Methods: A total of 166 underjaw impacte teeth in 100 out-patients were selected. 82 underjaw impacte teeth in 76 patients have been successfully removed by using the machine.
方法：选择门诊100例下颌阻生齿患者166颗阻生齿，采用阻生齿外科专用GW-30Z型手机辅助拔牙，76例下颌阻生齿患者82颗阻生齿采用骨凿去骨劈开牙冠配合拔牙。
Methods: A total of 166 underjaw impacte teeth in 100 out-patients were selected. 82 underjaw impacte teeth in 76 patients have been successfully removed by using the machine.
方法：选择门诊100例下颌阻生齿患者166颗阻生齿，采用阻生齿外科专用GW-30Z型手机辅助拔牙，76例下颌阻生齿患者82颗阻生齿采用骨凿去骨劈开牙冠配合拔牙。
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