摘要:目的评价用ProTaper预备弯曲根管的临床疗效.方法选取有弯曲根管的牙髓炎和根尖周炎病例的68颗患牙,试验组用机用镍钛器械ProTaper预备根管,对照组用K锉、逐步后退技术预备根管,两组均用侧向加压充填法充填根管,根据治疗前、中、后的X线片评价根管预备和充填的效果.结果试验组无根管偏移、根尖阻塞、台阶形成等并发症发生,能维持根管的弯曲度和走向,对照组2例有台阶形成,根管偏移的发生明显多于试验组(P<0.01);试验组操作时间短,且少有术后疼痛的发生.结论 ProTaper预备弯曲根管快速、安全、成形效果好,可视为临床上预备弯曲根管的有效方法.
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