Tensile Bond Strength of 4-META/MMA-TBB Resin to Saliva Contaminated Teeth Using Self-Etching Primer
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概要
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The aim of this study was to evaluate the tensile bond strength of 4-META/MMA-TBB resin to enamel using a self-etching primer with saliva contamination. The polished human molar surface was etched with phosphoric acid or Megabond self-etching primer with or without saliva contamination, then bonded with Superbond C&B resin cement. The tensile bond strengths were measured after immersion in water at 37 °C for 24 hours. Without saliva contamination, there was not significantly different between phosphoric acid etching and Megabond (P>0.05). When the surfaces were saliva contaminated, using phosphoric acid etching showed decreasing in bond strength significantly (P<0.05). Comparing to using Megabond, the bond strength decreased nonsignificantly (P>0.05). The SEM showed the difference of enamel surface after phosphoric acid etching and Megabond. In conclusion, comparing the tensile bond strength, Megabond is a better candidate for etching enamel than phosphoric acid when clinical used.
- 日本大学松戸歯学部 口腔科学研究所の論文
日本大学松戸歯学部 口腔科学研究所 | 論文
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