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Double jaw surgery is a name given to the fact that it involves surgery on the upper and lower jaws at the same time. Surgery on only one side of the jaw is called single jaw surgery, and surgery on both the upper and lower jaws is called double jaw surgery. The purpose of double jaw surgery is to correct the deformed positions of the upper and lower jaws, thereby improving malocclusion that cannot be treated with orthodontic treatment alone, and improving abnormal facial appearance. However, since it is a risky surgery, there are many things to be careful about. Let's take a look at various double jaw surgery cases through CG. #Double jaw surgery #Master #Plastic surgery 0:00 Introduction 0:59 Jaw deformation 4:12 Double jaw surgery for a patient with mandibular prognathism 7:36 Structure and function of the jaw 8:28 Side effects of double jaw surgery 8:55 Why pre-orthodontic treatment is necessary 10:07 Double jaw surgery for patient Song-i Han (pseudonym) 11:01 Double jaw surgery for a patient with mandibular recession