摘要
目的:通过观察哈利氏保持器与压膜式保持器在临床应用的情况,分析比较两种保持器的优缺点。方法:选择结束治疗期的正畸患者60例(拔牙患者),分成两组(哈利氏保持器组和压膜式保持器组),各自采用哈利氏保持器与压膜式保持器进行保持,分别对患者和医师在使用和制作保持器时6个方面的感受进行评分,评价两种保持器各自的优缺点。结果:佩戴舒适度方面、使用便利度方面、制作方便度上,压模式保持器更有优势,两组有统计学差异。耐用度上,哈利氏保持器更耐用。戴用时隐形度方面、牙列保持度方面,两组无差别。结论:两种保持器各有优缺点,除了开患者只能选择哈利氏保持器外,其它类型患者两种保持器都可使用。
Objective To comparing and evaluating two kind of retainer by observing the clinical application.Methods 60 orthodontic patients with extracted tooth who ended the active fixed orthodontic treatment were divived into two groups randomly,30 patients using Hawley retainer were in group H and the other using Vacuum-Formed retainer in group V.The two groups were observed and evaluated in three years for 6 indexes as follows：（a） the comfortable index of wearing retainer.（b） the convenient idex of wearing retainer.（c） the invisible index of wearing retainer.（d） the easy index of manufacturing retainer.（e） the enduring index of retainer.（f） the retaining index of treatment.Results Patients in group H had higher points for index（e） and patients in group V had higher points for index（a）、（b）、（d）.There were not significant different for index（c） and（f） in two groups.Conclusion Two retainers are good,but patient with overbite had better wear Hawley retainer.
出处
《中国美容医学》
CAS
2011年第2期300-301,共2页
Chinese Journal of Aesthetic Medicine
