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  Indian J Med Microbiol
 

Figure 23: Obturation of canals treated with rotary files vs. SAF. Pair-matched oval canals were treated with either rotary files (the ProTaper) with syringe and needle irrigation or with the SAF System with its continuous irrigation. The total amount and the concentration of the irrigant used were similar. The root canals of both groups were then obturated with ThermaFill obturators, with no sealer. a and b are pair-matched root canals, as are c and d. a and c were treated with the SAF System, while b and d were treated with a rotary fi le and syringe and needle irrigation. Note that the debris left in or packed into the "fin" part of the canal in the rotary file-treated group prevented the flow of gutta percha into this area. The clean canals treated with the SAF System allowed for better adaptation of the root filling to the canal walls (adapted from DeDeus et al. 2012)[81]

Figure 23: Obturation of canals treated with rotary files vs. SAF. Pair-matched oval canals were treated with either rotary files (the ProTaper) with syringe and needle irrigation or with the SAF System with its continuous irrigation. The total amount and the concentration of the irrigant used were similar. The root canals of both groups were then obturated with ThermaFill obturators, with no sealer. a and b are pair-matched root canals,
as are c and d. a and c were treated with the SAF System, while b and d were treated with a rotary fi le and syringe and needle irrigation. Note that the debris left in or packed into the et al. 2012)[81]">