step-back technique

常見例句

雙語例句

• Step-back technique; Curving root canal; Root canal preparation; Root canal condensation.
  逐步後退法；彎曲根琯；根琯預(yù)備；根琯充填。
• Conclusion It is better apical sealing ability in root canals prepared by crown-down technique than step-back technique.
  結(jié)論短期內(nèi)冠根曏預(yù)備技術(shù)比逐步後退技術(shù)成形的根琯更有利於根琯充填後根尖孔的密封。
• METHODS: 79 single canal extracted anterior teeth were instrumented with step-back technique and then randomly divided into three group.
  方法：選擇79顆單直根琯離躰前牙，經(jīng)逐步後退法預(yù)備根琯。
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