Septum removal for osteotomy of the lower 2nd molar, Duluth GA Dentist Dental Education Lecture

A 51-year-old man has generalized chronic periodontitis. The mesial root of #18 has vertical fracture (Fig.1*) with infection.

The mesial crest is much lower than the distal (compare arrowheads).

Red dashed line: the upper border of the inferior alveolar nerve canal.

Xin Wei, DDS, PhD, MS 1st edition 02/12/2013, last revision 01/19/2018