6 signs your teeth are getting older

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　　1. Tooth sensitivity

　　The symptoms include eating hot, cold, sour, and sweet foods, and the teeth become extremely sensitive, causing sharp pain and soreness. The reason is that the tooth tissue on the tooth surface has been worn for a long time, resulting in nerve The closely connected deep tooth structure is exposed in the mouth, and food stimuli are transmitted along these channels to the nerves, causing pain. Therefore, first of all, we should eat less foods that are too exciting, secondly, we should use tools to eat too hard shelled foods, and we should also get rid of the habit of brushing our teeth horizontally.

　　2. Dental caries

　　As we age, the oral mucosa will shrink, causing the gums to recede and the gaps between the teeth to expand. If you don’t pay attention to your oral cavity healthy , when food is retained, bacteria will easily multiply on the teeth, increasing the incidence of dental caries. If not treated in time, it may cause pulpitis and apical periodontitis. To prevent dental caries, in addition to using fluoride toothpaste and brushing your teeth correctly, you must also learn to use dental floss. middle elderly The gaps between teeth are usually wide, and flossing can remove bacteria on the adjacent surfaces of the teeth and prevent them from continuing to damage the teeth and gums. Use a flat toothpick when flossing after a meal, and be careful not to use too much force.