In Group b, interproximal enamel reduction was made, but no polishing and remineralize treatment.
釉质去除组，邻面进行釉质的去除，未进行抛光和再矿化处理。
2
Results The interproximal gingival papillae adjacent to all transplanted teeth were normal or slightly hyperplastic.
结果自体移植牙牙靓无明显增生或退缩。
3
Most food impaction happened in the interproximal of molars. The impaction types were mainly hybrid and vertical impaction, and only 9.7% was horizontal impaction.