Following root extraction, debridement of the sockets and minor trajectory change, a 4x11 mm dummy implant is placed with deviation(Fig.6).  不得不拔除牙根，放置报废植体，方向不尽人意（图六）。

Roots in Place     Last     Next

Xin Wei, DDS, PhD, MS 1st edition 07/09/2020, last revision 10/01/2020