Initial osteotomy at #29-30 shows that the osteotomy at #29 is close to the root of the tooth #28 (Fig.2).  Moving the osteotomy of #29 distally using Lindamann bur is not sufficient initially.  A de novo osteotomy is established between the osteotomies or presumably sockets of #29 and 30 later.

Uneven Bone Last Next Xin Wei, DDS, PhD, MS 1st edition 03/30/2017, last revision 06/16/2019