The extraction of wisdom teeth is a surgery in itself, and all invasive operations can be called surgical, even the extraction of ordinary teeth in front. Wisdom teeth, which are relatively difficult to remove as part of alveolar surgery, definitely need to be counted as surgery. Especially for buried and obstructed wisdom teeth, it requires anesthesia for local gingival incision, flap, debridement, exposure, and then further blocking of the wisdom teeth, step by step extraction, followed by flap reset and suturing, the whole process is completely a surgical procedure. Wisdom tooth extraction is a surgery in itself, and sometimes a relatively less invasive one.