On the connection between nutrition and smile: Why a combination of pigment and acidity is the enamel's "enemy," and how hard ...
Even if you brush your teeth twice a day, certain foods and drinks can still affect their color.
You brush your teeth every morning. Sometimes twice a day. You avoid skipping toothpaste. You rinse properly. You even try whitening products. Yet one day, while looking in the mirror or smiling in a ...