The consequences of long-term missing teeth are mainly the following: 1, when the tooth is missing not only the integrity of the jaw and facial anatomy and facial beauty is damaged, but also chewing, swallowing, language, expression and other physiological functions will suffer different degrees of impact; 2, long-term missing teeth are not restored not only affect the aesthetics and pronunciation, affect the chewing function, but also because the neighboring teeth constantly tilt and move to the gap between the missing teeth and lead to bite disorders 3, tooth loss affects the chewing function, to nutrient-rich, fiber-rich food and vegetable intake is insufficient, and may cause a decline in biochemical indicators in the serum; 4, after a long period of tooth loss due to oral chewing function is reduced, the patient can not eat many things The patient’s digestive function and psychology will be affected, especially the restriction of the scope of diet and the inability to take in a variety of nutritious foods, thus affecting health; 5, whether young or old, long-term periodontal ill health and tooth loss will lead to memory loss, diabetes, respiratory disease and cardiovascular disease and may even lead to the occurrence of stroke.