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KMID : 0362319950200010183
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Journal of Korean Academy of Operative Dentistry
1995 Volume.20 No. 1 p.183 ~ p.192
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Interfacial morphology between dentin and adhesives
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Abstract
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The purpose of this study was to evaluate the effect of smear layer management on the interfacial morphology between dentin bonding system and dentin.
Clearfil New bond, Scotchbond Multipurpose, Prisma Universal Bond 3 and X-R Bond were used on the cervical dentinal surfaces of bovine incisor teeth. All of the dentin bonding systems were labeled with fluorescene in primer and rhodamine B in
adhesive.
Specimens of 2∼3mm thichness were prepared by longitudinal and labiolingual sectioning. The interface between dentin bondig sytem and dentin was observed by flouresence imaging with a confocal laser scanning microscope.
@ES Following results were obtained.
@EN 1. In the specimen of Clearfil New Bond, dentinal tubules were widened by destruction of peritubular dentin in the course of treatment with phosphoric acid of high concentration.
2. Hybrid layer was observed in the specien of Scotchbond Multipurpose and X-R Bond.
3. In the specimen of Prisma Universal Bond 3, the penetraton of adhesive was not observed clearly.
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