固定矫治器应用中牙釉质脱矿的临床观察

A clinical observation on enamel decalcification in orthodontic treatment with fixed appliance

目的 了解固定矫治过程中 ,牙釉质脱矿的发生率、好发牙齿及部位。方法 对 92例患者共 1886颗牙齿进行临床观察、记录 ,统计脱矿的发病率及病损部位。结果 92名患者中有 5 1名出现釉质脱矿现象 ,发病率为5 5 .4% ,1886颗被观察牙中有 2 3 4颗出现釉质脱矿 ,发生率为 12 .4% ,好发牙为上前牙 ,好发部位为牙颈部及托槽周围。结论 在固定矫治过程中 ,牙釉质脱矿是一个不容忽视的问题 。

Objective: To evaluate the incidence of enamel decalcification and the susceptible teeth and area in orthodontic treatment. Methods: Ninetytwo patients(1886 teeth)were observed and recorded to evaluate the incidence. Results: Enamel decalfication lesions were found in 51 patients in treatment,the incidence was 55.4%. Of the total 1886 teeth,234 teeth(12.4%) had enamel decalcification. The susceptible teeth were maxillary incisors,the area was dental cervixand that surrounding the bracket. Conclusion: Enamel decalcification should not be ignored during the orthodontic treatment. some preventive programs should be considered in orthodontic treatment, some preventive programs should be considered in orthodontic clinic.