摘要:目的评价ProTaper镍钛锉预备磨牙根管的临床效果。方法选取96颗患有牙髓炎的磨牙,随机分为两组,分别使用ProTaper镍钛锉和不锈钢K锉预备根管,使用侧压法充填根管,记录器械分离数和术后疼痛例数,根据X线片评价根管预备效果。结果两组器械预备根管后,ProTaper组根管形态良好率为91.9%,不锈钢K锉组为51.1%,两者差异有统计学意义。ProTaper组术后疼痛反应的比例明显低于不锈钢K锉组(P〈0.05)。两组器械分离数的差异无统计学意义。结论 ProTaper预备磨牙根管的成形效果好,术后疼痛反应少。
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