Foods that help prevent tooth decay.


      Tooth decay is one of the most common oral diseases, very easy to get if we do not have a good oral care regimen. However, there are many foods that help prevent tooth decay and keep teeth strong.

* Why do you have tooth decay?

Many studies show that there are 3 factors that cause tooth decay: bacteria, sugar and the time that bacteria and sugar stick in the teeth. Bacteria that cause tooth decay hide in the dental plaque layer. Sugar is found in food and drink. Bacteria live in the mouth from 20 minutes to 1 hour after eating. Bacteria use sugar to form dental plaque, they ferment sugar to produce acid, which erodes inorganic substances in enamel and dentin causing tooth decay.

Teeth are also corroded by the acidic environment of the mouth, in which the hard tissue of the tooth is chemically eroded from the tooth surface by exogenous or endogenous acids with a process in the absence of bacteria. Exogenous dietary acids including citric acid, phosphoric acid, ascorbic acid, malic acid, tartaric acid, carbonic acid have been found in abundance in fruits and fruit juices, carbonated beverages and vinegar. Corrosion in severe cases can lead to complete destruction of the tooth. Studies have shown that regularly drinking fruit juices, carbonated drinks (including sports drinks), pickles (with vinegar), citrus fruits and berries increases tooth erosion. .

* Foods that help limit tooth decay

To prevent tooth decay, we should eat according to the following recommendations: only eating less than 500g of sugar/person/month will significantly reduce the risk of tooth decay. Deeply sweet sugar substitutes and xylitol do not cause tooth decay. Low-sweet varieties are metabolized by bacteria in the mouth, but at a very slow rate, so they can be considered safe. In the future, children’s medicines that also use sugar substitutes will reduce the rate of tooth decay for children.

Use foods rich in calcium and vitamin D: Found in milk, green leafy vegetables, fish, cheese, dried beans, etc., it helps prevent tooth loss and osteoporosis in the elderly. Although in our country, the habit of eating cheese is not yet popular, but this is a rich source of calcium, when eating cheese, calcium will be released, stick to the tooth surface and work to restore the tooth surface against attack. of acid almost instantaneously.

Starch: Epidemiological studies show that starch has a low risk of causing tooth decay. People on a high-carbohydrate/low-sugar diet in general had low rates of tooth decay, while those on a low-carb/high-sugar diet had high rates of tooth decay. Cooked starches are one-third or one-half as carious as sucrose.

White starchy foods (powders that remove much of the outer coating of cereal grains) make sugars and acids firmly adherent to the teeth. Therefore, in our daily meals, we should alternate refined and coarse foods with foods high in fiber (cellulose) to make teeth strong and clean.

Vegetables: Eating foods rich in fiber will help stimulate saliva production, help clean teeth and contribute to remineralization of tooth enamel, preventing tooth decay. Eating foods that are not harmful to teeth: such as cucumber, cabbage, cauliflower, zucchini, pumpkin, eggplant, radish, carrot, melon, lettuce, etc., help clean teeth and remove plaque. lime, should only eat 200g / meal, if you eat a lot, it will cause constipation, when you eat it, you should chew it carefully.

Foods that are not good for teeth: such as bananas, dates, grapes, tomatoes, figs, figs, sweet apples, pomegranates, oranges, tangerines, kumquats, sorrel, etc. They also have many elements beneficial to the teeth such as cleaning and containing fluoride.

* Maintain oral hygiene.

Rinse your mouth immediately after eating or drinking sweets. Brush your teeth 2-3 times a day, after meals and before going to bed. Fluoride toothpaste should be used. Note that you should not brush your teeth immediately after eating and drinking fruit juice because then the enamel layer is softer due to the effect of fruit organic acids, the brush will wear away enamel. Wait about 30 minutes for the saliva to have time to recover and balance the minerals of the teeth, then brush your teeth.

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