LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/227475 |
Resumo: | Purpose: To evaluate the transdentinal light attenuation of LED at three wavelengths through different dentin thicknesses, simulating cavity preparations of different depths. Methods: Forty-two dentin discs of three thicknesses (0.2, 0.5 and 1 mm; n = 14) were prepared from the coronal dentin of extracted sound human molars. The discs were illuminated with a LED light at three wavelengths (450 ±10 nm, 630 ±10 nm and 850 ±10 nm) to determine light attenuation. Light transmittance was also measured by spectrophotometry. Results: In terms of minimum (0.2 mm) and maximum (1.0 mm) dentin thicknesses, the percentage of light attenuation varied from 49.3% to 69.9% for blue light, 42.9% to 58.5% for red light and 39.3% to 46.8% for infrared. For transmittance values, an increase was observed for all thicknesses according to greater wavelengths, and the largest variation occurred for the 0.2 mm thickness. All three wavelengths were able to pass through the dentin barrier at different thicknesses. Furthermore, the LED power loss and transmittance showed wide variations, depending on dentin thickness and wavelength. (Am J Dent 2013;26:319-323). |
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Repositório Institucional da UNESP |
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2946 |
spelling |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparationPurpose: To evaluate the transdentinal light attenuation of LED at three wavelengths through different dentin thicknesses, simulating cavity preparations of different depths. Methods: Forty-two dentin discs of three thicknesses (0.2, 0.5 and 1 mm; n = 14) were prepared from the coronal dentin of extracted sound human molars. The discs were illuminated with a LED light at three wavelengths (450 ±10 nm, 630 ±10 nm and 850 ±10 nm) to determine light attenuation. Light transmittance was also measured by spectrophotometry. Results: In terms of minimum (0.2 mm) and maximum (1.0 mm) dentin thicknesses, the percentage of light attenuation varied from 49.3% to 69.9% for blue light, 42.9% to 58.5% for red light and 39.3% to 46.8% for infrared. For transmittance values, an increase was observed for all thicknesses according to greater wavelengths, and the largest variation occurred for the 0.2 mm thickness. All three wavelengths were able to pass through the dentin barrier at different thicknesses. Furthermore, the LED power loss and transmittance showed wide variations, depending on dentin thickness and wavelength. (Am J Dent 2013;26:319-323).Department ot Physiology Ana Pathology School ot Dentistry of Araraquara Univ. Estadual Paulista, Rua Humaitá, 1680, CEP 14801903 Araraquara, SPDepartment ot Physiology Ana Pathology School ot Dentistry of Araraquara Univ. Estadual Paulista, Rua Humaitá, 1680, CEP 14801903 Araraquara, SPUniversidade Estadual Paulista (UNESP)Ana Paula, S. Turrioni [UNESP]Alonso, Juliana R.L. [UNESP]Basso, Fernanda G. [UNESP]Moriyama, Lilian T. [UNESP]Heling, Josimeri [UNESP]Bagnato, Vanderlei S. [UNESP]De Souza Costa, Carlos A. [UNESP]2022-04-29T07:13:25Z2022-04-29T07:13:25Z2013-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article319-323American Journal of Dentistry, v. 26, n. 6, p. 319-323, 2013.0894-8275http://hdl.handle.net/11449/2274752-s2.0-84892664986Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengAmerican Journal of Dentistryinfo:eu-repo/semantics/openAccess2022-04-29T07:13:25Zoai:repositorio.unesp.br:11449/227475Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T23:23:56.492624Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation |
title |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation |
spellingShingle |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation Ana Paula, S. Turrioni [UNESP] |
title_short |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation |
title_full |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation |
title_fullStr |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation |
title_full_unstemmed |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation |
title_sort |
LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation |
author |
Ana Paula, S. Turrioni [UNESP] |
author_facet |
Ana Paula, S. Turrioni [UNESP] Alonso, Juliana R.L. [UNESP] Basso, Fernanda G. [UNESP] Moriyama, Lilian T. [UNESP] Heling, Josimeri [UNESP] Bagnato, Vanderlei S. [UNESP] De Souza Costa, Carlos A. [UNESP] |
author_role |
author |
author2 |
Alonso, Juliana R.L. [UNESP] Basso, Fernanda G. [UNESP] Moriyama, Lilian T. [UNESP] Heling, Josimeri [UNESP] Bagnato, Vanderlei S. [UNESP] De Souza Costa, Carlos A. [UNESP] |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Ana Paula, S. Turrioni [UNESP] Alonso, Juliana R.L. [UNESP] Basso, Fernanda G. [UNESP] Moriyama, Lilian T. [UNESP] Heling, Josimeri [UNESP] Bagnato, Vanderlei S. [UNESP] De Souza Costa, Carlos A. [UNESP] |
description |
Purpose: To evaluate the transdentinal light attenuation of LED at three wavelengths through different dentin thicknesses, simulating cavity preparations of different depths. Methods: Forty-two dentin discs of three thicknesses (0.2, 0.5 and 1 mm; n = 14) were prepared from the coronal dentin of extracted sound human molars. The discs were illuminated with a LED light at three wavelengths (450 ±10 nm, 630 ±10 nm and 850 ±10 nm) to determine light attenuation. Light transmittance was also measured by spectrophotometry. Results: In terms of minimum (0.2 mm) and maximum (1.0 mm) dentin thicknesses, the percentage of light attenuation varied from 49.3% to 69.9% for blue light, 42.9% to 58.5% for red light and 39.3% to 46.8% for infrared. For transmittance values, an increase was observed for all thicknesses according to greater wavelengths, and the largest variation occurred for the 0.2 mm thickness. All three wavelengths were able to pass through the dentin barrier at different thicknesses. Furthermore, the LED power loss and transmittance showed wide variations, depending on dentin thickness and wavelength. (Am J Dent 2013;26:319-323). |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-12-01 2022-04-29T07:13:25Z 2022-04-29T07:13:25Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
American Journal of Dentistry, v. 26, n. 6, p. 319-323, 2013. 0894-8275 http://hdl.handle.net/11449/227475 2-s2.0-84892664986 |
identifier_str_mv |
American Journal of Dentistry, v. 26, n. 6, p. 319-323, 2013. 0894-8275 2-s2.0-84892664986 |
url |
http://hdl.handle.net/11449/227475 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
American Journal of Dentistry |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
319-323 |
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 |
|
_version_ |
1808129517054590976 |