We wanted to find out which effect orthodontictreatments had had on the development of nickel allergy in university students.
作者欲查明牙齿正畸治疗对大学生镍过敏发生的影响。
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Hou Zhengjie Initiator of Domestic Korean-style OrthodonticTreatments Graduated in Beijing Medical University, with extremely high aesthetic taste and ability of body shaping.
侯振杰韩式外科正牙国内创始人毕业于北京医科大学，具有极高的艺术审美眼光和形体雕塑能力。
3
Conclusion: Fluoride treatments can reduce the incidence rate of enamel opaque spot after orthodontic etching.