Santana, M. B. de; Sponchiado Jr, E. C.; Garcia, L. da F. R.; Marques, A. A. F.; Garrido, Ângela D. B. Tip Diameter of 0.04 and 0.06 Tapered Gutta-Percha Points from Different Commercial Brands. Arch Oral Res. 2011, 7.