Brown spots on the teeth can occur for several reasons ... Tartar can appear as yellow, brown, or black stains on the teeth. Fluorosis is caused by ingesting too much fluoride too early in ...

People with fluorosis develop spots on their teeth that can range from light white to dark brown,” the Cleveland Clinic writes. “These spots typically occur during tooth development ...

So: Parents, check your child’s teeth. If they show early signs of fluorosis (white streaks or spots), that's your cue to check your water source. Practitioners, this is a call for increased ...