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Assessment of root canal enlargement using Mtwo and BioRace rotary files.

Cumbo, Enzo; Russo, Riccardo; Gallina, Giuseppe.
ScientificWorldJournal; 2015: 859693, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-25879075


To evaluate root canal enlargement following mechanical shaping using 2 nickel titanium rotary systems. MATERIAL AND


Forty single-rooted teeth were immersed in resin and sectioned perpendicular to the long axis at 4, 8, and 12 mm from the apex. Digital capture of sections was performed before and after canal instrumentation using Mtwo and BioRace instruments. The area increase of endodontic space was calculated by subtraction.


The use of both instruments has allowed the removal of great amounts of dentin from the canal walls, even when the endodontic morphology is characterized by awkwardness to reach recesses.


Both procedures seem to be valid and no differences were found between Mtwo and BioRaCe considering the amount of dentin removed at different distances from the apex.