Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1117/12.2527213 http://hdl.handle.net/11449/198822 |
Resumo: | Nd:YAG-laser associated to a photoabsorber, in the reduction of artificial caries in enamel was evaluated. Eighty bovine specimens with 6mm diameter and 2mm high were obtained and a half of the surface of each was protected as a control. Microdurometer and FTIR were performed initially and 8 groups (n=10) were obtained according to treatments: G1(control): no-treatment; G2(+control): fluorophosphate; G3(Nd:YAG 60mJ/pulse, 10Hz, 48J/cm2, non-contact); G4(photoabsorber + Nd:YAG 60mJ); G5(Nd:YAG 80mJ/pulse, 10Hz, 64J/cm2); G6(photoabsorber + Nd:YAG 80mJ); G7(Nd:YAG 100mJ/pulse, 10Hz, 80J/cm2); G8(photoabsorber + Nd:YAG 100mJ). De-remineralization cycle were performed for induction of artificial caries and to interferometer, microdurometer and FTIR. Microhardness data were submitted to 2-way ANOVA and Tukey/Dunnett tests 5%. Statistically differences were obtained in the photoabsorber-factor individually and in the interaction between laser and photoabsorber. There was a lower percentage of microhardness loss in the groups with photoabsorber; G8 presented microhardness similar to G2. FTIR data were submitted to T-test 5%. Compared with G2, higher concentrations of carbonate were found in G4, G6 and G8; phosphate in G8; lower Amide-I concentration at G8 and higher Carbonate/Phosphate ratio at G4 and G6. The interferometry results were submitted to 3-way ANOVA of repeated measures 5%. There were statistically differences in the photoabsorber-factor individually and in the time-factor. Photoabsorber decreased the demineralization; Nd:YAG-laser without photoabsorber were less effective than fluoride; Nd:YAG-laser 100mJ with photoabsorber was as effective as fluoride and; the Nd:YAG-laser, associated or not to the photoabsorber, was no more effective than fluoride in the reduction of artificial decay. |
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Repositório Institucional da UNESP |
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Nd:YAG laser on dental enamel in the reduction of artificial caries demineralizationCariesDemineralizationEnamelLaserPhotoabsorberNd:YAG-laser associated to a photoabsorber, in the reduction of artificial caries in enamel was evaluated. Eighty bovine specimens with 6mm diameter and 2mm high were obtained and a half of the surface of each was protected as a control. Microdurometer and FTIR were performed initially and 8 groups (n=10) were obtained according to treatments: G1(control): no-treatment; G2(+control): fluorophosphate; G3(Nd:YAG 60mJ/pulse, 10Hz, 48J/cm2, non-contact); G4(photoabsorber + Nd:YAG 60mJ); G5(Nd:YAG 80mJ/pulse, 10Hz, 64J/cm2); G6(photoabsorber + Nd:YAG 80mJ); G7(Nd:YAG 100mJ/pulse, 10Hz, 80J/cm2); G8(photoabsorber + Nd:YAG 100mJ). De-remineralization cycle were performed for induction of artificial caries and to interferometer, microdurometer and FTIR. Microhardness data were submitted to 2-way ANOVA and Tukey/Dunnett tests 5%. Statistically differences were obtained in the photoabsorber-factor individually and in the interaction between laser and photoabsorber. There was a lower percentage of microhardness loss in the groups with photoabsorber; G8 presented microhardness similar to G2. FTIR data were submitted to T-test 5%. Compared with G2, higher concentrations of carbonate were found in G4, G6 and G8; phosphate in G8; lower Amide-I concentration at G8 and higher Carbonate/Phosphate ratio at G4 and G6. The interferometry results were submitted to 3-way ANOVA of repeated measures 5%. There were statistically differences in the photoabsorber-factor individually and in the time-factor. Photoabsorber decreased the demineralization; Nd:YAG-laser without photoabsorber were less effective than fluoride; Nd:YAG-laser 100mJ with photoabsorber was as effective as fluoride and; the Nd:YAG-laser, associated or not to the photoabsorber, was no more effective than fluoride in the reduction of artificial decay.IPEN- Nuclear and Energy Research InstituteSão Paulo State University (UNESP) Institute of Science and TechnologySão Paulo State University (UNESP) Institute of Science and TechnologyIPEN- Nuclear and Energy Research InstituteUniversidade Estadual Paulista (Unesp)Zezell, Denise M.Silva, Mateus R. [UNESP]Castro, Pedro A.A.Silva, Tânia M. [UNESP]Goncalves, Sergio E.P. [UNESP]2020-12-12T01:22:54Z2020-12-12T01:22:54Z2019-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObjecthttp://dx.doi.org/10.1117/12.2527213Optics InfoBase Conference Papers, v. Part F142-ECBO 2019.http://hdl.handle.net/11449/19882210.1117/12.25272132-s2.0-85084441481Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengOptics InfoBase Conference Papersinfo:eu-repo/semantics/openAccess2021-10-22T20:36:16Zoai:repositorio.unesp.br:11449/198822Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T20:12:14.906674Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization |
