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Open AccessArticle

Interfacial Adhesion of a Semi-Interpenetrating Polymer Network-Based Fiber-Reinforced Composite with a High and Low-Gradient Poly(methyl methacrylate) Resin Surface

1
Dental Biomaterials Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh 10219, Saudi Arabia
2
Department of Biomaterials Science, Institute of Dentistry, University of Turku, FI-20520 Turku, Finland
3
Department of Pediatric Dentistry & Children with Special Health Care Needs, Ministry of Health, Riyadh 10219, Saudi Arabia
4
Department of Clinical Dental Science, College of Dentistry, Princess Nourah Bint Abdulrahman University, Riyadh 10219, Saudi Arabia
5
Department of Fixed Prosthodontics, Faculty of Dentistry, Cairo University, Cairo 12613, Egypt
6
Welfare Division, City of Turku, FI-20520 Turku, Finland
*
Author to whom correspondence should be addressed.
Academic Editors: Muhammad Zafar, Saroash Shahid and Zohaib Khurshid
Polymers 2021, 13(3), 352; https://doi.org/10.3390/polym13030352
Received: 30 December 2020 / Revised: 16 January 2021 / Accepted: 18 January 2021 / Published: 22 January 2021
(This article belongs to the Special Issue Polymers for Dental Restorative and Oral Tissue Engineering)
The research aimed to determine the tensile bond strength (TBS) between polymerized intact and ground fiber-reinforced composite (FRC) surfaces. FRC prepregs (a reinforcing fiber pre-impregnated with a semi-interpenetrating polymer network (semi-IPN) resin system; everStick C&B) were divided into two groups: intact FRCs (with a highly PMMA-enriched surface) and ground FRCs (with a low PMMA gradient). Each FRC group was treated with: StickRESIN and G-Multi PRIMER. These groups were further divided into four subgroups based on the application time of the treatment agents: 0.5, 1, 2, and 5 min. Next, a resin luting cement was applied to the FRC substrates on the top of the photo-polymerized treating agent. Thereafter, weight loss, surface microhardness, and TBS were evaluated. Three-factor analysis of variance (p ≤ 0.05) revealed significant differences in the TBS among the FRC groups. The highest TBS was recorded for the intact FRC surface treated with G-Multi PRIMER for 2 min (13.0 ± 1.2 MPa). The monomers and solvents of G-Multi PRIMER showed a time-dependent relationship between treatment time and TBS. They could diffuse into the FRC surface that has a higher PMMA gradient, further resulting in a high TBS between the FRC and resin luting cement. View Full-Text
Keywords: adhesive interface; fiber-reinforced composite; poly(methyl methacrylate); primer; semi-interpenetrating polymer network; tensile bond strength (TBS) adhesive interface; fiber-reinforced composite; poly(methyl methacrylate); primer; semi-interpenetrating polymer network; tensile bond strength (TBS)
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MDPI and ACS Style

Khan, A.A.; Perea-Lowery, L.; Al-Khureif, A.A.; AlMufareh, N.A.; Eldwakhly, E.; Säilynoja, E.; Vallittu, P.K. Interfacial Adhesion of a Semi-Interpenetrating Polymer Network-Based Fiber-Reinforced Composite with a High and Low-Gradient Poly(methyl methacrylate) Resin Surface. Polymers 2021, 13, 352. https://doi.org/10.3390/polym13030352

AMA Style

Khan AA, Perea-Lowery L, Al-Khureif AA, AlMufareh NA, Eldwakhly E, Säilynoja E, Vallittu PK. Interfacial Adhesion of a Semi-Interpenetrating Polymer Network-Based Fiber-Reinforced Composite with a High and Low-Gradient Poly(methyl methacrylate) Resin Surface. Polymers. 2021; 13(3):352. https://doi.org/10.3390/polym13030352

Chicago/Turabian Style

Khan, Aftab A.; Perea-Lowery, Leila; Al-Khureif, Abdulaziz A.; AlMufareh, Nawaf A.; Eldwakhly, ElZahraa; Säilynoja, Eija; Vallittu, Pekka K. 2021. "Interfacial Adhesion of a Semi-Interpenetrating Polymer Network-Based Fiber-Reinforced Composite with a High and Low-Gradient Poly(methyl methacrylate) Resin Surface" Polymers 13, no. 3: 352. https://doi.org/10.3390/polym13030352

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