Girin Plastic Surgery Clinic Review Surgery - New V-Line (Jaw reduction) The patient had square mandibular angle and U-shaped chin tip. He want to reduce his facial shape through New V-Line (Jaw reduction) procedure. After New V-Line (Jaw reduction), he got smooth facial shape. Different with other jaw reduction procedure, New V-Line is possible to correct both square jaw and chin at once without T-osteotomy and fixation for creating V-Line without further surgery on the chin tip. Also, it requires short recovery period, and less risky from side effect such as nerve damage.