“带环”用英语怎么说？

2避免吃过粘的食物,以免损坏托槽和带环.Sticky food should be avoided to minimize the damage to braces and bands.目的: 比较直接粘结颊面管与带环颊面管在直丝弓矫治技术中的临床应用.Objective : To compare the clinical effect of directly bonded and buccal tube in straight wir...