At present, with the improvement of implant surface treatment technology, some implant surface activity and bone bonding ability is stronger, sometimes 1 month can be taken for mold restoration. For edentulous (edentulous) patients, it is usually necessary to do immediate restoration after joint fixation of several implants. Generally, dental implants can be set about 3 months after implantation, this is for patients without bone grafting, bone conditions are better, but for some bone conditions are worse, width is not enough, height is not enough, need to do bone augmentation of patients may have to wait for more than half a year, it is best to set the teeth in more than 8 months.