Late complications after root coverage with two types of subepithelial connective tissue grafts, clinical and histopathological evaluation: a prospective cohort study - Cardoso, Matheus Völz; Lara, Vanessa Soares; Sant’Ana, Adriana Campos Passanezi; Damante, Carla Andreotti; Zangrando, Mariana Schützer Ragghianti (Journal of Clinical Periodontology, 2021)