The third national flow tartar detection rate National 12 years old age group: 59% National 35-44 years old age group: 97.3% National 65-74 years old age group: 88.7% The national oral environment is alarming! Periodontal disease, the biggest “killer” of teeth The people generally know the danger of tooth decay, but do not know that periodontal disease is the biggest “killer” of teeth. Periodontal is the gum and alveolar bone around the teeth. If the teeth are compared to a tree, then the periodontal is the soil and water of the tree, soil and water loss, the tree will fall, no matter how tall and strong the tree is, it is useless. In our country, the prevalence of periodontal disease is very high, and more than half of the tooth extractions are due to periodontal disease. Periodontal disease is not a “minor disease”, and can even affect the health of the whole body, leading to or aggravating other diseases, such as coronary heart disease, diabetes, lung infections, etc.. Therefore, periodontal disease should not be taken lightly. Periodontal, do you really pay attention to it? Don’t regret only after losing your teeth. Oral education can’t be delayed, let’s do our part for oral education!