Tinelli, MaríaFerreira, GabrielLlahyah, KarimGomez, Natanael2011-10-242011-10-242011-101666-6143http://hdl.handle.net/2133/1759Recent studies have demonstrated the topographical variations of root canals regarding the different ethnicities. This fact complexifies a little more the diversity about the root canal system inner configuration, intimately related to its cleaning and shaping.engopenAccessarticle