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ePaper created 2017-11-24, 11:00:53 | version 1.38.0
apexifi cation case report | Fig. 6 Fig. 7 Fig. 8 Fig. 9 Fig. 10 Fig. 11 agent for the purpose of widening the entire root canal system. At each instrument encounter, passive ultrasonic irrigation was performed with fl at in- ultrasonic irrigation was performed with fl at in- serts (Fig. 4) in order to enhance the cleaning serts (Fig. 4) in order to enhance the cleaning effect. Complementing the intra-channel effect. Complementing the intra-channel decontamination process, two biweekly decontamination process, two biweekly exchanges of UltraCal calcium hydrox- ide (Ultradent) were performed (Fig. 5), also with the purpose of analysing quality of cleaning through the radi- opacity of the fi lling observed radio- graphically (Fig. 6). After the removal of the intra-canal medication and drying, the apical plug was prepared with MTA REPAIR HP (Angelus; Fig. 7) and inserted HP (Angelus; Fig. 7) and inserted through the direct technique us- through the direct technique us- ing previously measured endo- dontic condensers (Fig. 8). The aim was to fi ll and sub sequently seal the apical 4 mm (Fig. 9). After 24 h, a root canal fi lling was performed with Tagger’s hybrid thermome- chanical technique using an MTA-based sealer chanical technique using an MTA-based sealer (MTA-FILLAPEX, Angelus). Radiographically, (MTA-FILLAPEX, Angelus). Radiographically, ideal sealing of the entire root canal area ideal sealing of the entire root canal area was observed (Fig. 10). The patient was observed (Fig. 10). The patient showed no postoperative complica- showed no postoperative complica- tions. A follow-up examination was tions. A follow-up examination was conducted after six months, which conducted after six months, which revealed new bone formation in the apical region (Fig. 11)._ apical region (Fig. 11). Fig. 6: Radiographic appearance of the root canal fi lling with calcium hydroxide. Fig. 7: Presentation of MTA REPAIR HP. Fig. 8: Direct condensation of MTA REPAIR HP. Fig. 9: Radiographic image of the apical plug. Fig. 10: Final radiograph. Fig. 11: Follow-up after six months. contact Dr Fábio Duarte da Costa Aznar works in applied dental sciences at the University of São Paulo in Brazil. He also coordinates a specialisation course in endodontics offered at various Brazilian universities. Aznar can be contacted at fabio@aznar.com.br. roots 4 2017 23