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sclerotic dentin
相关语句
  硬化牙本质
     Conclusions:Bonding to sclerotic dentin is different from that to sound dentin, and may be compromised by the fewer resin tags.
     结论:硬化牙本质的粘结特性与正常牙本质存在差异。 树脂突的数量及长度不足可能影响硬化牙本质的粘结。
短句来源
     Conclusion:The micro-tensil bond strengths of four dentin adhesives to sclerotic dentin is different, the bond strengths of Xeno Ⅲ group was lower than the other three adhesives(P<0.01=.
     结论:4种粘接剂对硬化牙本质粘接强度存在差异,XenoⅢ最低(p<0.01),其余3种粘接材料两两比较无显著差异(p>0.05)。
短句来源
     After restoration the resin tags were fewer and shorter in sclerotic dentin than those in sound dentin.
     硬化牙本质与树脂的粘结界面可见到树脂突,但与正常牙本质比较,树脂突的数量较少、长度较短。
短句来源
     Conclusion: Bonding to sclerotic dentin is different from sound dentin, and may be compromised by the fewer resin tags and communications.
     结论 :硬化牙本质的粘接特性与正常牙本质存在差异。 树脂突的数量及交通枝不足是硬化牙本质粘接强度受限的可能因素。
短句来源
     Results μTBS of Seotchbond and Contax to sclerotic dentin was significantly lower than to normal dentin. But μTBS of Adper Prompt L-Pop to normal dentin was significantly lower than to sclerotic dentin,μTBS to sclerotic dentin was Scotchbond 46.805 MPa,Adper Prompt L-Pop 39.045 MPa,and Contax 29.852 MPa.
     结果粘接剂 A、B、C 粘接硬化牙本质的微拉伸粘接强度分别为46.805 MPa、39.045 MPa、29.852 MPa。 粘接剂 A 和 C 与硬化牙本质的微拉伸粘接强度低于正常牙本质,而粘接剂 B 与之相反,差异有统计学意义(P<0.05)。
短句来源
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  “sclerotic dentin”译为未确定词的双语例句
     Micro-tensile bond strength to sclerotic dentin in non-carious cervical lesions
     三种粘接剂粘接不同牙本质的微拉伸粘接强度比较
短句来源
     In cervic al sclerotic dentin, significantly higher results were obtained with AllBond 2 . In cariesaffected dentin, significantly lower results were obtained with Xen oⅢ.
     SD上全酸蚀和自酸蚀系统的微拉伸强度差异无显著性,XenoⅢ在CAD上的粘接强度较低,CSD中All-Bond2粘接强度较高;
短句来源
     Conclusion: The totaletch adhesives evaluated produced different bond strength to self etching systems in normal, cariesaffected and cervical sclerotic dentin. It wa s recommended that dentin adhesive agent should be used according to the typ e of dentin and the clinical situation.
     结论:不同类型牙本质与全酸蚀和自酸蚀粘接系统粘接强度不同,临床上应根据不同的牙本质类型及实际情况选择合适的粘接系统。
短句来源
     Results:In sclerotic dentin (15 s) , the hybrid layer was visible, with minimal resin tags in the dentinal tubules and, when presented, they were shorter.
     结果:15 s组粘接界面可见混合层,牙本质小管内的树脂突短小。
短句来源
  相似匹配句对
     Micro-tensile bond strength to sclerotic dentin in non-carious cervical lesions
     三种粘接剂粘接不同牙本质的微拉伸粘接强度比较
短句来源
     Effect of acid etching time on bonding interface of non-carious cervical sclerotic dentin
     酸蚀时间对牙颈部非龋性硬化牙本质粘接界面形态的影响
短句来源
     Effects of fluoride on dentin
     氟对牙本质作用的研究进展
短句来源
     and with the depth of the restorative pin into the dentin.
     且与固位钉攻入牙齿的深度无关
短句来源
     sclerotic margin(17/34);
     硬化缘(17/34);
短句来源
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  sclerotic dentin
The same method was used in attempting to determine the etching rate of the mineral deposits found in the tubule lumens of the sclerotic dentin.
      
