The advantages of removable partial denture are as follows: 1, it is suitable for single missing teeth, multiple missing teeth, or even all missing teeth in the oral cavity, accompanied by oral soft and hard tissue loss patients can also use removable partial denture for restoration; 2, removable partial denture is relatively small damage to the dental tissues, the amount of tooth preparation is relatively small, and simply grind a notch in the teeth maxillofacial surface can be, for the dentition of the protrusion of the larger For patients with large dentition protrusion, the dentition may need some small adjustments, so compared with fixed denture, movable denture wear on the abutment teeth is relatively small; 3, the patient can take off and wear removable partial denture on their own, for some patients who need to do CT or MRI, the denture can be removed when doing the checkups; 4, the removable partial denture is very convenient for the clinical repair and maintenance. The disadvantages of removable partial denture are as follows: 1, the volume is relatively large, the patient will have a very obvious foreign body sensation when he/she wears it for the first time, and sometimes it will also affect the pronunciation or cause nausea; 2, the stability and masticatory effect of removable partial denture is not as good as that of the fixed denture, and some patients may have the phenomenon that the movable denture is moving around in their mouths, and the phenomenon of unstable, which can be seen frequently in the clinic; 3, the removable partial denture is not conducive to the oral cavity’s Self-cleaning, because after wearing in, saliva on the oral cavity is not very good, so it is recommended that patients try to take off at night, do not wear removable partial denture.