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,据修复要,或扩大、减缺间隙。

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.

结果龋、松动、覆盖残龈炎的发生随时间呈递增趋势,而槽嵴则无不均匀吸收。