Indications for orthodontic-surgical treatment -- Clinical and diagnostic considerations -- Cephalometry in dentofacial anomalies -- Treatment objectives -- Preoperative orthodontic treatment -- Mandibular surgery -- Mandibular osteotomies -- Maxillary surgery -- Soft tissue changed following maxillary and mandibular osteotomy -- Surgical procedue selection -- Surgical planning and simulation -- Postoperative treatment -- Specific Class I dentofacial anomalies -- Complications and common errors -- Clinical cases.