In fact 1 cc of cortical and cancellous bone mixture is used; after heavy debridement the bone graft is deposited on the distal root surface of the tooth #14 (Fig.4 arrow).  The bone increases not only coronally, but also apically (Fig.5 blue lines, as compared to red lines denoting the original bone height).几个月后骨粉高度能维持吗？

Bone Height    Last    Next Xin Wei, DDS, PhD, MS 1st edition 03/20/2019, last revision 03/25/2021