ALHAJ, Wadhah Abdulnasser; AL-HAJ, Nader Jamal; BASMAIL , Fatma Salem; SALEH, Rana Ayed. Prevalence of periodontal diseases and correlations with risk factors among a sample of Yemeni people: cross-sectional study. Brazilian Dental Science, São José dos Campos, Brazil, v. 29, p. e4747, 2026. DOI: 10.4322/bds.2026.e4747. Disponível em: https://ojs.ict.unesp.br/index.php/cob/article/view/4747. Acesso em: 16 feb. 2026.