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sclerotic dentin    
相关语句
  硬化牙本质
    Ultrastructural study of sclerotic dentin in non-carious cervical lesions disposed by a total-etching dentin adhesive
    牙颈部非龋性硬化牙本质经全酸蚀牙本质粘接剂处理后的超微形态
短句来源
    Ultrastructural study of non-carious cervical sclerotic dentin bonded by a all-in-one self-etch adhesive
    牙颈部非龋性硬化牙本质经自酸蚀粘结剂处理后的超微形态
短句来源
    Ultrastructural study of a self-etching adhesive to sclerotic dentin in non-carious cervical lesions
    牙颈部非龋性硬化牙本质粘接的超微形态研究
短句来源
    Ultrastructural study of sclerotic dentin in non-carious cervical lesion treated by three different etching modes
    3种酸蚀方法处理硬化牙本质表面的超微形态研究
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
更多       
  硬化牙本质
    Ultrastructural study of sclerotic dentin in non-carious cervical lesions disposed by a total-etching dentin adhesive
    牙颈部非龋性硬化牙本质经全酸蚀牙本质粘接剂处理后的超微形态
短句来源
    Ultrastructural study of non-carious cervical sclerotic dentin bonded by a all-in-one self-etch adhesive
    牙颈部非龋性硬化牙本质经自酸蚀粘结剂处理后的超微形态
短句来源
    Ultrastructural study of a self-etching adhesive to sclerotic dentin in non-carious cervical lesions
    牙颈部非龋性硬化牙本质粘接的超微形态研究
短句来源
    Ultrastructural study of sclerotic dentin in non-carious cervical lesion treated by three different etching modes
    3种酸蚀方法处理硬化牙本质表面的超微形态研究
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
更多       
  硬化牙本质
    Ultrastructural study of sclerotic dentin in non-carious cervical lesions disposed by a total-etching dentin adhesive
    牙颈部非龋性硬化牙本质经全酸蚀牙本质粘接剂处理后的超微形态
短句来源
    Ultrastructural study of non-carious cervical sclerotic dentin bonded by a all-in-one self-etch adhesive
    牙颈部非龋性硬化牙本质经自酸蚀粘结剂处理后的超微形态
短句来源
    Ultrastructural study of a self-etching adhesive to sclerotic dentin in non-carious cervical lesions
    牙颈部非龋性硬化牙本质粘接的超微形态研究
短句来源
    Ultrastructural study of sclerotic dentin in non-carious cervical lesion treated by three different etching modes
    3种酸蚀方法处理硬化牙本质表面的超微形态研究
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
更多       
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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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