AZIZ, Fahad A et al. Effect of cyclic loading on torque loss of abutment screws. Trends in Prosthodontics and Dental Implantology, [S.l.], v. 5, n. 2, p. 41-44, dec. 2014. ISSN 0975-9298. Available at: <https://trendsinprosthodontics.com/index.php/trends/article/view/47>. Date accessed: 22 feb. 2020.