Dentures are divided into three types: removable dentures, porcelain, all-porcelain crowns and implant dentures. The movable denture is suitable for elderly patients with many missing teeth and is inexpensive, ranging from 500-3000 RMB. If the number of missing teeth in the mouth is small, fixed restorations are recommended, such as porcelain, all-porcelain crowns and implant denture restorations. Porcelain crowns contain metal crowns, depending on the metal material prices are slightly different, cobalt-chromium porcelain crowns in about 1500 yuan, pure titanium and titanium porcelain crowns need about 2000 yuan. All-ceramic crowns do not have metal materials, the main component is zirconium dioxide, ordinary domestic zirconium dioxide single crown cost in 3000-5000 yuan, imported high-end need about 8000 yuan. The price of dental implants is mainly divided into the cost of implants and the cost of the upper crowns, the widely used imported clinical implants need more than 10,000 yuan a piece, the upper crowns of implants can be restored with porcelain crowns or all-porcelain crowns.