英文摘要 |
This 23-year-old female presents with skeletal Class III malocclusion, complicated by prominent chin projection, bilateral posterior lingual cross-bite, missing of bilateral maxillary first molars, and severely lingualtilted lower second molars. The treatment modality was conventional edgewise appliance with bilateral lower first premolar extraction. A favorable result of ideal overbite and overjet and correction of bilateral posterior cross-bite were achieved. The patient was satisfied the improvement of function and esthetics after treatment. |