Dental Problems

Teeth Discoloration- Causes, Treatment

Teeth DiscolorationExtrinsic and Intrinsic Stains

Teeth discoloration is caused by multiple local and systemic conditions Extrinsic dental stains are caused by predisposing factors and other factors such as dental plaque and calculus, foods and beverages, tobacco, chromogenic bacteria, metallic compounds, and topical medications.

Intrinsic dental stains are mostly the results of dental materials (eg, tooth restorations), dental conditions and caries, infections, trauma, nutritional deficiencies medications and other disorders (e.g., complications of pregnancy, anaemia and bleeding disorders, bile duct problems), and genetic defects and hereditary diseases (eg, those affecting enamel and dentin development or maturation).

Other Causes of Teeth Discoloration:

  • Drinking of tea, coffee, chewing or smoking tobacco and consuming certain liquid medicines that contain iron
  • Fluorosis, where the teeth develop a mottled colour due to an excess of natural fluoride in water
  • Root canal treatment may cause a tooth to darken if the material used to fill the tooth is dark in color


  • If you are a coffee drinker and/or smoker, consider cutting back or quitting all together. Also, improve your dental hygiene by brushing and flossing regularly and getting your teeth cleaned by a dental hygienist every 6 months.
  • If a single tooth is discolored as a result of a condition such as pulpitis or following root canal treatment, a porcelain or plastic veneer may be bonded to the front of the tooth, or the top of the tooth can be replaced by a crown.

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