COELHO PARAGUASSU, E. . Basic periodontitis manual: what it is, symptoms and treatments. Brazilian Journal of Implantology and Health Sciences , [S. l.], v. 5, n. 2, p. 01–03, 2023. DOI: 10.36557/2674-8169.2023v5n2p01-03. Disponível em: https://bjihs.emnuvens.com.br/bjihs/article/view/239. Acesso em: 2 jul. 2024.