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rev port estomatol med dent cir maxilofac . 2019;60(3):137-144 141
Figure 9. Obturation of the three distal root canals Figure 12. 14 -month recall radiograph
Figure 10. Pulp chamber after root canal filling
Figure 13. 3 -year recall radiograph
croscope. Four main root canals (two mesial and two distal)
with gutta -percha filling were found, as well as a fifth inde-
pendent root canal (distobuccal) that had not been instru-
mented (Figure 16). The distal root had a Gulabivala Type 12
(3 -2) configuration (Figures 17 and 18). All root canals were
instrumented to an F2 ProTaper rotary file. A rigorous irriga-
Figure 11. Post -operative radiograph tion protocol was performed, and the root canals were dressed
with calcium hydroxide. At the second visit, three weeks later,
