Dental discoloration prevalence of rural and urban population in Ninevah Governorate, Mosul, Iraq. A comparative study

The aims of this study are to determine and compare the prevalence of teeth discoloration in an urban and rural area in Mosul City.A sample of(228) subjects aged(5-44) years was examined. The sample was divided into four age groups(5-14),(15-24),(25-34) and(35-44) years.The results revealed a significant difference in the prevalence of teeth discoloration between rural and urban areas,(80.7) and(56.1), respectively. Also the results showed that natural and acquired stains in general were greater than other causes of the staining; the highest level of natural discoloration found to be due to habits. There were no significant differences between age groups and sex.