资讯

Brown spots on the teeth can occur for several reasons ... When the tooth is hit it can become discolored, appearing gray or brown, either immediately or progressively over time.
White spots on your teeth can be due to a number of things from malnutrition to poor oral hygiene. Once those white spots turn up it's hard to get rid of them but you can reduce their appearance.
Yellow spots on teeth can be a cosmetic concern for many, making smiles appear dull and less vibrant. These stains can result ...
Having white spots on your teeth can put quite a damper on your smile. The condition of having white spots on your teeth is scientifically known as hypocalcification and it is quite common than ...