Methods By adhering the bracket to the movable teeth and holding the butment erect or adjusting edentulous space depend on different clinical needs.
方法在需要移动的齿上粘着托槽,根据修复要求,竖直或扩大、减少缺间隙。
Results A two-year follow-up revealed there occurred butment caries,luxated butment,and overlain residual root gingivitis,even on the rise,while the alveolar ridge showed no uneven absorption.