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Why Do Teeth Turn Yellow? Causes, Solutions, and Prevention

Teeth Whitening

A bright white smile can make a great first impression, boost confidence, and improve your appearance. However, sometimes teeth begin to appear dull and develop a yellow hue as we get older, due to a variety of factors such as chewing tobacco or eating acidic food. If you’ve been wondering what really causes pearly whites to appear yellow, we have the answers you’ve been searching for.

Why do teeth appear yellow?

There are many different factors that affect the colour of your teeth: diet, personal habits, and genetics are some of the main contributing factors to yellow-coloured teeth.

What’s the biggest cause of yellow teeth? Smoking and chewing tobacco.

The chemicals found in tobacco products stain the enamel (the outermost layer) of your teeth. Food and drinks like blueberries, pomegranates, dark-coloured sauces, coffee, and red wines also contain chemicals that stick to the enamel of teeth.

Acidic food and drinks can actually weaken the enamel surrounding your teeth as well, further causing tooth discolouration. When the enamel begins to thin due to acidic food and aging, the naturally yellow-coloured dentin behind the enamel begins to show. The more the enamel wears away, the more the teeth become yellow.

Poor oral hygiene is another contributing factor that results in a buildup of plaque on teeth causing a yellow staining that’s typically found along the gum lines. Since diseases and forms of dental trauma as a child can also cause teeth to turn yellow, it’s best to check with a professional Kelowna dental clinic to determine the exact cause of your teeth discolouration before beginning teeth-whitening treatments of any kind.

What solutions are there for yellow-coloured teeth?

A change in dietary and personal habits can help stop the staining, but it won’t necessarily reverse the affects the staining has caused. Proper brushing and flossing techniques, as well as a trip to the dentist for a cleaning every six months can also help combat yellow teeth.

For more persistent stains, teeth-whitening treatments are available. Trays containing whitening agents, pens for quick and easy at-home applications, and in-office teeth whitening treatments are available to help you achieve a blinding set of pearly whites.

How can you prevent white teeth from becoming yellow?    

Quitting or limiting tobacco intake and cutting back or avoiding the stain-causing food and drinks will help keep white teeth sparkling. A visit to the dentist every six months and employing proper flossing and brushing techniques will also help prevent a buildup of yellow-coloured plaque and stains, keeping your smile bright.

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