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The roots of the lower anterior teeth are long (Fig.8). Arrowheads are the initial upper bony cut, which is later moved apically 2-3 mm.
Although there is alteration of sensation of the lower incisors, there is no apical radiolucency of them 4 months postop (Fig14).
Xin Wei, DDS, PhD, MS 1st edition 03/04/2015, last revision 05/28/2018