[Prevalence of tooth discoloration from tetracycline in a school population]. / Prevalencia de tinciones dentales por tetraciclinas en una población escolar.

We have made a transversal study in a population of 910 scholars from Madrid with the purpose of knowing the prevalence to tetracycline-stained, and we have found a 3.11% of children affected. We have referred study by age, sex, socioeconomic level and dental caries.