Root coverage with tunneling technique or modified advanced flap associated with acellular dermal matrix: results from 6 months randomized clinical trial - Ramos, Umberto Demoner; Bastos, Gabriel Figueiredo; Costa, Camila Alves; Souza, Sérgio Luis Scombatti de; Taba Júnior, Mário; Novaes Júnior, Arthur Belém (Clinical Oral Investigations, 2022)