Severity of necrotizing ulcerative gingivitis in Nigerian children.

1. Necrotizing ulcerative gingivitis (NUG) was commonly seen in children who attended the Dugbe Dental Centre in Nigeria. 2. The most severe form of NUG occurred in children between 3 and 5 years of age. 3. No cases occurred in infants under 12 months of age. 4. Malnutrition as well as infectious and parasitic disease appeared to play a significant role in the etiology of NUG among the children affected.