthodontics, College of Dentistry, Wonkwang University) ;
- Kim, Sang-Cheol (Department of Orthodontics, College of Dentistry, Wonkwang University)
- 발행 : 1994.03.01
초록
The purpose of this study was to evaluate the torque effect of othodontic wires. Ten types of orthodontic wires (five types of materials, two types of cross-sectional dimensions) were selected. Each group of ire type was constituted with five specimens. These specimens were tested on the universal testing machine(Instron) with specially-designed jig. The torque-twist curve of each wire was obtained and the results were analyzed statistically. The results were as follows. 1. 0.017'