What is Tooth Whitening or Bleaching?
Extrinsic, or outside stains are artificial stains originate on the surface of the tooth, produced by dental plaque, tars (in tobacco), tannins (in tea and coffee), red wine, coloured foods and everyday utilization of certain mouthwashes. Smoking cigarettes equally cause ugly stains on the teeth, which may be difficult to get rid of. Extrinsic stains … What is Tooth Whitening or Bleaching?