dos Santos, Mariana Diniz Bisi Evaluation of apical deviation in root canals instrumented with K3 and ProTaper systems. [electronic resource] - Journal of applied oral science : revista FOB Dec 2006 - 460-4 p. digital Publication Type: Journal Article ISSN: 1678-7765 Standard No.: 10.1590/s1678-77572006000600013 doi