Notches in the enamel produced by an incorrect brushing technique (usually horizontal brushing movements and excessive pressure) or by the use of excessively abrasive toothpastes or too hard brushes.
White teeth
Fashionable beauty ideal. But natural teeth are never completely white, but possess their own vivid intrinsic colour. Always consult your dentist before using "whitening" toothpastes or resorting to bleaching methods.