Marcaccini, A. M., Pavanelo, Ângela, Nogueira, A. V. B., Souza, J. A. C. de, Porciúncula, H. F., & Cirelli, J. A. (2012). Morphometric study of the root anatomy in furcation area of mandibular first molars . Journal of Applied Oral Science, 20(1), 76-81. https://doi.org/10.1590/S1678-77572012000100014