Another type of product is based on the fact that sclerotic dentin has dentinal tubules that are completely occluded by mineral deposits.
      


Objective: To examine the ultrastructure of resin-infiltrated sclerotic dentine following the application of a three-step total-etching dentin adhesive. Methods: Naturally-occurring, non-carious cervical lesions on extracted premolars were bonded using a total-etching dentin adhesive-Scotchbond Multi-purpose. Artificially prepared wedge-shaped lesions were also made in sound premolars and restored using the same adhesive as control. The morphological change of the dentin surface conditioned...

Objective: To examine the ultrastructure of resin-infiltrated sclerotic dentine following the application of a three-step total-etching dentin adhesive. Methods: Naturally-occurring, non-carious cervical lesions on extracted premolars were bonded using a total-etching dentin adhesive-Scotchbond Multi-purpose. Artificially prepared wedge-shaped lesions were also made in sound premolars and restored using the same adhesive as control. The morphological change of the dentin surface conditioned with the etchant, and the hybrid zone and resin tags in the dentin-resin interface were studied by SEM . Results: Most dentinal tubules were obliterated by rod-like sclerotic casts in the non-carious cervical lesion, and could not be dissolved by Scotchbond Multi-purpose etchant.Both the hybrid zone and resin tags were observed in sclerotic dentin after restoration, although the resin tags were fewer and in lack of communications, the length of resin tags and the thickness of the hybrid zone were almost similar to those of the sound dentin. Conclusion: Bonding to sclerotic dentin is different from sound dentin, and may be compromised by the fewer resin tags and communications.

目的 :本研究采用扫描电镜观察牙颈部非龋性硬化牙本质经全酸蚀牙本质粘接剂处理后树脂—牙本质界面的超微结构变化。方法 :实验组选择因牙周病拔除的有典型牙颈部非龋性缺损的天然双尖牙 ,使用全酸蚀牙本质粘接剂ScotchbondMulti purpose处理硬化牙本质表面 ,并用树脂修复缺损。对照组为正畸拔除的正常双尖牙 ,人工机械制备牙颈部楔形缺损。扫描电镜观察酸蚀处理后硬化牙本质表面的超微形态改变 ,以及树脂粘接修复后树脂 -牙本质界面的混合层和树脂突的微观表现。结果 :牙颈部非龋性硬化牙本质表面的牙本质小管大部分被柱状的矿化结晶体堵塞。全酸蚀粘接剂ScotchbondMulti purpose不能酸蚀掉小管内的矿化结晶 ,粘接修复后 ,硬化牙本质与树脂的界面可见到清晰的混合层和树脂突 ,混合层的厚度和树脂突的长度与正常牙本质相似 ,但树脂突的数量较正常牙本质少 ,树脂突之间交通枝少见。结论 :硬化牙本质的粘接特性与正常牙本质存在差异。树脂突的数量及交通枝不足是硬化牙本质粘接强度受限的可能因素。

Objective To examine,in vitro study,the ultrastructure of resin-infiltrated sclerotic dentine following the application of a two-step self-etching dentin adhesive. Methods Non-carious,natural cervical sclerotic lesions were bonded using Contax(DMG Hamburg,Germany),a self-etching dentin adhesive.Artifically prepared wedge-shaped lesions were also made in sound bicuspids and bonded using the same adhesive as controls.By SEM examination,the morphological change of the dentin surface treated...

