45 years old extracted teeth, if it is wisdom teeth is not necessary to plant, normal teeth is necessary to do missing teeth repair, can be dental implants, can also do denture repair. 1. Wisdom teeth: 45 years old, the removal of wisdom teeth is not necessary dental implants, wisdom teeth is the last molar, with the evolution of mankind, jawbone gradually shrinking, wisdom teeth obstruction, resulting in food inlays, due to its neighboring teeth caries or peri-coronary inflammation, extraction does not affect the function of mastication, it is generally recommended to remove as soon as possible do not need to do any restoration. 2. Teeth other than wisdom teeth: 45 years old, if the extraction of teeth other than wisdom teeth, due to caries or periodontal disease, caused by large areas of missing teeth, loose teeth can not be retained, need to be extracted for the restoration of missing teeth, restoration of dental implants or dentures, so as to avoid a long period of time missing teeth, teeth tilt on both sides and the opposite jaw teeth elongation, affecting the chewing function of the teeth. Whether or not dental implants are needed when teeth are extracted at the age of 45, it is necessary to consult a doctor in time to listen to the doctor’s advice in order to avoid adverse consequences.