LED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.creatorAna Paula, S. Turrioni-
Autor(es): dc.creatorAlonso, Juliana R.L.-
Autor(es): dc.creatorBasso, Fernanda G.-
Autor(es): dc.creatorMoriyama, Lilian T.-
Autor(es): dc.creatorHeling, Josimeri-
Autor(es): dc.creatorBagnato, Vanderlei S.-
Autor(es): dc.creatorDe Souza Costa, Carlos A.-
Data de aceite: dc.date.accessioned2025-08-21T22:48:17Z-
Data de disponibilização: dc.date.available2025-08-21T22:48:17Z-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2022-04-29-
Data de envio: dc.date.issued2013-12-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/227475-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/227475-
Descrição: dc.descriptionPurpose: 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).-
Descrição: dc.descriptionDepartment ot Physiology Ana Pathology School ot Dentistry of Araraquara Univ. Estadual Paulista, Rua Humaitá, 1680, CEP 14801903 Araraquara, SP-
Descrição: dc.descriptionDepartment ot Physiology Ana Pathology School ot Dentistry of Araraquara Univ. Estadual Paulista, Rua Humaitá, 1680, CEP 14801903 Araraquara, SP-
Formato: dc.format319-323-
Idioma: dc.languageen-
Relação: dc.relationAmerican Journal of Dentistry-
???dc.source???: dc.sourceScopus-
Título: dc.titleLED light attenuation through human dentin: A first step toward pulp photobiomodulation after cavity preparation-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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