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Effect of rotary cutting instruments on the resin-tooth interfacial ultra structure: an in vivo study

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Effect of rotary cutting instruments on the resin-tooth interfacial ultra structure: an in vivo study

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dc.contributor.author Sherawat, Sudhir es
dc.contributor.author Tewari, Sanjay es
dc.contributor.author Duhan, Jigyasa es
dc.contributor.author Gupta, Alpa es
dc.contributor.author Singla, Rakesh es
dc.date.accessioned 2015-01-20T09:05:32Z
dc.date.available 2015-01-20T09:05:32Z
dc.date.issued 2014 es
dc.identifier.citation Sherawat, Sudhir ; Tewari, Sanjay ; Duhan, Jigyasa ; Gupta, Alpa ; Singla, Rakesh. Effect of rotary cutting instruments on the resin-tooth interfacial ultra structure: an in vivo study. En: Journal of Clinical and Experimental Dentistry, 2014, Vol. 6, No. 5: 467-473 es
dc.identifier.uri http://hdl.handle.net/10550/41297
dc.description.abstract Objectives: To evaluate the effect of cutting teeth with different types of burs at various speeds on surface topogra - phy of tooth surface and interfacial gap formation at resin-tooth interface. Material and Methods: The human molars were divided into seven groups: Diamond bur in airrotor (DA) & mi - cromotor (DM), crosscut carbide bur in airrotor (CCA) & micromotor (CCM), plain carbide bur in airrotor (CA) & micromotor (CM) and #600-grit silicon carbide paper (SiC). In five samples from each group Class II box-only cavities were restored. The occlusal surface of four teeth per group was flattened. Two out of four teeth were acid etched. Teeth were subjected for scanning electron microscopy (SEM). Results: Interfacial gap was observed in all groups with no significant difference. SEM observations revealed CA, CCA & DA were coarser than CM, CCM, DM and SiC. SEM of etched tooth surfaces revealed complete removal of amorphous smear layer in CA & CM, partial removal in CCA, CCM, DA & DM and no removal in SiC. Conclusions: Selecting an appropriate bur and its speed may not play an important role in bonding in terms of in - terfacial gap formation. Variable changes were observed in surface topography with different burs before and after acid etching. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Effect of rotary cutting instruments on the resin-tooth interfacial ultra structure: an in vivo study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.type.hasVersion VoR es_ES

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