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ePaper created 2017-03-17, 10:24:23 | version 1.38.0
Fig. 10 Fig. 11 Fig. 12 Fig. 13 Fig. 10 Retrograde preparation with ultrasonic tips. Fig. 11 The metallic ring was removed. Fig. 12 Control of the root canal after retrograde prepara- tion (at 20×magnification). Note the cleanness of the canal walls. Fig. 13 Inspection of the MTA retrograde filling using a micromirror (at 20×magnification). Fig. 14 The flap was closed with 7-0 monofilament sutures. Fig. 14 ring was displaced (Fig. 11). The apical part of the root was further cleaned with ultra- sonic tips and filled with grey mineral tri- oxide aggregate (MTA; Figs. 12 & 13). The surgical flap was closed using 7-0 mono- filament sutures (Fig. 14). The immediate postoperative radiograph showed good adaptation of the MTA in the apical part of the root (Fig. 15). The sutures were re- moved 48 hours after the surgery (Fig. 16). At the following control appointment, the patient was asymptomatic and the soft tissue showed good healing. The patient was recalled one and three years after the surgery. At the recall appointments, the tooth was asymptomatic and showed good stability. The three-year follow-up radio- graph showed bone regeneration and ref- ormation of the lamina dura around the amputated root (Figs. 17 & 18). The patient was referred to our clinic for endodontic treatment on a diferent tooth ten years after the surgery. A con- trol of tooth #23 was done. It had remained symptom-free, and the ten-year follow-up radiograph showed a stable bone condition and the absence of any apical radio lucency (Fig. 19). Inspection of the soft tissue showed barely visible evidence of the in- cision (Fig. 20). Article Endodontics issue 2017 — 41