Some people have perfectly colored teeth, but as they age, their teeth gradually turn yellow or dark.
And some people are born with yellow teeth or tetracycline, dental fluorosis, etc.
So, what are the causes of tooth color change, gradually turning yellow?
1. Physiological tooth color change With age and long-term use, people’s teeth will gradually have a slight color change.
Just like my own skin, it is white and smooth when young, and gradually dull as I get older.
These are unavoidable.
Don’t worry too much about this color change. If you care about your appearance, you can use whitening methods to improve your appearance, just like you do with your skin.
Second, exogenous yellow teeth this is long-term drinking drinks containing pigments, such as coffee, tea pigments attached to the teeth, then it will be yellowish gray;
If the food coloring is on the tooth surface, it will appear yellow or gray.
Three, endogenous yellow teeth teeth are affected by certain elements, pigment is not on the tooth surface but in the tooth tissue, there are two main types: dental fluorosis and tetracycline.
(1) Dental fluorosis: This kind of tooth is mainly caused by living in areas with high fluoride in drinking water before the age of seven.
The pigment is in the enamel of the tooth surface, which is yellowish-brown and patchy. In severe cases, there are uneven defects on the tooth surface. Generally, the incisors of the upper jaw are more obvious, so it seriously affects the appearance.
(2) Tetracycline teeth: These teeth are mainly associated with the use of tetracycline drugs before the age of eight.
Tetracycline molecules can combine with calcium in dental tissues to form a very stable complex, which is deposited in the dental tissues and makes the teeth colored. The whole teeth can be brown gray or brown yellow.
The above is the cause of yellow teeth, female friends according to their own yellow teeth, to find a suitable solution.
