Influence of surface sealant on the translucency of composite resin: effect of immersion time and immersion media

• Main Authors: Patrícia Petromilli Nordi Sasso Garcia, Elídio Rodrigues Neto, Patrícia Aleixo dos Santos, Juliana Álvares Duarte Bonini Campos, Regina Guenka Palma Dibb
• Format: Article
• Language: English
• Published: Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) 2008-06-01
• Series: Materials Research
• Subjects: translucency; surface sealant; composite resin
• Online Access: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392008000200014

This study evaluated the effect of surface sealant on the translucency of composite resin immersed in different solutions. The study involved the following materials: Charisma, Fortify and coffee, Coca-Cola®, tea and artificial saliva as solutions. Sixty-four specimens (n = 8) were manufactured and immersed in artificial saliva at 37 ± 1 °C. Samples were immersed in the solutions for three times a day and re-immersed in artificial saliva until the translucency readings. The measurements were carried out at nine times: T1 - 24 hours after specimen preparation, T2 - 24 hours after immersion in the solutions, T3 - 48 hours and T4 to T9 - 7, 14, 21, 30, 60 and 90 days, respectively, after immersion. The translucency values were measured using a JOUAN device. The results were subjected to ANOVA and Tukey's test at 5%. The surface sealant was not able to protect the composite resin against staining, the coffee showed the strongest staining action, followed by tea and regarding immersion time, a significant alteration was noted in the translucency of composite resin after 21 days.