@article{articlefe29c277, title = {Ultrasonic chemical vapor deposition coated tip versus high- and low-speed carbide burs for apicoectomy: time required for resection and scanning electron microscopy analysis of the root-end surfac}, author = {Bernardes, Ricardo Affonso and Souza Junior, José Villela de and Duarte, Marco Antonio Hungaro and Moraes, Ivaldo Gomes de and Bramante, Clóvis Monteiro}, year = {2009}, journal = {Journal of Endodontics} }