The flesh under the teeth is also called the gums, normally light red, relatively tough, elastic, the main role is wrapped around the neck of the teeth, and the periosteum is connected to play a fixed role, so the teeth will not be loose. If the gums appear abnormal, common in the following cases: 1, gingivitis, mainly due to eat spicy food fire, do not pay attention to oral hygiene, calculus accumulation stimulation, usually morning and evening brushing, after meals, water floss rinse food debris, scaling can be improved; 2, bleeding gums, may be associated with eating hard food, trauma, toothbrush bristles are too hard, lack of vitamins. You can use a small head soft bristle toothbrush, usually can eat more oranges, kiwi supplement vitamins; 3, gum recession, because gum recession is irreversible, must pay attention to the protection of the gums, gum recession is mainly associated with chronic inflammation of the gums stimulation, so it is best to every six months to one year to the stomatology department to visit the clinic.