An improved structure of the occluder includes a bite and a protector. The bite system provides the upper and lower teeth of the wearer to bite through the bite part. The front end of the bite is further extended with an extension part, and the front edge of the extension part is provided with a ring convex part. After the bite parts are bent and folded mutually, the bite system passes through the positioning hole of the protector and through the protector The positioning groove and the annular convex part are clasped and positioned mutually, so as to achieve the simple assembly and the effect of protecting the mouth of the wearer.一種咬合器改良結構，係包含有一咬合體及一保護體，該咬合體係透過咬合部提供配戴者之上、下顎牙齒咬合，該咬合體前端更延伸有一延伸部，而該延伸部前緣則設有一環狀凸部，該咬合體係將咬合部相互折彎對折後，穿設於該保護體之定位孔，並透過該保護體之定位槽與該環狀凸部相互卡扣定位，達到組裝簡單且具有保護配戴者嘴部之效。
