Fig. 5From: A novel method for periapical microsurgery with the aid of 3D technology: a case reporta, b Micro-surgical mirror was used to examine the cut root surface after the MTA was delivered into the root-end. Completed MTA root-end filling was obtained. c After removal and cleaning of soft pathological tissue, the lesion size was large and required a GTR procedure for better prognosis. d, e Bio-Oss and Bio-Guide were used in this case. f The flap was sutured backBack to article page