Methods: 24 patients whose teeth exhibiting severe dental fluorosis and who need orthodontics were chosen, and there were all 444 teeth that orthodontic brackets should be bonded to.
Methods: 24 patients whose teeth exhibiting severe dental fluorosis and who need orthodontics were chosen, and there were all 444 teeth that orthodontic brackets should be bonded to.
方法选取24例重度氟斑牙需要进行正畸的患者，共444颗需要粘结托槽的牙齿。