The bone graft is packed as apical (Fig.4) and buccal (Fig.5 B, as compared to preop CT) as possible.  The patient will return to soft tissue healing check in a week.  CT will be taken to determine whether the bone graft is lost or shrunk 4 months postop. The buccal plate regeneration with formation of the cortex will take longer, e.g., 8 months.  In fact COVIT 19 delays her return.  The buccal plate seems to have reformed 7 months postop (Fig.6 >).  The width and height of the ridge remains basically the same (compare Fig.7 and 8).图六植骨后7个月，颊侧骨板再生（箭头）。

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Xin Wei, DDS, PhD, MS 1st edition 11/13/2020, last revision 11/13/2020