Normal wisdom teeth can be retained in the oral cavity to perform chewing functions without extraction, and can also be used as abutments or grafts for restorative treatment in the event of tooth loss, as described below. Normal wisdom teeth mean that the wisdom teeth are in normal position, the occlusal relationship with the opposite teeth is normal, and there is no disease in the wisdom teeth and the surrounding hard and soft tissues, and the wisdom teeth that meet the above conditions can be retained in the mouth to perform chewing functions. In the case of tooth loss, wisdom teeth can be used as abutments for fixed dentures or removable partial dentures to provide support and retention for the denture. Wisdom teeth can also be used as grafts to replace missing teeth after complete extraction. It is recommended to visit a regular medical institution to receive professional treatment.