Yellow teeth do not necessarily mean tooth decay, but can also be tooth decay. Yellow teeth may simply be born with yellow teeth, but there is no decay. Yellow teeth may also be due to dental fluorosis, so they appear yellow. Yellow teeth may also be caused by a lot of plaque on the tooth surface, microorganisms and a lot of soft scale. Yellow teeth may also be due to tooth decay, so there is a yellow substance in the tooth decay, and there is yellow tooth yellow caused by soft caries. All in all, there are more possibilities for yellow teeth.

1. Tooth decay: Bacteria in the mouth produce acids that erode the tooth surface, resulting in damage to tooth enamel and dentin. When you eat cold beverages, the cold irritation can exacerbate the pain sensation in an already damaged tooth. 2. Dentin hypersensitivity: When the enamel is worn out or the gums are receded, the dentin will be exposed, resulting in an allergic reaction to irritants such as cold, heat, sour, and sweet. When you eat a cold drink, the cold stimulus can make the pulp nerve feel painful. 3. Gingivitis: Gingivitis is caused by the accumulation of plaque and calculus, resulting in symptoms such as redness, swelling, bleeding and pain in the gums. When you eat a cold beverage, the cold irritation may make the already inflamed gums more painful.

What is the cause of black spots on your teeth?

The main causes of bitterness in the mouth are: indigestion, poor gallbladder function, poor gastric motility, irregular life, oral inflammation, etc.
The exact cause and treatment should be asked by a doctor

Wisdom teeth have lesions that interfere with normal life and need to be removed.

1. The best time to extract a tooth: 18 to 30 years old is the most suitable, the sooner you have symptoms, the better, after the age of 40 tooth extraction will increase the risk and difficulty of treatment.
2. Early tooth extraction is better: when wisdom teeth only have tooth germs, the damage of extraction is small, and when the root formation is incomplete, the tooth root is thicker and not easy to break.
3. Delay in tooth extraction wound is larger: Delay may lead to other lesions caused by impacted tooth, which will increase the difficulty of tooth extraction, slow wound healing, and increase the difficulty of treatment.

There is a small tip popping out at the very bottom of the mouth, are they wisdom teeth?