Tooth Stain/Discoloration

As a Dentist, I am getting a common statement that “every day I am brushing, but why tooth stain is coming on my tooth, please prescribe a good toothpaste & how to remove this stain, it’s looking ugly”. In this article, I will discuss in details on this topic causes, prevention & treatments. 

Tooth Stain, know causes & Treatments

Know about a different type of tooth stains:

  • Extrinsic tooth Stain:

This is a stain on the external surface of the tooth. External are common and have many different causes  Some extrinsic discolourations that are allowed to remain for a long time may become intrinsic.

Dental Plaque & Calculus: Your mouth is full of bacteria that combine with saliva to form a sticky film known as plaque, which builds up on your teeth. This plaque later becomes hard on the tooth, its call Calculus.

Tobacco & Betel: It causes yellow-brown-black stain around the tooth.

Tea & Coffee: If you take more tea & coffee, It causes brown-black stain around a tooth

Some topical medications: Chlorohexidin mouth wash,Cetylpyridinium chloride

Some Colorful food or drink item

  • Intrinsic tooth Stain:

This is a stain on the inner portion of the tooth. Some intrinsic stains come at the time of tooth development sometimes it comes later.

Fluorosis: So much intake of fluoride can lead to dental fluorosis, a condition that causes white spots or lines on the teeth. Dental fluorosis only affects children whose permanent teeth are still forming beneath the gum line. A common cause of fluorosis is excess fluoride level of drinking water in some areas.



Amalgam Tooth restoration


Pulp necrosis & internal resorption

Genetic disorder- Amelogenesis imperfecta, Dentinogenesis imperfecta, Enamel hypoplasia and enamel hypocalcification, Thalassemia and sickle cell anaemia

Tooth Intrinsic Stain

  • Age-Related Teeth Stains: With the age, tooth gets discoloured. 


  • Brush gently twice-daily in proper technique with a soft/medium bristle or electric brush. don’t use a hard brush. Use toothpaste. Don’t use Charcoal to clean the tooth. Rinse water after every food. Use Dental Floss.
  • Gargle with warm salted water regularly. Sometimes use Chlorhexidine mouthwash.
  • Floss once daily & you can massage gum with your finger.
  • Also, be sure to schedule regular dentist visits for plaque and tartar removal. Every 6-month visit Dentist for scaling treatment, for prevention of dental & general health problems.
  • Avoid Tobacco, Betel, Alcohol
  • Don’t take fluoride containing water.
  • A pregnant mother shouldn’t take Tetracycline drug.

If you are having malocclusion then get the treatment. 

If you want to know How to main Oral hygiene & Brushing Technique -Click Here


For normal extrinsic tooth stain first Scaling is recommended, then if want more white tooth then bleaching is indicated. But tooth bleaching is not always indicated. To remove intrinsic stain commonly tooth Metal Ceramic or Full ceramic Veneering or Crown is indicated. 

Written By- Dr. Anuran Ghosh Mondal

Mob: 9432580313


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