Teeth Stains And What They Mean



Teeth Stains And What They Mean

Typically, the teeth of the majority of people appear white. However, your tooth enamel and the dentin also play a role in it. Teeth enamel has a bluish-white tint while your dentin has a yellow tint. However, the color of your teeth could also change due to discolouration because of certain factors. Teeth discolouration may fall broadly into three categories, namely extrinsic, intrinsic, and age-related staining.

As the name suggests, extrinsic staining happens on the outer surface of your teeth, that is enamel. The cause of this type of staining can include staining from foods, beverages, and tobacco products.

In intrinsic staining, your teeth develop staining from the inside. Staining of this type often appears greyish and it is difficult to remove this through over-the-counter products. The reasons for intrinsic stains on your teeth could be tooth injury, tooth decay, genes, or certain medicines.

While age-related teeth staining happens as you age, particularly when your enamel wears out and your teeth appear yellow. This type of discolouration can happen because of extrinsic or intrinsic elements.

Also read: White Teeth Are Not Necessarily Healthy, Here’s Why

Other than this, a certain color of teeth stains can tell the reason for the discolouration of your teeth.

Yellow Stains on Teeth

Yellow stains on teeth are more common in people who smoke, chew tobacco, or consume certain beverages like coffee, tea, and alcohol. Apart from this, there are many other causes of yellow stains on your teeth, that include chronic dry mouth conditions, certain types of medications, a sugar-rich diet, and poor oral hygiene.

Brown Spots on Teeth

These spots are easily noticeable on your teeth and the color may range from yellow to brown. Some of these patches can be mottled while others look like lines. Typically, these spots can occur as a result of poor oral health or consuming beverages like coffee, tea, cola, or wine. But there are many other causes of it, including tobacco use, tartar buildup, tooth decay, fluorosis, enamel hypoplasia (having less enamel than normal), old dental work, trauma, and celiac disease.

White Blotches on Teeth

Your teeth may develop white spots, the shade of which is different from the shade of your teeth. In many cases, these spots can be a sign of a cavity. However, conditions like fluorosis, enamel hypoplasia, and plaque accumulation. White spots can also develop on your teeth if you sleep with your mouth open.

Also read: How Safe Is Teeth Whitening

Black Stains on Teeth

Having black stains on teeth can be a sign of an underlying condition that should be looked at immediately. This type of stain develops when your dental cavity has reached an advanced stage. At this point, you need to immediately talk to your dentist for treatment. Other than this, eating or drinking colored products, dental restoration, certain medications, tartar, or tobacco use are the common causes.


Most stains on your teeth are linked to what you eat or consume in your diet. Tobacco and beverages like coffee, tea, and alcohol have a great impact on your teeth health. These stains can also be a warning sign that your oral health is suffering from certain conditions like tooth decay, fluorosis, or enamel hypoplasia. Thus, when you notice the development of these stains on your teeth, it is important to visit your dentist and get a thorough diagnosis of your mouth.

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