患者男性30岁,横位埋伏阻生,拔除过程中发现根长大,紧卡于两牙之间,为避免损伤正常牙根,最佳的处理方法为
A <img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12273522_0_3.gif">冠周增隙 B
平凿劈开<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12273522_0_4.gif">牙冠与牙根 C
继续扩大骨窗 D
涡轮钻分开<img border="0" alt="" src="https://img.weimei168.com/uploads/upimg/20230804/12273522_0_5.gif">牙根与牙冠 E
关闭伤口,停止手术