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   Tooth sensitivity is a common name for dentin hypersensitivity or root sensitivity.If hot,cold,sweet or very acidic foods and drinks,or breathing in cold air,makes your teeth or a tooth sensitive or painful then you have sensitive teeth. Is tooth sensitivity common?     Tooth sensitivity is very common and it has been estimated that approximately half the population experiences tooth sensitivity.Tooth sensitivity can come and go over time.          Why does tooth sensitivity(Dentin Hypersensitivity)Happen?     Tooth sensitivity is usually caused by dentin on root areas exposed due to receded gums or periodontal disease.Receded gums are very common and up to four fifths of people have gum recession by the time they are 65. When the root of a tooth becomes exposes it does not have a layer of enamel like the crowns of your teeth,Instead the roots have a very soft covering called cementum,which once lost leaves the dent...

    There are three reasons for the cause of dental caries, one is the food contains high levels of sucrose, sucrose great harm to the teeth. Second, the bacteria, it and food residues on the surface of the teeth, so that sugar fermentation of acid, thus undermining the teeth of calcium and phosphorus. Third, the structure of the body itself and the occurrence of dental caries are related, such as deep pit and fissure, embedded teeth are missing, overlap each other, so that food debris is easy to stay, plug, and even suffering from dental caries.     Patients with dental caries are not treated in time, the depth of the hole, it will violate the teeth nerve, causing pulpitis. And some even spread to the roots around the organization. Severe, can cause maxillofacial swelling, pain, fever, but also lead to rheumatic myocarditis, glomerulonephritis, iridocyclitis and other systemic diseases. So early treatment is extremely important.     Caries without s...

       Fluoride toothpaste is preferred.                 Because the amount of fluoride can reduce the solubility of enamel (commonly known as enamel), enhance the structural strength of enamel crystals, enhance the hardness of teeth, and promote the remineralization of mild demineralized enamel, can play a role in the prevention of dental caries. However, if the human body intake of fluoride too much, will have a negative impact on health, it is recommended for children under 3 years of age with caution toothpaste, 4 to 6 years old children should be used under the guidance of adults, fluoride toothpaste dosage should not be too More, each time the amount of soybeans can be about.         In our daily life,we can choose the Aiyabrush toothbrush,it can make our teeth cleaner.Choosing a correct sonic toothbrush is very important for every family.           Aiyabru...