图三：术后七个月，种植体颊侧（B）骨板有所萎缩，但是牙龈健康

Fig.3: Seven months postop.  There is mild buccal plate atrophy, but the gingiva is healthy.

种植体在上颌窦中吗？ Is the Implant in the Sinus?

Xin Wei, DDS, PhD, MS 1st edition 10/13/2013, last revision 10/28/2017