Dental implants are usually made of the following materials: 1. implants: mainly made of pure titanium, ceramics, composite metals, etc., with a surface spray of hydroxyapatite, etc., which helps to form a stable osseointegration with the surrounding tissues. 2. periosteum and bone powder: including autologous bone, allogeneic bone, bioceramics, hydroxyapatite, calcium sulfate, etc., which can increase the width and height of the alveolar bone and promote the continuous formation of new bone in the surrounding alveolar bone. 3. cover Screws: Can close the neck of the implant and prevent the surrounding granulation tissue from growing in. 4.Taking posts and substitutes, etc.: Can assist in making clear impressions and producing a precise denture. 5.Central screw: Can connect the crown to the implant and exercise the chewing function. 6.Porcelain or all-ceramic crowns: Can restore the missing teeth and maintain the integrity of the dentition.