Xenogenous collagen matriz to treatment of gingival recessions: literature review . Research, Society and Development, [S. l.], v. 10, n. 2, p. e17910212363, 2021. DOI: 10.33448/rsd-v10i2.12363. Disponível em: https://rsdjournal.org/rsd/article/view/12363. Acesso em: 5 dec. 2025.