The interproximal areas of the teeth with orthodontic appliances had more artificial plaque than the other areas of the teeth after brushing.

• 2运用正畸菌斑染色指数,发现正畸牙齿弓丝下的区域菌斑去除效率最低,其次是非弓丝下的邻间隙区域,托槽的上方和下方菌斑堆积最少。