title |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization |
spellingShingle |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization Zezell, Denise M. Caries Demineralization Enamel Laser Photoabsorber |
title_short |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization |
title_full |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization |
title_fullStr |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization |
title_full_unstemmed |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization |
title_sort |
Nd:YAG laser on dental enamel in the reduction of artificial caries demineralization |
author |
Zezell, Denise M. |
author_facet |
Zezell, Denise M. Silva, Mateus R. [UNESP] Castro, Pedro A.A. Silva, Tânia M. [UNESP] Goncalves, Sergio E.P. [UNESP] |
author_role |
author |
author2 |
Silva, Mateus R. [UNESP] Castro, Pedro A.A. Silva, Tânia M. [UNESP] Goncalves, Sergio E.P. [UNESP] |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
IPEN- Nuclear and Energy Research Institute Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Zezell, Denise M. Silva, Mateus R. [UNESP] Castro, Pedro A.A. Silva, Tânia M. [UNESP] Goncalves, Sergio E.P. [UNESP] |
dc.subject.por.fl_str_mv |
Caries Demineralization Enamel Laser Photoabsorber |
topic |
Caries Demineralization Enamel Laser Photoabsorber |
description |
Nd:YAG-laser associated to a photoabsorber, in the reduction of artificial caries in enamel was evaluated. Eighty bovine specimens with 6mm diameter and 2mm high were obtained and a half of the surface of each was protected as a control. Microdurometer and FTIR were performed initially and 8 groups (n=10) were obtained according to treatments: G1(control): no-treatment; G2(+control): fluorophosphate; G3(Nd:YAG 60mJ/pulse, 10Hz, 48J/cm2, non-contact); G4(photoabsorber + Nd:YAG 60mJ); G5(Nd:YAG 80mJ/pulse, 10Hz, 64J/cm2); G6(photoabsorber + Nd:YAG 80mJ); G7(Nd:YAG 100mJ/pulse, 10Hz, 80J/cm2); G8(photoabsorber + Nd:YAG 100mJ). De-remineralization cycle were performed for induction of artificial caries and to interferometer, microdurometer and FTIR. Microhardness data were submitted to 2-way ANOVA and Tukey/Dunnett tests 5%. Statistically differences were obtained in the photoabsorber-factor individually and in the interaction between laser and photoabsorber. There was a lower percentage of microhardness loss in the groups with photoabsorber; G8 presented microhardness similar to G2. FTIR data were submitted to T-test 5%. Compared with G2, higher concentrations of carbonate were found in G4, G6 and G8; phosphate in G8; lower Amide-I concentration at G8 and higher Carbonate/Phosphate ratio at G4 and G6. The interferometry results were submitted to 3-way ANOVA of repeated measures 5%. There were statistically differences in the photoabsorber-factor individually and in the time-factor. Photoabsorber decreased the demineralization; Nd:YAG-laser without photoabsorber were less effective than fluoride; Nd:YAG-laser 100mJ with photoabsorber was as effective as fluoride and; the Nd:YAG-laser, associated or not to the photoabsorber, was no more effective than fluoride in the reduction of artificial decay. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-01-01 2020-12-12T01:22:54Z 2020-12-12T01:22:54Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1117/12.2527213 Optics InfoBase Conference Papers, v. Part F142-ECBO 2019. http://hdl.handle.net/11449/198822 10.1117/12.2527213 2-s2.0-85084441481 |
url |
http://dx.doi.org/10.1117/12.2527213 http://hdl.handle.net/11449/198822 |
identifier_str_mv |
Optics InfoBase Conference Papers, v. Part F142-ECBO 2019. 10.1117/12.2527213 2-s2.0-85084441481 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Optics InfoBase Conference Papers |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1808129171336986624 |