Dalia Ahmed Gasm El Seed; Mayada Osman Alhaj; Nafahat Abdalmohsin Alsiddig; Elaf Amer Ibrahem. The Prevalence of Periodontal Diseases Among House Officers at Military Dental Hospital in 2018-2019 in Omdurman, Sudan. ijcsmr 2023, 3, 150-155.