Objective:To make a clinical study of the treatment of Angle’s class Ⅱdivision 1 with children who were mandibular retrognathia and malposition by using the fixed appliances in conjunction with the inclined guide plate functional orthopedic appliances. Methods:11 children were selected

alignment anterior teeth by using the fixed appliances

after making lower jaw protrusive movement by using the inclined guide plate. Results:11 children’s basifacial 1/3 were coordinated and anteroposterior position of supero-inferior lip were corrected. Conclusion:This method is useful for children who want to improve their facial contour.