Chewing green tea. Green tea is rich in catechins, fluoride, tannic acid and other ingredients, helps the teeth hard tissue protein coagulation, the formation of protective layer, relieve tooth allergy. Tannic acid also has the effect of reducing calcium dissolution each time. Take 1 gram of green tea, chew for 5 minutes, 3 times a day.
Chewing walnut. Health walnut rich in linoleic acid glycerides and calcium, phosphorus, etc., chewing will penetrate and block dentinal tubules, reduce the stimulation of the teeth of the nerve. First with salt water gargle, 20 grams of walnut into the mouth, chew 3-5 minutes, slowly swallow, every morning and evening 1 times.
Garlic rubbing teeth. Garlic containing fluoride, allicin, and tooth friction can be partially closed and open dentinal tubules, blocking the external stimulation of the teeth of the nerve. Place the garlic slices for 5 minutes and then rub the allergic teeth with garlic slices for 3 minutes, 3 times a day.
In addition, the food residue, sour fruit drinks easy to corrode the teeth, after meals with warm water or salt water mouthwash.