Study Status: Completed
Recruit Status: Completed
Study Type: Interventional
Official Title: Influence of Different Toothpaste on Fluoride Concentration in Nails and Dental Fluorosis
Brief Summary: To determine fluoride concentration in fingernails and estimate if there is a correlation between fluoride concentration in fingernails and fluoride concentration in toothpaste used. In addition, fluorosis of permanent incisors will be evaluated at 13 years of age and correlated with toothpaste fluoride concentration.