Why do teeth turn yellow?

Teacoffee , cigarettes and red wine can leave unsightly marks on our teeth in the long run. With a professional tooth cleaning at the dentist and intensive cleaning pastes, you can usually remove this superficial discolouration. However, food and beverages are not always to blame for a color change in the teeth. The loss of tooth enamel also makes the teeth appear yellower.

Natural tooth discoloration also due to age

Tooth enamel is the hardest substance in our body. But it also wears out over the course of our lives. Acidic foods and drinks, hard toothbrushes or incorrect brushing techniques can accelerate this development.

Age-related wear and tear of tooth enamel occurs over the years. This process is irreversible because tooth enamel no longer “grows back”. Our body builds it up only once – during the formation of enamel in early childhood.

As the enamel layer thins, the underlying yellowish dentin shows through. This is why the teeth of an 80-year-old appear darker than those of a 20-year-old.

Consult a dentist before whitening

If you notice a change in the color of your teeth, you should definitely consult your dentist to find out what caused it. Home bleaching would not improve the situation in the case of discoloration due to loss of enamel. On the contrary, exposed tooth necks could react sensitively to self-prescribed  bleaching  .

In the event of discolouration due to loss of enamel, clean teeth gently

In order to prevent the loss of enamel from progressing too quickly, the teeth should be cleaned with less abrasive toothpastes, i.e. those with particularly gentle cleaning agents.

It is also important to choose the right toothbrush and to check the brushing technique. Because if you “scrub” with brushes that are too hard, you not only risk damage to the enamel of your teeth, but also to your gums. Pain-sensitive teeth , exposed tooth necks and tooth neck caries can be the consequences.


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