• Kettering Dentists

Why Are My Teeth Yellow?

Many of us don’t realise that our teeth are yellow until we take a closer look in the mirror one day or see a particularly unflattering photo of ourselves. Embarrassment about how yellow your teeth look is a common thing and is why teeth whitening has become such a popular treatment in the last 10 years.

Fortunately, our teeth don’t turn yellow overnight and can be resolved with dentist approved treatments. We would always recommend going to your dentist to get your teeth whitened or buy whitening products directly from your dentist themselves, as some of the off the shelf products can destroy your teeth.

Why Are My Teeth Yellow?

Teeth yellowing can be caused by many things, including:


As we age, it has been proven that our teeth naturally become more discoloured and yellow. This can sometimes be because of genetic factors and family history of poor dental health, but also due to our teeth producing more dentin as we age. The more dentin on our teeth, the less pulp – this causes the translucent appearance of our teeth to darken and look more yellow.

Thinning Enamel

Our enamel starts to thin due to chewing wearing down the top layer of our teeth. When our enamel is worn, the yellow dentin underneath starts to show through and make our teeth look discoloured. Dentin is a dark yellow/brown colour and as more of the enamel is worn away, more of the dentin starts to show.

Poor Diet

The foods we eat are often the biggest culprit of why our teeth are looking more yellow than they used to. What you eat can easily stain your teeth due to the high level of tannins, chemicals that are notorious for staining and adding blemishes to your teeth. Common foods that stain your teeth are: curry, sauces, black coffee and fizzy drinks.


We all know that smoking is bad for your health, but smokers often have the worse teeth due to the tar in the cigarettes. The tar can very quickly stain your teeth a dark brown colour, give you bad breath and very weak, painful teeth. Whilst teeth whitening is available for smokers and is a good option to reverse staining, the best treatment is to stop smoking completely and restore the health of your teeth and gums.

Contact us now to see a dentist and find out what teeth whitening options we recommend for you.

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9 London Road

Kettering NN16 0EF