@article{article241f6967, title = {Comparison of different ultrasonic vibration modes for post removal}, author = {Braga, Neilor Mateus Antunes and Silva, Juliana Monteiro da and Carvalho Júnior, Jacy Ribeiro de and Ferreira, Raquel Conceição and Saquy, Paulo César and Brito Júnior, Manoel}, year = {2012}, doi = {10.1590/S0103-64402012000100009}, journal = {Brazilian Dental Journal} }