Many times a mouth of yellow teeth seriously affects the image of individuals, it is very regrettable, so why would the original white teeth become yellow, what are the causes of yellow teeth?
Tetracycline causes yellow teeth
Most of the yellow teeth are caused by tetracycline, because when the fetus is 4 months to 1 week old, the crown of the baby teeth is in the calcification period, if the pregnant women drink children during this period took tetracycline, oxytetracycline, chlortetracycline and other tetracycline drugs, will be and the calcium collection in the developing teeth, the formation of a fluorescent material, and make the teeth become yellow-brown. Likewise if young children take too many tetracyclines between the ages of 1 and 6, their permanent teeth will tend to turn yellow.
Yellow teeth caused by local drinking water factors
Some local drinking water contains too much fluoride (more than 1 mg per kg of water), which can cause yellowish-brown plaque on incisors and canines if consumed for a long time before the age of 6.
Yellow teeth caused by dietary and lifestyle factors
Long-term smoking, drinking alcohol and tea, coffee, etc., the pigmentation of tobacco and tea will also be yellow teeth.
Yellow teeth caused by disease
Some systemic diseases, such as malnutrition, dental caries, and heredity, can cause teeth to turn gray, brown, black, and yellow, affecting the beauty of teeth.
Tooth whitening tips
Use the same amount of salt and soda, add a little water to make toothpaste, brush 1-2 times a day, long-term use can make yellow teeth white. This method is convenient, simple, safe and effective for long-term smoking, tea, coffee and other causes of yellow teeth.