Dental implant technology is a new subject in stomatology in recent years. Implanting implant materials into alveolar bone is a method of beauty crown's restoration. After being implanted into the gum, it is not only beautiful in appearance and natural in color, but also feels like a tooth. With the development of implant technology, all patients with tooth defect or dentition loss can restore their teeth and restore their function and beauty through dental implants. Dental implants are especially suitable for people with missing teeth: first, people with missing front teeth implant teeth, just like the original teeth, including roots and crowns. Successful dental implants have no trace in appearance, and are more functional because they have roots, so they are especially suitable for people with missing front teeth. Traditional dentures must rely on healthy adjacent teeth with missing teeth. Therefore, if patients with missing anterior teeth are restored with traditional denture, there will be obvious leakage of two clasp, which will seriously affect the aesthetic effect of tooth restoration. Second, people with missing teeth, such as single tooth, multiple teeth and complete teeth, are all suitable for dental implants. Patients with single missing tooth can restore tooth function by planting teeth without harming healthy adjacent teeth. For patients with multiple missing teeth and complete missing teeth, dental implants are a perfect restoration scheme in both appearance and function. Third, people who have been missing teeth for a long time are likely to cause alveolar bone absorption to varying degrees. The absorption of alveolar bone makes the traditional denture with clasp and base difficult to wear. Patients who wear traditional dentures have poor retention and cannot give full play to the chewing function of dentures, so they need dental implants to restore their normal chewing function. Fourth, people without healthy adjacent teeth around missing teeth have traditional dentures with base and clasp, which need the fixation and restoration of healthy adjacent teeth around them. Therefore, if there are no healthy adjacent teeth around the missing teeth, it is impossible to install traditional dentures, and it is necessary to restore the function of teeth by planting teeth. In addition, the traditional denture base and clasp are fixed on healthy adjacent teeth, which share part of the bearing capacity of the prosthetic denture, and will also have a certain impact on healthy teeth over time. Therefore, dental experts suggest that dental implants with independent roots should be selected as far as possible to protect healthy adjacent teeth.