Influencia de las unidades de curado LED y luz halógena sobre la resistencia compresiva de las resinas compuestas



Título del documento: Influencia de las unidades de curado LED y luz halógena sobre la resistencia compresiva de las resinas compuestas
Revista: Acta odontológica venezolana
Base de datos: PERIÓDICA
Número de sistema: 000316506
ISSN: 0001-6365
Autors: 1
2


3
Institucions: 1Universidade de Sao Paulo, Faculdade de Odontologia, Ribeirao Preto, Sao Paulo. Brasil
2Universidade Vale do Rio Verde, Tres Coracoes, Minas Gerais. Brasil
3Universidade Estadual Paulista "Julio de Mesquita Filho", Aracatuba, Sao Paulo. Brasil
Any:
Volum: 45
Número: 2
Paginació: 209-212
País: Venezuela
Idioma: Español
Tipo de documento: Artículo
Enfoque: Experimental, aplicado
Resumen en español Por los resultados obtenidos puede concluirse de que las resinas fotopolimerizadas por luz halógena presentaron los mejores resultados de resistencia a compresión con excepción de la resina compuesta Tetric Ceram
Resumen en inglés This study main purpose was to evaluate the mechanical response of three different resin composite brands; Filtek Supreme, Charisma and Tetric Ceram cured by halogen or light emitting diode – LED (Optilght,Gnathus e Ultraled, Dabi Atlante). A nylon mold 4-mm in diameter and 8-mm in depth was used to obtain forty eight specimens dived in 6 groups of 8 varying the light-curing unit; G1 Filtek Supreme, G3 Tetric, G5 Charisma cured by halogen light-curing unit, and G2 Filtek Supreme, G4 Tetric, G6 Charisma cured by LED. The resin composites were inserted according to the incremental method. The resin composites were light cured according to the manufactures’ instructions. The specimens were kept in plastic containers airtightly closed for 24 hours. In order to perform the evaluation, an EMIC DL 2000 was used at a crosshead speed of 0.5 mm/minute and a charge cell of 2000 Kg strength. The statistical analysis was performed using one-way analysis of variance (ANOVA) and Tukey test at a p<0.05 significance level. The mean were G1 248.37, G2 193.75, G3 222.00, G4 195.87, G5 280.37, G6 205.25. In conclusion, the resin composites light-cured by halogen scored higher in the compressive strength test. In the Tetric Ceram group there were no statistically relevant results
Disciplines Medicina,
Ciencia y tecnología
Paraules clau: Odontología,
Tecnología,
Resinas compuestas,
Compresión,
Resistencia,
LED,
Polimerización,
Luz halógena
Keyword: Medicine,
Science and technology,
Dentistry,
Technology,
Composite resins,
Compression,
Strength,
LED,
Polymerization,
Halogen light
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