摘要:目的对Protaper锉预备根管的临床疗效进行评价。方法选择急慢性牙髓炎的磨牙96颗共312个根管,分为2组,分别以手用Protaper锉以冠向下法预备根管及K锉逐步后退法预备根管后冷侧压法一次性充填根管,拍片观察根管预备及充填效果,并于术后1周复诊问诊观察疼痛反应。结果根管预备效果及根充恰填率Protaper组优于K锉组,两组差异有显著性。结论Potaper手用锉是一种好的根管预备器械,可以提高根管预备质量。
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