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镍钛与不锈钢器械预备根管的比较研究 被引量:2

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摘要 目的:观察比较手用不锈钢锉和镍钛合金机用锉预备根管的临床效果。方法:选择牙髓炎需进行去髓术的病人384例,随机分成手用不锈钢锉预备根管组(不锈钢组)、镍钛合金机用锉预备根管组(镍钛组)各192例,比较观察2组器械预备根管的临床效果。结果:①镍钛组预备后根尖偏移、根尖孔敞开等不良结果比不锈钢组显著减少(P<0.001)。②镍钛组平均弯曲度为28.8°±8.5°,显著高于不锈钢组平均弯曲度21.5°±5.5°(P<0.001)。③镍钛组预备根管的时间平均为(20.5±2.5)min,显著少于不锈钢组(30.5±5.5)min(P<0.001)。结论:应用镍钛合金机用锉预备根管,成形效果好,并发症少,操作时间短,具有良好的临床应用前景。
作者 何孔文
出处 《牙体牙髓牙周病学杂志》 CAS 2006年第10期586-587,共2页 Chinese Journal of Conservative Dentistry
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共引文献24

同被引文献31

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