2007
DOI: 10.2341/06-163
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Evaluation of Curing Light Distance on Resin Composite Microhardness and Polymerization

Abstract: SUMMARYThis study evaluated the influence of the curing tip distance on cure depth of a resin composite by measuring Vickers microhardness and determining the degree of conversion by using FT-Raman spectroscopy. The light curing units used were halogen (500mW/cm KM Rode • Y Kawano • ML Turbino Clinical RelevanceDifferent light curing units, the thickness of the resin composite increments and the exposure distance to a curing light may change the physical properties of a restorative material and compromise its… Show more

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Cited by 117 publications
(122 citation statements)
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References 16 publications
(21 reference statements)
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“…13 Oral pain relief for aphthous ulcers 14 or other dental pain, 15,16 including TMD, 17 and increased osseointegration of dental implants. 18 In the field of orthodontics, laser therapy has been used to decrease orthodontic pain 4,19 and increase bone deposition across the expanded mid-palatal suture.…”
Section: Maxillamentioning
confidence: 99%
“…13 Oral pain relief for aphthous ulcers 14 or other dental pain, 15,16 including TMD, 17 and increased osseointegration of dental implants. 18 In the field of orthodontics, laser therapy has been used to decrease orthodontic pain 4,19 and increase bone deposition across the expanded mid-palatal suture.…”
Section: Maxillamentioning
confidence: 99%
“…En la tabla 6 se observa el mas alto promedio (90,94) obtenido en el grupo 5 (Filtek® Supreme XT + Optilux® 501 Rampa + incremental) seguido por el grupo 6 (filtek supreme+-bloque+rampa) y 15(filtek Z350+increm+opti501) y el valor mas bajo lo exhibió el grupo19 (Tetric® N Ceram + LED Bluephase® + incremental) corroborando los resultados del primer análisis; en cuanto al análisis de dureza profunda con la prueba ANOVA multifactorial se encontraron diferencias estadísticamente significativas en Discusión Se usó la tonalidad de resina A1 para, permitir una adecuada penetración de la luz y lograr una polimerización más rápida (19). Se mantuvo una distancia constante de 0,5 mm entre la luz y la resina para no generar diferente coeficiente de conversión de polimerización (CCP) y NDV (20); cuando la distancia desde la luz es modificada se afectan las propiedades mecánicas del material, aumenta el monómero residual y puede irritarse el complejo dentinopulpar comprometiendo la longevidad de la restauración (21,22).…”
Section: Resultsunclassified
“…19,20 Makaslama bağlanma dayanım testleri fissür örtücülerin mine yüzeyine bağlanma potansiyelini değerlendiren testlerden biridir. 21,22 Diş hekimliği pratiğinde özellikle çocuk hastalarda pit ve fissür örtülmesi hassas bir teknik gerektirmektedir.…”
Section: Discussionunclassified