In vitro investigation on force degradation of elastomeric chains

Authors

Nan (Tori) Xiao, University of the PacificFollow
Ding Zhang

Department

Biomedical Sciences

Document Type

Article

Publication Title

Chinese Journal of Orthodontics

ISSN

1005-0191

Volume

13

Issue

2

First Page

59

Last Page

62

Publication Date

2006

Abstract

目的体外比较临床常用两种链状弹力圈,固定拉伸长度后,在不同条件下力值随拉伸时间的衰减规律.方法测力计测量Classone和Ormco公司紧密型链状弹力圈在室温人工唾液pH=7,pH=5,pH=8,60℃人工唾液pH=7,37℃人工唾液pH=7条件下,初始、拉伸1小时、24小时、1周、2周、4周和6周的力值.结果链状弹力圈力值随时间衰减,不同pH值及温度均有影响.结论链状弹力圈力值在拉伸第一小时显著衰减;高温显著加速力值衰减;pH值改变力值衰减速率,但不影响衰减总量;两种产品力值衰减存在差异.

Recommended Citation

Xiao, N., & Zhang, D. (2006). In vitro investigation on force degradation of elastomeric chains. Chinese Journal of Orthodontics, 13(2), 59–62.
https://scholarlycommons.pacific.edu/dugoni-facarticles/236