Implant impression taking methods mainly include alginate impression taker, silicone rubber impression taking, scanning and then transferring to 3D printing and so on. Generally speaking, dental implants do take the mold, mainly for dental preparation, so after the dental implant implant, need to complete the second surgery, gum shape, wear teeth fully restored can be considered to take the mold, and then sent to the factory production, so as to carry out the crown restoration as well as the abutment restoration treatment. Currently on the market, dental implants mainly use alginate impression taking instrument or silicone rubber molding, but silicone rubber molding if the use of closed window type, it may produce a certain degree of error. On the clinical side, the better way of implant channel is 3D printing after scanning, but the cost is higher. It is recommended that the patient can go to the hospital and then have the implant impression processed by a specialized physician.