Dental implants have many advantages compared to traditional dentures. 1, dental implants are realistic and beautiful; 2, dental implants are stable; 3, dental implants are small and more comfortable and hygienic; 4, dental implants are excellent in restoring chewing function, so dental implants are known as the third set of human teeth after the milk teeth and permanent teeth, which do not use the method of wearing natural teeth to fix dentures and maximize the protection of patients’ healthy teeth.