1. Dental Unit, Misungwi District Hospital, P. O. Box 8, Misungwi, Mwanza, Tanzania
2. Department of Restorative Dentistry, Muhimbili University of Health and Allied Sciences, P. O. Box 65451, Dar es Salaam, Tanzania
3. Oral Health Section, Ministry of Health, Community Development, Gender, Elderly and Children, P. O. Box 743, Dodoma, Tanzania