旋转齿;回转齿
Methods: 80 extracted human teeth with single root were prepared using Profile rotary instruments, stainless steel ( SS) RT hands files, shaper sonic files, ultrasonic K files and filled with traditional lateral condensation and warm gutta percha lateral condensation respectively.
方法:本实验采用机动镍钛器械Profile、手用不锈钢器械、声波及超声波器械预备80颗人单根管离体牙后,分别以传统侧压和热侧压充填根管。
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