Conclusion the combined application of sonic and hand file instrumentation was conduced to improve the effect of rootcanalpreparation.
结论声波器械和手用器械的联合应用,有助于提高根管预备的效果。
2
Rootcanalpreparation with nickel titanium alloy engine file.
镍钛合金机用锉根管预备。
3
Objective: To compare the clinical effects after rootcanalpreparation with hand use stainless steel file, nickel titanium alloy engine file and rootcanal ultrasonic file.