M andible angle fracture is a common fracture in mandible area. It's caused bythe pre cnce third molar, bone condition thinner than other region of themandible, and biomechanically this area can be considered a "lever" area. When treata mandible angle fracture we must looking for two main principles, that is reductionand immobilitation the fracture fragment. ln reduction fracture can doneby two method, that is open reduction and closed reduction. Open reduction candivisible b: twoways,that is ekstraoral and intraoral. The most common usedisekstraoral openreduction technique, but this technique can caused complications. So, in treatment must be careful.