Awareness and perception of COVID-19 among final-year dental students, Sudan.

Background: Infection with COVID-19 has serious consequences, which may lead to severe pneumonia and even death. There is a high risk of infection between dental personnel and patients due to working in proximity while performing dental treatments.

Objective: This study aims to assess the awareness about COVID-19 and its preventive measures among final-year dental students.

Association between sickle cell anaemia and periodontal diseases among 12- to 16-year-old Sudanese children.

Purpose: The principal objective was to investigate the association between periodontal diseases and sickle cell anaemia (SCA).

Materials And Methods: A group of 59 children with SCA (ages 12 to 16 years) were examined and compared to 54 healthy controls, matched by age and gender. Oral clinical examination included: plaque index (PI), gingival index (GI), probing depth (PD), clinical attachment loss (CAL), presence of calculus and tooth mobility.