The Effects of Annual Maintenance on Peri-implant Health in Patients Rehabilitated with Overdentures: A Retrospective Cohort Study - Roman-Torres, Caio Vinicius Gonçalves; Pasquinelli, F; Pimentel, Angélica Castro; Melo, Mariana Pereira de; REGO, RODRIGO; Sendyk, Wilson Roberto (International journal of oral & maxillofacial implants, 2019)