@article{articled617b5b0,
title   = {Unusual case of bilateral talon cusp associated with dens invaginatus},
author = {Sousa, Simone Maria Galvão de and Tavano, S. M. R. and Bramante, Clóvis Monteiro},
year = {1999},
doi = {10.1046/j.1365-2591.1999.00243.x},
journal   = {International Endodontic Journal}
}