Your first impulse may be to brush your teeth more: That’s a good thing. But your regular toothpaste may be doing more harm than good to your enamel if it’s too abrasive. For guidance on enamel-safe ...

However, too much fluoride can cause fluorosis, "which presents as white streaks or blotchy white patches on the enamel," Kosdon says. "These chalky areas are known as decalcified enamel and [in ...

However, too much fluoride can cause fluorosis, "which presents as white streaks or blotchy white patches on the enamel," Kosdon says. "These chalky areas are known as decalcified enamel and [in ...