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Article
In vitro investigation on force degradation of elastomeric chains
Chinese Journal of Orthodontics
  • Nan (Tori) Xiao, University of the Pacific
  • Ding Zhang
Document Type
Article
Publication Date
1-1-2006
Disciplines
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.
Citation Information
Nan (Tori) Xiao and Ding Zhang. "In vitro investigation on force degradation of elastomeric chains" Chinese Journal of Orthodontics Vol. 13 Iss. 2 (2006) p. 59 - 62 ISSN: 1005-0191
Available at: http://works.bepress.com/nan-xiao/23/