Mechanical properties of new self-adhesive resin-based cement |
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| Authors: | Takashi Nakamura Kazumichi Wakabayashi Soichiro Kinuta Hisataka Nishida Morihiro Miyamae Hirofumi Yatani |
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| Affiliation: | 1. Department of Fixed Prosthodontics, Osaka University Graduate School of Dentistry, 1-8 Yamadaoka, Suita, Osaka 5650871, Japan;2. Department of Operative Dentistry, Osaka Dental University, Osaka, Japan;1. Doctoral student, School of Mechanical Engineering, Shandong University, Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education), Jinan, P.R. China;2. Professor, School of Mechanical Engineering, Shandong University, Key Laboratory of High Efficiency and Clean Mechanical Manufacture (Ministry of Education), Jinan, P.R. China;3. Chief Physician, Department of Prosthodontics, Qilu Hospital of Shandong University, Jinan, P.R. China;4. Resident, Department of Prosthodontics, Qilu Hospital of Shandong University, Jinan, P.R. China;1. Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea;2. Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine Research Center, Dankook University, Cheonan 330-714, South Korea;3. Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 330-714, South Korea;1. MSciD and PhD Post-Graduate Program in Oral Science, Prosthetic Dentistry Unit, Faculty of Dentistry, Federal University of Santa Maria (UFSM), Santa Maria, Rio Grande do Sul State, Brazil;2. Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam (ACTA), Universiteit van Amsterdam and Vrije Universiteit, Amsterdam, Noord-Holland, the Netherlands;1. Department of Biomaterials Science, School of Dentistry, Dankook University, Cheonan 330-714, South Korea;2. Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea;3. Glass Research Department, National Research Center, Cairo 12622, Egypt;4. Department of Nanobiomedical Science & BK21 PLUS NBM Global Research Center for Regenerative Medicine Research Center, Dankook University, Cheonan;1. Assistant Professor and Director, Biomaterials and Biomimetics Research, Department of Operative Dentistry, University of North Carolina School of Dentistry, Chapel Hill, NC;2. Postgraduate student, Department of Operative Dentistry, University of North Carolina School of Dentistry, Chapel Hill, NC;3. Research Associate, Department of Operative Dentistry, University of North Carolina School of Dentistry, Chapel Hill, NC;4. Clinical Assistant Professor, Department of Operative Dentistry, University of North Carolina School of Dentistry, Chapel Hill, NC;5. Professor and Section Head, Biomaterials Sciences, Department of Operative Dentistry, University of North Carolina School of Dentistry, Chapel Hill, NC;1. Post-Graduate Program in Dental Science, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil;2. Post-Graduate Program in Dentistry, Universidade de Taubaté, Taubaté, São Paulo, Brazil;3. Department of Dental Materials and Prosthodontics, São Paulo State University, São José dos Campos, São Paulo, Brazil;4. Department of Restorative Dentistry, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil;5. Department of Dental Materials, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam and Vrije University Amsterdam, Amsterdam, The Netherlands;6. Department of Restorative Dentistry, Universidade Federal de Santa Maria, Santa Maria, Rio Grande do Sul, Brazil |
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| Abstract: | PurposeThe aim of this study was to compare the bonding strength, flexural strength, elastic modulus, water absorption and the expansion after water storage of new self-adhesive resin cements to commercially available dental cements.MethodsTwo types (hand-mix and auto-mix) of new self-adhesive resin cements (SAC-H and SAC-A, Kuraray Medical), one conventional resin cement (Panavia F2.0), three self-adhesive resin cements (Relyx Unicem, Maxcem and G-Cem), and two resin-modified glass-ionomer cements (Fuji Luting S and Vitremer) were used. Shear bond strengths, flexural strengths and elastic moduli (ISO 4049), water absorption (ISO 4049), and the expansion rate after water storage were investigated.ResultsBoth SAC-H and SAC-A provided adhesion to enamel and dentin, and had the same bond strength to gold alloy and zirconia as conventional resin cements. SAC-H and SAC-A had greater flexural strengths (86.4–93.5 MPa) than commercial self-adhesive resin cements or glass-ionomer cements. The elastic moduli of self-adhesive and glass-ionomer cements were 5.2–7.4 GPa and 2.3–3.4 GPa, respectively. The water absorption of SAC-H and SAC-A (26.3–27.7 μg/mm3) were significantly lower than commercial self-adhesive resin cements. SAC-H and SAC-A showed significantly lower expansion rates (0.17–0.26%) than commercial self-adhesive cements and glass-ionomer cements after 4 weeks water storage.ConclusionsIt is suggested that the new self-adhesive resin cements exhibited a favorable bonding capability and mechanical properties. |
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