Guava with low calorie contains vitamin C, which is the highest among fruits. As we all know, vitamin C is an indispensable nutrient to keep the gums healthy. If it is seriously lacking, the gums will swell and bleed, and even the teeth will loosen or fall off.
Cheese research shows that the calcium and phosphate contained in cheese can balance the pH value in the mouth, eliminate the acidic environment conducive to oral bacterial activities, reduce tooth decay and make teeth stronger.
Green tea contains a lot of fluorine, which can combine with apatite in teeth, resist acid and prevent tooth decay. In addition, catechins in green tea can reduce the number of Streptococcus mutans causing tooth decay and remove unpleasant breath.
Onion Onion has a powerful antibacterial component-sulfur compounds. Experiments show that onions can kill many kinds of bacteria, among which fresh raw onions have the best effect.
Lentinus edodes contains lentinan, which can inhibit bacteria producing dental plaque in the mouth.
Mustard mustard with pungent smell contains an ingredient that does not exist in other cruciferous vegetables. Experiments have found that this ingredient can inhibit the reproduction of Streptococcus mutans, which causes tooth decay.
Xylitol, sugar-free chewing gum, is a low-calorie sugar substitute, which can produce a sweet taste that bacteria in the mouth do not use. Eating sugar-free chewing gum can increase saliva secretion, so that the acidity in the mouth will be neutralized and further prevent tooth decay.
Mint Mint's faint fragrance is very helpful for refreshing and reducing "bad breath". Foreign studies have found that mouthwash made of mint leaves can reduce bacteria in the mouth and relieve discomfort caused by inflammation and swelling of gums.
Water can be said that the simplest but very important way to protect teeth is to drink water. Drinking water can keep gums moist and stimulate saliva secretion.