KHINDA, P. K. Osteoporosis and periodontitis: a bidirectional relationship. Brazilian Dental Science, São José dos Campos, Brazil, v. 20, n. 2, p. 19–28, 2017. DOI: 10.14295/bds.2017.v20i2.1247. Disponível em: https://ojs.ict.unesp.br/index.php/cob/article/view/1247. Acesso em: 9 sep. 2025.