@article{articlef4b0677d,
title   = {Effect of sputter-coating on cracking of root-end surfaces after ultrasonic retrograde preparation: a sem study of resected root apices and their respective impressions},
author = {Bramante, Clóvis Monteiro and Moraes, Ivaldo Gomes de and Bernardineli, Norberti and Garcia, Roberto Brandão and Pidero, Cláudio Urra and Ordinola-Zapata, Ronald and Bramante, Alexandre Silva},
year = {2010},
journal   = {Acta Odontologica Latinoamericana}
}