Tooth separation agent has no effect on tooth loosening. Tooth separation agent refers to tooth cleaner, which is mainly used as an auxiliary material in the process of tooth correction and restoration. It has many functions such as relieving gingival swelling and bleeding, strengthening dentin and improving tooth looseness. However, it needs to be clear that tooth separation agent can not directly treat tooth looseness. Tooth separation agent mainly appears in the form of gel or liquid, and contains many effective components, such as rubber phenol, menthol, glycerol, chlorhexidine and so on. These components have antibacterial, analgesic, hemostatic and dental tissue repair functions, aiming at improving oral health. Tooth separation agent is also used to separate gypsum from gypsum, which is composed of 2 propanol and water. It is also used as an auxiliary material in the process of dental orthopedic repair, which makes two identical or different materials, materials and molds.