what are the usual examinations for teeth yellowing?
1. The dental examination shows that the teeth are yellow and not white. At the same time, the inspection and observation can eliminate the lack of luster and yellowing of the tooth surface caused by tetracycline teeth, calcium fluoride plaque teeth and other drugs damaging the enamel.
2. X-ray examination: the symptoms of tooth yellowing caused by dental pulp disease and enamel disease can be eliminated through X-ray examination.
3. Ultraviolet lamp irradiation examination: the possibility of tetracycline teeth can be ruled out. Excited fluorescence can be observed when tetracycline teeth are irradiated with ultraviolet lamp.
How to prevent tooth yellowing?
experts said that to prevent tooth yellowing, we should start with the causes of tooth yellowing, pay attention to oral hygiene and reduce exposure to substances that will stain teeth. In particular, we should pay attention to the damage of fluorine and tetracycline to children’s teeth. Tooth washing can be used to prevent exogenous yellow teeth.
1. Brush your teeth with warm water
soak the brush head squeezed with toothpaste in warm water at about 35 ℃ for 1-3 minutes before brushing your teeth, because this can make the bristles soft and elastic and reduce the friction loss of the bristles on the teeth and the stimulation and damage to the gums.
2. Change one toothpaste every month
. It is best not to use one toothpaste for a long time, because the bacterial content of the same brand and type of toothpaste is fixed. If you use one toothpaste for a long time, the bacteria in your mouth will not be killed and will also produce resistance. In addition, you will have a higher chance of contacting bacteria if you use it for a long time, Therefore, it’s best to choose the amount of toothpaste for a month.
3. Wash your teeth every six months
tobacco and alcohol will corrode your teeth and deposit a large amount of plaque, melanin and calculus on the surface of your teeth. Oral experts found that men are more prone to periodontal disease because of improper smoking, alcohol and diet. It is recommended to wash their teeth every six months to find problems early.
4. Try to eat more VC tooth protection food
if you lack vitamin C, periodontal disease may occur. Therefore, you must eat tooth protection food rich in vitamin C every day, such as vegetables, oranges and lemons, which contain a variety of trace elements and rich vitamin C. It is a tooth protection food that can not be ignored. You can take vitamin C tablets when necessary.
1 and
Lentinus edodes are rich in lentinan, which can inhibit bacteria in the mouth and avoid dental caries and tooth discoloration. If you are afraid of the taste of Lentinus edodes, you can make some seasoning appropriately to make the Lentinus edodes taste delicious, but remember to avoid adding soy sauce seasonings that will make your teeth yellow.
2, apple
although the crunching sound of chewing Apple may be annoying, this fruit is good for tooth health. The crispness of apple can enhance the strength of gums. Its high water content can increase the secretion of saliva, disperse and neutralize the bacterial community causing halitosis and dental plaque.
3 , strawberry
Irving & middot, President of the American Society of dental aesthetics; Dr. smeger believes that although strawberries have bright red, malic acid, the main component of this summer fruit, can be used as a natural astringent to remove the discoloration on the surface of teeth. Fresh and juicy strawberries can be used to make salads, desserts and milkshakes, which are easy to obtain in daily diet.
4,
chew a guava to keep your gums healthy. Chewing a guava is another good way to keep your gums healthy. Guava has low calories. Many people use it to increase their sense of satiety when dieting, and its vitamin C content is the highest among fruits. Vitamin C is an important nutrient to maintain gingival health. People with serious deficiency will become fragile and prone to diseases, such as gum swelling, bleeding, loose or falling teeth and so on.
5 and pear
eating pears can neutralize the bacterial community of annoying halitosis and stained teeth. This delicious juicy fruit can increase the secretion of saliva, wash away food residues and keep teeth clean and bright.