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修复方式及粘接剂类型对牙本质粘接微拉伸强度的影响

Effect of restorative techniques and dentin adhesive on microtensile bond strength of dentin to resin
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摘要 目的 :研究不同修复方式及粘接剂类型对牙本质粘接微拉伸强度的影响。方法 :18个离体牙按牙体预备方法分为窝沟预备及冠部平切两组 ,每组分别使用One StepPlus、Primer&BondNT和SingleBond三种粘接剂进行牙本质粘接 ,最后均用AELITETMLS复合树脂修复牙体外形。样本包埋切割成块后 ,测试牙本质微拉伸强度。结果 :使用One StepPlus和SingleBond粘接剂时 ,冠部平切组微拉伸强度高于窝洞预备组 ,差异具有统计学意义 ;无论何种修复方式 ,One StepPlus和SingleBond的微拉伸强度均高于Primer&BondNT。 结论 Objective:To evaluate the effect of different restorative techniques and dentin adhesives on microtensile bond strength of dentin to resin. Method: 18 teeth were divided into two groups according to different tooth preparation method. Dentin bond strength of AELITE TMLS resin pretreated with One-Step Plus,Primer & Bond NT and Single Bond respectively were measured .Result:Flat surfaces group had significantly higher bond strengths than cavity filling group when the One-Step Plus or Single Bond were used as dentin adhesives. One-Step Plus and Single Bond led to higher microtensile bond strength thanPrimer & Bond NT in both groups.Conclusion: Retorative techniques and dentin adhesives could influence the microtensile bond strength of dentin to resin.
出处 《临床口腔医学杂志》 2005年第3期162-164,共3页 Journal of Clinical Stomatology
基金 南京医科大学科技发展基金资助项目 (NY0 30 77)
关键词 微拉伸强度 窝洞充填 牙本质粘接剂 microtensile bond strength cavity filling dentin adhesive
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参考文献6

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