According to the length of wearing time, the occlusal splint can be divided into two types: temporary occlusal splint and permanent occlusal splint. According to the different treatment effects, it can also be divided into loose bite splint, stable bite splint, repositioning bite splint, pivot bite plate, adjustable bite plate, posterior bite plate, soft elastic bite plate, hydrostatic bite plate , NTI-tss occlusal plate nine types. The most commonly used bite plates in clinical practice are stable bite plates, loose bite plates and repositioning bite plates.