摘要:目的观察Protaper手用镍钛锉预备乳磨牙根管的临床疗效。方法选择4~8岁需做根管治疗的患儿160例,乳磨牙160颗,随机分为Protaper手用镍钛锉冠向下法备根组80颗,手用不锈钢K锉逐步后退法备根组80颗,均用注射型Metapex糊剂根充,术后即刻拍片评价根充成功率,术后3 d回访评价疼痛率。结果 Protaper组疼痛率3.75%,不锈钢K锉组疼痛率15.00%(P〈0.05),差异有统计学意义。Protaper组成功率95%,不锈钢K锉组成功率83.75%(P〈0.05),差异有统计学意义。结论 Protaper手用镍钛锉预备乳磨牙根管疼痛反应轻,快捷高效,临床疗效优于手用不锈钢K锉,值得临床推广。
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