The cost of dental implant surgery cannot be reimbursed by medical insurance, which only reimburses the cost of filling teeth and extracting teeth. Because dental implant is not covered by medical insurance, its beauty scope is the same as orthodontics, so it cannot be used for medical insurance. Dental implants have a long service life, which can be used for twenty or thirty years or even longer. Moreover, dental implant is the best way to restore chewing function, which can preserve natural teeth as much as possible. Therefore, dental implant is the best way to restore chewing function.