@article{articlecd472767,
title   = {Influence of the convexity of the upper central incisor on the torque expression of preadjusted brackets},
author = {Vigorito, Júlio Wilson and Moresca, Ricardo and Dominguez, Gladys Cristina and Tortamano, André},
year = {2006},
journal   = {Journal of Clinical Orthodontics}
}