scholarly journals Effect of surface treatment methods on the shear bond strength of auto-polymerized resin to thermoplastic denture base polymer

2016 ◽  
Vol 8 (6) ◽  
pp. 504 ◽  
Author(s):  
Roodabeh Koodaryan ◽  
Ali Hafezeqoran
2020 ◽  
Vol 10 (22) ◽  
pp. 8308
Author(s):  
Farid S. El-Askary ◽  
Sara A. Botros ◽  
Mutlu Özcan

The aim of this study was to evaluate the effect of surface treatment and storage time on immediate repair bond durability of methacrylate- and ormocer-based bulk fill composites. In total, 265 discs were divided into 32 groups (n = 8/group) according to: (1) Material: X-tra fil and Admira Fusion X-tra; (2) Surface treatment: oxygen inhibition; matrix; Futurabond M+; Silane/Futurabond M+; Admira Bond; Silane/Admira Bond; ceramic repair system; and Silane/Cimara bond; and (3) Storage time: 24 h and 6 months. Each disc received three micro-cylinders from the same material. Specimens were subjected to micro-shear bond strength testing either at 24 h or 6 months. Data were analyzed using ANOVA/Tukey’s test/Student t-test (p = 0.05). All experimental factors had significant effect on bond strength (p < 0.0001). Drop in bond strength was noticed in both materials after six months (p < 0.05), except for Admira Fusion X-tra treated with silane/cimara adhesive (p = 0.860). Both materials showed insignificant values with Admira bond either at 24 h or 6 months (p = 0.275 and p = 0.060, respectively). For other treatments, X-tra fil showed significantly higher values at 24 h and 6 months (p < 0.05). Ceramic repair system can be used to immediately repair both methacrylate- and ormocer-based composites.


2017 ◽  
Vol 27 (7) ◽  
pp. 624-635 ◽  
Author(s):  
Caroline Cantieri de Mello ◽  
Sandro Basso Bitencourt ◽  
Daniela Micheline dos Santos ◽  
Aldiéris Alves Pesqueira ◽  
Eduardo Piza Pellizzer ◽  
...  

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