The methods of dental prosthesis mainly include fixed denture restoration, removable denture restoration, implant denture restoration, which all have their own advantages and disadvantages and indications. Fixed denture restoration has the advantages of small size, no foreign body sensation, high chewing efficiency, aesthetics, comfort, etc. The disadvantage is that it needs to prepare the neighboring teeth at both ends of the missing teeth as abutments, which will destroy the neighboring teeth on both sides. The advantage of removable denture repair is that the abrasion of the abutment teeth is less, less destruction, a wide range of indications, can be applied to a variety of dental defects, but the removable denture has a large volume, a large sense of foreign body, chewing efficiency is low, and unattractive. Implant denture is the best way to repair missing teeth in clinical practice, the advantage is that it does not destroy neighboring teeth, beautiful, comfortable, no foreign body sensation, high chewing efficiency, but the disadvantage is that the cost is higher.