All of the large teeth inside are missing can also be set, but this kind of defect solution generally can not be applied to fixed bridge repair, then the two restorative options are movable restoration and implant restoration. The movable restoration is the usual removable dentures, which are relatively easy to make and less expensive, but require the patient to take them off and on every day, making cleaning more troublesome, and the bite force is not particularly good. There is also a clinical restoration method for this case is implant prosthesis, which can be placed in the corresponding defective area and restored by applying a fixed bridge on the implant, which can achieve a better clinical restoration effect, but the cost is relatively expensive.