Healthy teeth are the key to a flawless smile. Many people who are conscious of their teeth, do not understand why they still have tooth sensitivity, gums red, swollen and bleeding or even cavities and other problems, which may be “dental traps” at fault. Life’s most common 9 big hurt teeth misunderstanding 1, after brushing, many people like to rinse many times, in order to the mouth to stay in the toothpaste thoroughly rinsed. In fact, if the toothpaste contains allergy-relieving ingredients, it should not be rinsed too clean, just rinse your mouth once, only to let the anti-sensitive ingredients stay on the surface of the teeth in order to play a role. But if it is ordinary fluoride toothpaste is no big deal. 2, as we all know, carbonated beverages are harmful to the teeth, many people think that drinking with a straw can reduce the contact between soda and teeth, thus reducing the risk of tooth decay. In fact, the bacteria in the mouth also like to use the sugar of soda as food, thus producing acid, and the high acidity in the mouth will also make the enamel on the surface of the teeth dissolve and lose. Therefore, even if you switch to a straw, the soda will still stay in your mouth, so it won’t help much. People with cavities and many fillings should also drink less soda and beverages with high sugar content. 3, brushing your teeth immediately after a meal hurts your teeth. Especially after ingesting soda, red wine, kiwi and other foods with high acidity, tooth enamel will soften after contact with acid, and if you brush your teeth immediately, they will be easily abraded. In fact, if the brush thoroughly, morning and evening brush once already enough, other time without brushing; if you need to brush your teeth after eating, you may want to rinse your mouth with water, wait 15 minutes, to be balanced in the mouth of the acidity and alkalinity of the mouth before brushing. 4, toothpick tip part of the short, may not be able to remove the teeth deeper position of the debris and plaque, if the use of too much, too strong, will make the teeth bigger, damage to the gums. The most reasonable method is to use dental floss, if the age of older, gum recession, the gap is too large, dental floss may not be able to completely remove plaque in the gap, can be used with the gap brush. 5, many people chew gum from morning to night, that can clean the mouth, eliminate breath. But need to pay attention to chewing gum there is no sugar, if long time chewing sugary gum, the bacteria in the mouth will be used as food, release acidic substances, erosion of teeth. Sugar-free gum using xylitol is not easy to be decomposed by bacteria, the chances of producing acidic substances will be greatly reduced, but also to stimulate saliva secretion, neutralize the oral pH, reduce bacterial growth. 6, some people are lazy to brush their teeth, think with mouthwash can also play the purpose of cleaning the mouth, in fact, not. When brushing, the physical friction of the toothbrush is vital for removing plaque, only mouthwash gargling, plaque efficacy is limited, can not replace the brushing. In addition to braces, suffering from tooth decay and oral inflammation of people, need to use short-term, the general public does not need to use mouthwash. 7, many people have red and swollen gums, love to drink herbal tea to reduce the fire. In fact, red and swollen gums, may not be on fire, may also be the precursor of periodontal disease, especially when the redness and swelling continued, teeth began to loosen, brushing gums often bleed, pay more attention. 8, night mouth into the dry period, saliva secretion is reduced, the mouth is easy to breed bacteria, is not conducive to dental health, but also produce breath. If you need to go to bed late or stay up late, you may want to drink more water to keep your mouth moist. 9, often eat sticky food, easy to make the bacteria into the hidden location of the mouth, these parts are often difficult to clean, so it is easy to lead to the growth of bacteria in the mouth. In severe cases, it may also make the teeth rupture.