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J Endod：使用WaveOne和WaveOne Gold Systems根管成形时产生的垂直性应力分析

2018-08-04 lishiting MedSci原创

应力垂直性根管预备WOWOG
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这篇研究的目的是为了评估拔除的牙齿在使用WaveOne (WO; Dentsply Sirona, York, PA)和WaveOne Gold (WOG, Dentsply Sirona) systems根管成形时产生的垂直性应力值差异。

这篇研究的目的是为了评估拔除的牙齿在使用WaveOne (WO； Dentsply Sirona， York， PA)和WaveOne Gold (WOG， Dentsply Sirona) systems根管成形时产生的垂直性应力值差异。研究将15颗上颌前磨牙的30个根管分为2组：WO和WOG。按照厂家的使用说明，轻柔的使用WO/WOG单根锉预备根管。记录根管预备过程中在根尖和冠方产生的垂直性应力。使用Mann-Whitney U检验评估根尖和冠方的应力峰值。使用Student t检验评估预备时间。所有统计学分析均使用SPSS software (Version 22.0； IBM， Armonk， NY)完成，显著性水平设置为5%。结果显示，每组中应力均随着器械的持续插入而增加。WO和WOG组根尖和冠方的应力峰值范围分别为2.89-11.58 N以及1.53-2.92 N。在3次插入中，WO组在根尖和冠方的应力峰值均更高。WO组根尖向的应力峰值在第一和第三次插入时要明显高于WOG组(P < .01)。WO组冠方的应力峰值在第一和第二次插入时要明显升高(P < .01)。

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    2019-01-14 ms5768352621950538

    #EMS#

    0

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    2019-02-22 wwzzly

    #Systems#

    0

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    2019-01-02 gongliu

    #system#

    0

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    2018-12-24 surilei

    #根管成形#

    0

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    2018-08-06 小刀医生

    #GOLD#

    0

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    2018-08-06 12498bb3m92(暂无昵称)

    #STEM#

    0

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    2018-08-06 zhaozhouchifen

    #根管#

    0

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    2018-08-06 jiangjun073

    #应力#

    0

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