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Post root extraction, the buccal defect is found to be confined coronally (Fig.3 green area; black line: crestal bone). 植牙后，颊侧牙槽窝里放置PRF，然后放置粘性骨粉。
Repair Buccal Defect Internally Last Next
Xin Wei, DDS, PhD, MS 1st edition 03/28/2016, last revision 06/14/2021