摘要
目的探讨60例正畸托槽患者托槽脱落的原因及相关因素。方法选取60名正畸患者,采用标准直丝弓固定矫治器,共用粘结托槽1 115个,观察其临床脱落情况。结果经6个月临床观察,托槽脱落71个,脱落率6.37%;下颌前磨牙脱落率最高,为7.69%;粘结后第1个月脱落率最高,为2.06%。结论正畸托槽脱落与牙位及粘结时间密切相关。
Objective To analyze reasons and related factors in 60 cases of clinical bracket bond failure. Methods Sixty orthodontic patients were selected and 1115 brackets were bonded,and the rate of clinical bond failure was observed. Results Six months of clinical observation indicated that 71 brackets were dropped,and the rate of bond failure was 6. 37%,with the rate of bond failure in mandibular premolar being the highest. The rate of bond failure during the first month was the highest. Conclusion Bracket bond failure was closely associated with the tooth position and bonding time.
出处
《海军医学杂志》
2014年第3期200-201,共2页
Journal of Navy Medicine
基金
烟台市科技发展计划项目(2010148-21)
关键词
托槽
光固化玻璃离子水门汀
脱落率
Bracket
Light cured glass ionomer cement
Rate of bond failure
