At the start of orthodontic treatment before,bjsbkq.com to comprehensive control of tooth and periodontal disease
问题描述：
At the start of orthodontic treatment before,bjsbkq.com to comprehensive control of tooth and periodontal disease
答
在开始正畸治疗前,bjsbkq.com综合控制牙齿和牙周疾病 意思是在矫正牙齿之前,要控制牙齿避免牙周疾病