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.
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Dental fluorosis
Timeframe: 6 years after permanent incisor eruption