What is the reason to turn yellow teeth

Teeth white as snow, amiable smile, everyone is desperate, yet in life, because some people have yellow teeth, lack of self-confidence, become reluctant to communicate with others. So what causes yellowing of the teeth is it? Let's take a look it.

Actually, we see the color of teeth is not only the color of the tooth surface, but also show through the enamel surface of teeth out of the dentin color. When the teeth are white children, with age, the teeth will slowly turn yellow. Teeth yellow, painted a variety dental instruments of reasons, mainly divided into two types: exogenous and endogenous.

First, endogenous:

Color change is to bring changes in physiological factors that affect the teeth, in which changes in the skeletal system of physiological factors affecting the teeth is the most direct and largest. In tooth color produced during the development of color in three ways: First, if the drinking water which contains too much fluorine composition, may also lead to dental fluorosis, white teeth appear gray, brown patches; Second, if the bacterial decomposition products combined with nervous necrosis teeth, teeth will be black. Third, from a drug-induced yellowing teeth, such as tetracycline deposition in the internal teeth, the teeth will turn yellow;

Second, exogenous:

Yellowing teeth due to tooth surface of a variety of bacteria, they secrete a number of sticky surface of the tooth substance. Diet such as smoking, drinking tea, drink coffee, etc. will be left on the teeth in our pigments, these pigments adsorbed on these sticky substances on the surface of the teeth gradually turn yellow or black. Accumulated so that these substances will gradually in-depth teeth from inside the tooth surface, formation of internal stains, discoloration of the teeth are slowly inside.

In fact, yellow teeth, there are many treatments, in addition to pay attention to health habits, proper brushing, but also can go to the hospital for teeth bleaching, dental bleach now there are several, the effect is very good, if poor dental hygiene can thus lead to scaling to a hospital, will play a very good effect. Care for your teeth is equal to your health care.