Objective To examine,in vitro study,the ultrastructure of resin-infiltrated sclerotic dentine following the application of a two-step self-etching dentin adhesive. Methods Non-carious,natural cervical sclerotic lesions were bonded using Contax(DMG Hamburg,Germany),a self-etching dentin adhesive.Artifically prepared wedge-shaped lesions were also made in sound bicuspids and bonded using the same adhesive as controls.By SEM examination,the morphological change of the dentin surface treated by Contax Primer,and the hybrid layer and resin tag in the dentin-resin interface were studied. Results Most dentinal tubules were occluded by rod-like sclerotic casts in the sclerotic dentin surface.Both hybrid layer and resin tag were observed in sclerotic dentin.The hybrid layer was almost similar to that in the sound dentin,but the resin tags were shorter than those in controls. Conclusions Bonding to sclerotic dentin is different from sound dentin and may be compromised by occluded dentin tubules.Based on the present ultrastructural features of hybrid layer and resin tags,the Contax,a self-etching dentin adhesive with a low pH value primer,may have some bonding efficacy to sclerotic dentin.

目的观察牙颈部非龋性硬化牙本质经自酸蚀牙本质粘接剂处理后,树脂牙本质界面的超微结构。方法选择有典型牙颈部非龋性缺损且因牙周病拔除的上颌前磨牙,使用两步法的自酸蚀粘接剂Contax粘接处理。扫描电镜观察硬化牙本质表面超微形态以及树脂牙本质界面的混合层和树脂突的微观表现。结果硬化牙本质的牙本质小管大部分被柱状的矿化结晶体堵塞。粘接界面也可见到清晰的混合层和树脂突,但树脂突较短。结论硬化牙本质的粘接与正常牙本质存在差异,牙本质小管内的矿化结晶可能影响粘接效果。自酸蚀粘接剂对硬化牙本质具有一定的粘接能力。

Objective To examine the ultrastructure of the surface of sclerotic dentin in non-carious cervical lesions treated by three different etching modes. Methods Naturally-occurring, non-carious cervical lesions on extracted premolars were treated separately using 15% phosphoric acid for 15 seconds,35% phosphoric acid for 15 seconds or a self-etching primer Adper Prompt L-Pop for 15 seconds. Artificially prepared wedge-shaped lesions were also made in sound premolars and treated by the same three etchants as...

Objective To examine the ultrastructure of the surface of sclerotic dentin in non-carious cervical lesions treated by three different etching modes. Methods Naturally-occurring, non-carious cervical lesions on extracted premolars were treated separately using 15% phosphoric acid for 15 seconds,35% phosphoric acid for 15 seconds or a self-etching primer Adper Prompt L-Pop for 15 seconds. Artificially prepared wedge-shaped lesions were also made in sound premolars and treated by the same three etchants as control. The morphological change of the dentin surface conditioned with the etchants were studied by SEM. Results Most of the dentin tubules of sclerotic dentin were occluded by rod-like crystal casts, and all of the three etching modes in this study were unable to effectively dissolve the sclerotic casts. Conclusion The surface structure of sclerotic is quite different from that of normal dentin. Bonding to sclerotic dentin may be compromised by the occluded dentin tubules. The etching ability of the self-etching primer Adper Prompt L-Pop is weaker than those of 15% and 35% phosphoric acid.

目的采用3种不同的酸蚀方法处理牙颈部非龋性缺损中的硬化牙本质,比较其表面超微形态的变化。方法选择15颗因牙周病拔除具有典型牙颈部非龋性缺损的天然前磨牙作为实验组,同时选用15颗拔除的冠根完好的前磨牙,人工机械预备牙颈部楔状缺损作为对照组。实验组和对照组各随机分成3组,分别采用15%磷酸处理30s、35%磷酸处理15s、自酸蚀处理剂AdperPromptL-Pop处理15s。扫描电镜观察表面形态的变化。结果硬化牙本质的大部分牙本质小管内可见柱状的矿化结晶体。3种酸蚀处理均不能去除牙本质小管内的硬化结晶体。结论硬化牙本质的表面结构与正常牙本质存在差异,其牙本质小管内堵塞的矿化结晶体可能对黏接产生影响。自酸蚀处理剂AdperPromptL-Pop的酸蚀脱矿能力低于15%和35%的磷酸。

 
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