[Case report of maxillary protrusion].

The patient, a 10-years and 7-month-old boy, demonstrated maxillary protrusion (a pseudo class I malocclusion) complicated by horizontal open bite, space defect of 5 5, and represented that point A was +3.0 mm, pogonion was -8.0 mm to McNamara line respectively. His 4 first premolars were extracted and he was treated with an edgewise appliance together with a high pull head gear, palatal bar, class III elastics, class II elastics and up-down elastics for 3 years. A functional occlusion and good profile was obtained with good growth, chin control and tooth movement.