TY - JOUR T1 - Prevalence of periodontal diseases and correlations with risk factors among a sample of Yemeni people: cross-sectional study JO - Brazilian Dental Science A1 - ALHAJJ, Wadhah Abdulnasser A1 - ALHAJ, Nader Jamal A1 - BASMAIL, Fatma Salem A1 - SALEH, Rana Ayed SN - 2178-6011 UL - 10.4322/bds.2026.e4747 VL - 29 Y1 - 2026 PB - Brazil ER -