Junqueira, M. C., Ribeiro, R. F., Faria, A. C. L., Macedo, A. P., & Almeida, R. P. (2015). Screw loosening of different UCLA-type abutments after mechanical cycling. Brazilian Journal of Oral Sciences, 12(3), 228–232. Retrieved from https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8641059