[Orthodontic treatment and dental diseases].

The health of dental tissue is an important guarantee to obtain good orthodontic effect, and also the basis to achieve beauty, stability and function after orthodontic treatment. The classification of dental diseases is complex and diverse, which has different effects on orthodontic treatment. It is necessary to make clear diagnosis before orthodontic treatment, and take preventive and therapeutic measures according to the etiology and clinical symptoms, so as to achieve the goal of health treatment. Orthodontic treatment might cause a variety of changes in the teeth and pulp tissue. Such changes have certain rules and are complex and variable. Orthodontist should master relevant knowledge to minimize the side effects of orthodontic treatment.牙体组织健康是获得良好正畸效果的重要保障，是正畸治疗后达到美观、稳定和良好功能的基础。牙体牙髓疾病分类复杂、表现多样，可对正畸治疗产生不同影响，需在正畸治疗前明确诊断，并根据病因和临床症状采取预防和治疗措施，从而达到健康矫治的目标。同时，正畸治疗也可能引起牙体和牙髓组织发生多种变化，这种变化具有一定规律，同时又复杂多变，需要正畸医师掌握相关知识并妥当应对，以尽量降低正畸治疗的不良反应，达到正畸与牙体的协调。.