@article{articlec96bc007,
title   = {Mini-implant insertion based on tooth crown references: a guide-free technique},
author = {Barros, Sérgio Estelita Cavalcante and Janson, Guilherme and Chiqueto, Kelly Fernanda Galvão and Garib, Daniela Gamba},
year = {2012},
doi = {10.1016/j.ijom.2011.07.902},
journal   = {International Journal of Oral and Maxillofacial Surgery}
}