Microhardness of the dental enamel surface after irradiation with 960nm diode laser

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dc.contributor.authorKOHARA, E.K.pt_BR
dc.contributor.authorWETTER, N.U.pt_BR
dc.contributor.authorRATTICHIERI, F.pt_BR
dc.contributor.authorKATO, I.T.pt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2022-02-22T17:21:25Z
dc.date.available2022-02-22T17:21:25Z
dc.date.issued2004pt_BR
dc.description.abstractSeveral authors analyzed laser irradiation of dental enamel in an attempt to increase acid resistance and achieve caries prevention. In some cases, the procedure has also been associated to the application of a layer of fluoride. Micro-hardness measurements are reliable tests used to determine the degree of resistance to demineralization. In this work micro-hardness values of superficial dental enamel have been measured before and after irradiation with a 960 nm diode laser, using tested laser parameters that are safe and cause no injuries to the adjacent tissue. Laser parameters were below the dental enamel ablation threshold. 60 enamel samples were used and divided into control group (GC), fluoride application (GF), laser irradiation (GL), fluoride application with subsequent laser irradiation (GFL) and laser with subsequent fluoride application (GLF). A solution containing coal was used on the enamel surface in order to absorb the laser radiation. A statistically significant loss of the micro-hardness value was obtained for all groups except for GL but also this group did not produce significant micro-hardness increase. Conclusion: at the current peak power and beam quality of standard diode laser bars, safe laser parameters do not produce higher micro-hardness values.pt_BR
dc.format.extent111-112pt_BR
dc.identifier.citationKOHARA, E.K.; WETTER, N.U.; RATTICHIERI, F.; KATO, I.T. Microhardness of the dental enamel surface after irradiation with 960nm diode laser. <b>Brazilian Dental Journal</b>, v. 15, p. 111-112, 2004. Special issue. Disponível em: http://repositorio.ipen.br/handle/123456789/32762.
dc.identifier.issn0103-6440pt_BR
dc.identifier.orcid0000-0002-9379-9530pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-9379-9530
dc.identifier.percentilfiSem Percentilpt_BR
dc.identifier.percentilfiCiteScoreSem Percentil CiteScorept_BR
dc.identifier.suplementoSpecial issuept_BR
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/32762
dc.identifier.vol15pt_BR
dc.relation.ispartofBrazilian Dental Journalpt_BR
dc.rightsopenAccesspt_BR
dc.sourceInternational Congress on Laser in Dentistry, 9th, July 21-24, 2004, São Paulo, SPpt_BR
dc.titleMicrohardness of the dental enamel surface after irradiation with 960nm diode laserpt_BR
dc.typeResumos em periódicospt_BR
dspace.entity.typePublication
ipen.autorNIKLAUS URSUS WETTER
ipen.autorEDUARDO KAZUO KOHARA
ipen.codigoautor919
ipen.codigoautor3250
ipen.contributor.ipenauthorNIKLAUS URSUS WETTER
ipen.contributor.ipenauthorEDUARDO KAZUO KOHARA
ipen.date.recebimento22-02
ipen.identifier.fiSem F.I.pt_BR
ipen.identifier.fiCiteScoreSem CiteScorept_BR
ipen.identifier.ipendoc13050pt_BR
ipen.type.genreResumo
relation.isAuthorOfPublication464db0c6-6072-480b-b899-81848893f7eb
relation.isAuthorOfPublicationb8b5639c-cd01-4ee2-a87b-481cd8089ab5
relation.isAuthorOfPublication.latestForDiscoveryb8b5639c-cd01-4ee2-a87b-481cd8089ab5
sigepi.autor.atividadeWETTER, N.U.:919:910:Npt_BR
sigepi.autor.atividadeKOHARA, E.K.:3250:-1:Spt_BR
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