Yellow teeth are yellow teeth. There are three causes of yellow teeth. The first is dental fluorosis, which is caused by excessive concentration of fluoride in drinking water.
The second is tetracycline teeth, children often take tetracycline caused by drugs.
The third is smoking, drinking coffee, drinking tea, pigment attached to the teeth caused by.
Yellow teeth will not only affect the color and beauty of the teeth, damage the personal image, make people feel inferior, but also cause a variety of oral diseases and systemic diseases because the teeth are not clean.
The main cases of tooth yellowing are as follows: 1. Food In daily life, we inevitably eat colored food.
In addition to light colored foods such as tofu and eggs, most of the other colorful and colorful foods are the cause of yellow teeth.
There are many kinds of bacteria on the tooth surface, and they secrete a lot of sticky substances on the tooth surface.
The ingestion of tobacco (smoking or chewing tobacco), tea, coffee, cola, red wine, and other colored foods all leave pigment on our teeth.
These pigments bind to the sticky material and gradually turn the tooth surface yellow or black.
Over time, these substances will gradually penetrate into the tooth from the tooth surface, forming internal stains, which will slowly discolor the inside of the tooth. This kind of tooth is called exogenously stained teeth. In other words, as long as the tooth has close contact with the color in life, it has the possibility of being stained and yellowed.
Recommended reading: the price of teeth whitening 2, drugs and water in the tooth development, especially children under 8 years of age, take tetracycline drugs, easy to cause tooth discoloration for tetracycline teeth.
In some areas, especially in some mountainous areas, due to the high fluoride content in the water, excessive drinking of fluoride will make the teeth yellow, and not one or two teeth, but a mouth of rhubarb teeth, become dental fluorosis.
These stained teeth are called endogenously stained teeth.
These “sick” teeth, with dark pigment buried deep in the teeth, are inaccessible to regular brushing and can only be “transformed” by special whitening methods.
3, health habits some people do not pay attention to oral hygiene, do not have the habit of brushing their teeth in the morning and evening, so that the surface of the teeth accumulates a layer of food residue, soft scale, calculus, smoke stains, tea stains and other “bad tracks”.
These yellow teeth are not yellow teeth themselves, but the result of poor oral hygiene.
4, age yellow teeth we can never resist, is the natural aging.
As we grow older, our teeth become harder to resist and fade to yellow.
Just as age wrinkles the skin, it can make the teeth look less white
