Gingival fibroblasts behavior on bioactive zirconia and titanium dental implant surfaces produced by a functionally graded technique. Journal of Applied Oral Science, [S. l.], v. 28, p. e20200100, 2021. DOI: 10.1590/1678-7757-2020-0100 . Disponível em: https://revistas.usp.br/jaos/article/view/190283.. Acesso em: 19 may. 2024.