4.We chose nonextraction therapy to distalize maxillary second molars with facebow and headgear.The final result were excellent occlusal relationship and improved facial esthetic.
5.Methods Seven patients with fractures of the jaw had procedures performed to recover the occlusal relationship by using an edgewise-appliance as a dental arch epithesis.
方法利用方丝弓矫治器作为弓夹板对颌骨外伤患者进行术中颌关系复位、术颌关系调整,观察其效。
6.Molar relation changed from class II to class I relationship;Anterior overjet and overbite are normal;Good occlusal intercuspation is also achieved.