Hello, teeth become loose: under normal circumstances, each tooth has a certain physiological activity ability to buffer chewing pressure and avoid occlusal trauma. During orthodontic treatment, it is also normal that tooth looseness increases. Moving teeth needs to rebuild alveolar bone and periodontal ligament, because teeth are fixed in alveolar bone through periodontal ligament, so teeth will become loose. 2014-1-1809: 08: 42 hello, orthodontics and plastic surgery are dental care services to prevent dental diseases. Through correction, the teeth will become neat, clean and shiny, and the teeth and gums are very beautiful. In addition, it has been widely recognized that if the orthodontic period of teeth is missed,