Because people eat too carefully now, their jaws can't be effectively stimulated, their teeth are too crowded, or they are too sparse, so people choose orthodontics for more effective chewing and aesthetics, that is, to correct their teeth. Regular and correct orthodontics is harmless, just pay attention to the contraindications and precautions after orthodontics. In particular, more attention should be paid to the daily care in the correction process, and some antibacterial toothpastes can be used, such as Crest health expert series toothpaste containing stannous fluoride, a professional dental ingredient.