@article{article98410f97,
title   = {Removal torque of zirconia abutment screws under dry and wet conditions},
author = {Nigro, Frederico and Sendyk, Claudio L. and Francischone Jr., Carlos Eduardo and Francischone, Carlos Eduardo},
year = {2010},
doi = {10.1590/S0103-64402010000300009},
journal   = {Brazilian Dental Journal}
}