- THE PREVALENCE OF DENTAL CARIES AMONG URBAN, SEMI-URBAN AND RURAL SCHOOL CHILDREN IN SUDAN. KUWAITI DENTAL CONFERENCE 1989.
- CARIES PREVALENCE IN 20 YEAR OLD STUDENTS IN KENYA, SIERRA LEONE, TANZANIA AND SUDAN. 73RD SCANDINAVIAN INTERNATIONAL CONFERENCE, BERGEN, NORWAY.
- DENTAL FLUOROSIS IN SUDAN, A PILOT STUDY. 73RD SCANDINAVIAN INTERNATIONAL CONFERENCE, BERGEN, NORWAY.
- HEADACHE OF DENTAL ORIGIN. SUDANESE OPHTHALMOLOGIC CONFERENCE, KHARTOUM; 1991.
- FLUORIDE AND FLUOROSIS IN SUDAN. INTERNATIONAL FLUORIDE CONFERENCE, ARUSHA, TANZANIA; 1995.