Why do teeth turn yellow?

still from the TV series “Friends”. The episode where Ross bleached teeth

What do you think the color of the teeth is considered abnormal? If you think that smile should be as white and glow in the dark, like a character from the TV series “Friends” in one episode, then relax. Your teeth should not be extremely white. According to abnormal tooth color is any color other than white or yellowish-white. Many things can affect the color of teeth and give them an unpleasant yellow tint. Often, people are faced with a similar problem, embarrassed smile. But what makes teeth yellow, and how to safely return them to a natural, healthy color?

Why do we need teeth?

Though we don't always notice it, but the human teeth play an important role not only in the chewing of food. , respiratory and speech system can't fully function without them. In the course of human evolution has changed the structure of the jaw and the number of teeth. Some of our ancestors there were as many as 36. And they had a massive jaw, with protruding fangs. So they could chew raw meat and other roughage.

Over time the jaw arc was narrowed, and the bite is transformed, as are the teeth. Their size and number decreased. Today the norm is 32 teeth, but many of the “eight” (the so-called wisdom teeth), being a nuisance and removed.

it looks like the skull of a Neanderthal: protruding jaw and massive teeth

Teeth consist of several layers: the crown, gum line, root, enamel, dentine and pulp. The yellowness of the teeth is not difficult to see — it affects the outer layer of the tooth, i.e. the enamel. Enamel — a layer that covers the crown of the tooth. It is also the most hard and mineralized . It gives the teeth a characteristic white color.

Why should we care about the health of your teeth?

For starters, let's examine what factors affect the health of teeth. Despite the fact that the link between oral health and General health does not seem obvious, it is. Gum disease, for example, periodontitis associated with the development of cardiovascular diseases, and inflammation and suppuration in the oral cavity can lead to dangerous consequences.

In addition, with the teeth and oral cavity contribute to the reduction of immunity. As a result, the body difficult to cope with infections. Needless to say that tooth decay or blackened tooth are a constant source of bacteria. And, of course, the condition of the teeth affects the digestive tract. Digestion starts in the case if the person is not able to fully chew food.

What affects the health of your teeth?

The condition of the teeth affects a huge number of factors. So, thanks alone Smoking, you are risking not only the typical yellow hue, called by dentists “tinged smoker,” but also periodontal disease. And this, in turn, can lead to premature tooth loss.

Nutrition, stress, environment and bad habits — here are the main factors undermining the health of teeth. The color change indicates the presence of problems. So, for those with a sweet risking the destruction of the enamel that begins with demineralization. Neglected caries, is known to be fraught with complications.

Why teeth turn yellow?

The Most common cause of yellow teeth — a way of life — Smoking and the consumption of staining drinks such as coffee and tea. In the tobacco includes tar and nicotine. These substances can cause stains on the enamel. Staining drinks and food, along with acidic foods, can not only stain the tooth enamel and damage it. From this yellow plaque just enough to get rid of in the dentist's office — regular brushing will help remove plaque and prevent its occurrence.

So the look of your teeth before and after whitening

But if the teeth appear dark spots, then the problem lies a little deeper — such spots appear on the layer that is under the enamel is dentin. To get rid of them is not easy. Reasons why these spots appear, a lot. So, because of taking certain antibiotics, the teeth of children under 8 years can purchase a yellowish-brown hue. Some of the liquid for rinsing, e.g. chlorhexidine used for gingivitis, can also cause changes in the color of the enamel. In fact, many antihistamines and antipsychotic medications can affect the color of your teeth.

is it Worth it to whiten teeth?

Before you decide to conquer the world with their white smile by using strips and gels to whiten your teeth, be aware that tools used during the procedure can be more dangerous than previously thought. According to a study published in the journal Experimental Biology, a key ingredient in teeth whitening is peroxide . Peroxide can damage the dentin beneath the enamel. Moreover, the means used in bleaching, can lead to gum disease and tooth sensitivity. However, these effects disappear soon after you stop using whitening strips.

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However, today it is believed that whitening treatments using gels and strips can cause significant damage to teeth. The specialists do not advise bleaching your teeth often, and the decision to whitening best taken after consultation with your doctor.