The 30-year-old adult has a large area of missing back teeth, you can choose two types of restorations, one is the conventional movable denture restoration, which is commonly known as removable dentures, this restoration is simpler, the price is also more economical. However, this type of restoration has high requirements for patients, requiring them to remove and clean the denture every day, and it has a certain impact on the bite function of the person, as the bite of the removable denture is much lower than the normal bite, and lower than the bite of the fixed denture. The other type of restoration is the implant denture, which involves the placement of implant pins on the corresponding lost tooth cavity, followed by the placement of further fixed teeth on the pins.