1. ORAL DISEASES IN AFRICA, A JOINT RESEARCH PROJECT, THE DENTAL SCHOOL, UNIVERSITY OF BERGEN, NORWAY, SUDAN, KENYA, TANZANIA, AND SIERRA LEONE; 1987 – PRESENT.

 

  1. SEVERITY AND DISTRIBUTION OF ENAMEL OPACITIES IN AREAS WITH DIFFERENT FLUORIDE CONCENTRATION IN THE DRINKING WATER. A JOINT RESEARCH PROJECT, THE DENTALSCHOOL, UNIVERSITY OF BERGEN, NORWAY, AND THE FACULTY OF DENTISTRY, UNIVERSITY OF KHARTOUM; 1988 – PRESENT.

 

  1. ANTIMICROBIAL EFFECTS OF SILVADORA PERSICA HYDROPHILIC EXTRACTS ON ORAL MICROORGANISMS, FACULTY OF DENTISTRY AND FACULTY OF PHARMACY, UNIVERSITY OF KHARTOUM; 1989 – PRESENT.

 

  1. EPIDEMIOLOGICAL STUDY OF THE IMPACT OF TOOMBAK USE ON ORAL HEALTH IN THE SUDAN. A RESEARCH PROJECT, CENTER FOR INTERNATIONAL HEALTH, UNIVERSITY OF BERGEN, NORWAY AND THE FACULTY OF DENTISTRY, UNIVERSITY OF KHARTOUM; 1992 – PRESENT.

 

  1. FLUORIDE, FLUOROSIS AND DENTAL CARIES IN SUDAN. A JOINT RESEARCH PROJECT, THE DENTALSCHOOL, UNIVERSITY OF BERGEN, NORWAY AND THE FACULTY OF DENTISTRY, UNIVERSITY OF KHARTOUM; 1988 – PRESENT.