摘要
目的 :探讨矫治单侧后牙反的诊断方法和治疗技术。方法 :采用后前位X线片、全颌曲面断层片描图测量和模型测量进行鉴别诊断 ,将单侧后牙反分为 3种不同类型。然后应用单侧分裂基托式活动矫治器或四眼簧扩弓器进行非对称性扩大牙弓 ,还可以在反侧施行上下后牙的交互颌间牵引等矫治方法。结果 :78例单侧后牙反病例 ,依据 3种临床分型 ,采取相应的治疗方法 ,均达到满意疗效。结论 :单侧后牙反患者治疗前正确地诊断其临床类型 ,采取恰当的治疗措施 ,才能保证矫治疗效。
Objective:The aim of this study is to investigate the clinical diagnosis and treatment of unilateral posterior cross-bite and to provide information for correct treatment of this disease.Methods:The X-ray examination of patients′ heads in the posterior-anterior position, analysis of pantomorphic films and model measurement were used for the diagnosis of unilateral cross-bite. According to these data, three types of unilateral posterior cross-bite would be classified, and different orthodontic appliances would be applied in the following treatment, including separate plate removable expansion appliances, Quad-helix appliances, narrowing dental arch and inter-arch elastics.Results:A total of 78 cases of unilateral posterior cross-bite were treated by different techniques in a manner consistent with the classification. All of the clinical results of treatment were satisfactory and successful.Conclusion: If diagnosis is correct, and suitable treatment methods are chosen, unilateral cross-bite can be treated successful.
出处
《华西口腔医学杂志》
CAS
CSCD
北大核心
2001年第2期107-108,共2页
West China Journal of Stomatology
关键词
口腔正畸
后牙反HE
扩大牙弓
颌间交互牵引
orthodontics posterior cross-bite expansion of arch inter-arch mutual elastic
