【Abstract】Objectives: To evaluate clinical effect of dental orthodontic as of headgear facebow higher traction on middle to severe crowded dentition with high-angle Methods: 18 patients with middle to severe crowded dentition besides high-angle were applied with headgear facebow higher traction and reinforcement on molar anchorage, while height of molar teeth should be managed and corrective treatment as exodontia combining with fixed Results: 18 cases got appropriate arrangement, facial forms of such cases remained the same or got well beautified, relation between molar and canine teeth reached middle level and, mandibular plane angle (MPA) kept unchanged or Conclusions: Treatment with headgear facebow for middle to severe crowded dentition with high-angle cases could manage height of molar teeth and reinforce molar 【Keywords】headgear facebow, crowded dentition, high-angle供参