step back

释义

后退，退居不重要的部位；退坡儿；退后；却

Step Back
Step Back
Step Back
An in vitro comparison of the efficacy of the step-back technique versus a step-back/ultrasonic technique in human mandibular molars.
An in vivo comparison of the step-back technique versus a step-back/ultrasonic technique in human mandibular molars.
Comparison of balanced forces, endosonic, and step-back filing instrumentation techniques: quantification of extruded apical debris
An in vitro comparison of the step-back technique versus a step-back/ultrasonic technique for 1 and 3 minutes * **
An in vitro histological comparison of the step-back, sonic, and ultrasonic instrumentation techniques in small, curved root canals
Problem-based learning--time to step back?
An in vivo evaluation of the efficacy of ultrasound after step-back preparation in mandibular molars.
An in vitro comparison of the efficacity of the step-back technique in human mandibular molars
Shaping of simulated root canals in resin blocks using the step-back technique with K-files manipulated in a simple in/out filling m...
Apical Extrusion of Intracanal Debris Using Two Engine Driven and Step-Back Instrumentation Techniques: An In-Vitro Study