@article{alhajj_alhaj_basmail_saleh_2026,  title={Prevalence of periodontal diseases and correlations with risk factors among a sample of Yemeni people: cross-sectional study},  volume={29},  ISSN={2178-6011},  url={https://doi.org/10.4322/bds.2026.e4747},  DOI={10.4322/bds.2026.e4747},  journal={Brazilian Dental Science},  publisher={Universidade Estadual Paulista, Instituto de Ciência e Tecnologia},  author={ALHAJJ, Wadhah Abdulnasser and ALHAJ, Nader Jamal and BASMAIL, Fatma Salem and SALEH, Rana Ayed},  year={2026},  pages={e4747} }