"It is a very thick wall," she acknowledged as she inspected it, hammer and chisel in hand.
“这是一堵非常厚实的墙”，手中拿着锤头和凿子，她承认道。
Methods: 524 cases of impacted mandibular third molars were extracted with air turbine handpiece or chisel, in which 131 cases happened complications during operation or post-operation.
方法：回顾分析我科分别用涡轮机钻法和凿劈法拔除的524例下颌第三磨牙阻生病例中，出现术中或术后并发症的131例病例。
Methods: 150 cases of turbine drill -assisted extraction were compared with orthodox chisel in their reaction after surgical time and the situation of complication.
方法：对150例应用高速涡轮机辅助拔牙的临床观察，与传统的锤凿法相对比，观察其手术时间及术后反应的情况。
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