Valente, M.G.S., Faria, A.C.L., Ribeiro, R.F. and Rocha, S.S. 2020. Effect of changes in implants and cyclic loading in the abutment screw loosening. Journal of Osseointegration. 12, 2 (Apr. 2020), 167–171. DOI:https://doi.org/10.23805/JO.2020.12.02.13.