摘要:目的:评价ProTaper手用根管锉预备磨牙根管的临床疗效。方法:将50颗磨牙共160个根管随机分为两组:实验组采用ProTaper手用根管锉冠向下预备根管,对照组采用不锈钢K锉逐步后退法预备根管。两组均采用侧方加压充填法充填根管,用X线片评价根管预备及根充的效果。结果:ProTaper手用根管锉能较好地维持根管的形态,操作时间短,根管预备后疼痛发生率低。结论:ProTaper手用根管锉预备磨牙根管安全、有效,节省时间,临床应用价值较高。
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