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- W2384693232 abstract "Objective:To compare the effects of different pit and fissure sealant treatment on surface topography and the enamel-sealant interface.Methods:Eighteen extracted human caries-free permanent molars were randomly assigned to six groups,three teeth per group.Each group was treated differently as following:Group1:cleaning with a slow-speed cup-shaped brush followed by acid etching;Group 2:enamoplasty using No.1/4 round bur plus acid etching;Group 3:enamoplasty using pointed diamond No.230 bur and acid etching;Group 4:ultrasonic cleaning and acid etching;Group 5:slow-speed cup-shaped brush and self-etching primer;Group 6:high-speed handpiece with No.1/4 round bur combined with self-etching primer.The Estiseal F sealant was placed on the occlusal surface after the treatment according to the instruction.The enamel-sealant interface morphology and intergration was examed using Scanning Electron Microscopy after sectioning.Results:The slow-speed cup-shaped brush and the ultrasonic cleaning cannot remove the bacterial plaque in the pit and fissure completely and the intimate enamel-sealant interface was compromised.The interface sealing effects of 1/4 round bur was better than pointed diamond.The sealing effect of self-etching was inferior to the traditional phosphate etching technique.The gap on the enamel-sealant surfaces compromised the sealing effects and eventually decreased the defense against cariogenic challenge.Conclusions:These results suggest that the sealing effect of the enamel-sealant interfaces using 1/4 round bur and acid etching are better than other methods,providing improved caries resistance in the pit and fissure and adjacent enamel surface." @default.
- W2384693232 created "2016-06-24" @default.
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- W2384693232 date "2011-01-01" @default.
- W2384693232 modified "2023-09-23" @default.
- W2384693232 title "Comparison of surface topography and enamel-sealant interface using different pit fissure treatments:an invitro study" @default.
- W2384693232 hasPublicationYear "2011" @default.
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