Methods: The root canalroot canal orifice burs and helical drilling bits were prepared in advance.
方法: 采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管.
词典释义:
pl-n. 毛边;毛口;牙钻;木钻;刺果;刺球状花序;树瘤木纹;(bur的复数)
v. 从…除去芒刺;(bur的第三人称单数)
Methods: The root canalroot canal orifice burs and helical drilling bits were prepared in advance.
方法: 采用根管口台阶状车针与螺旋型根管钻组合起来扩大根管.