Effect of discontinuous glass fibers on mechanical properties of glass ionomer cement
Aim: This study investigated the reinforcing effect of discontinuous glass microfibers with various loading fractions on selected mechanical properties of self-cure glass ionomer cement (GIC). Method: Experimental fiber reinforced GIC (Exp-GIC) was prepared by adding discontinuous glass microfiber (...
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| Format: | Article |
| Language: | English |
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Medical Journals Sweden
2018-01-01
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| Series: | Acta Biomaterialia Odontologica Scandinavica |
| Subjects: | |
| Online Access: | http://dx.doi.org/10.1080/23337931.2018.1491798 |
| _version_ | 1826906555725905920 |
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| author | Sufyan K. Garoushi Jingwei He Pekka K. Vallittu Lippo V. J. Lassila |
| author_facet | Sufyan K. Garoushi Jingwei He Pekka K. Vallittu Lippo V. J. Lassila |
| author_sort | Sufyan K. Garoushi |
| collection | DOAJ |
| description | Aim: This study investigated the reinforcing effect of discontinuous glass microfibers with various loading fractions on selected mechanical properties of self-cure glass ionomer cement (GIC). Method: Experimental fiber reinforced GIC (Exp-GIC) was prepared by adding discontinuous glass microfiber (silane/non-silane treated) of 200–300 µm in length to the powder of self-cure GIC (GC Fuji IX) with various mass ratios (15, 20, 25, 35, and 45 mass%) using a high speed mixing device. Flexural strength, flexural modulus, work of fracture, compressive strength and diametral tensile strength were determined for each experimental and control materials. The specimens (n = 8) were wet stored (37 °C for one day) before testing. Scanning electron microscopy equipped with energy dispersive spectrometer was used to analysis the surface of silanized or non-silanized fibers after treated with cement liquid. The results were analyzed with using multivariate analysis of variance MANOVA. Results: Fiber-reinforced GIC (25 mass%) had significantly higher mechanical performance of flexural modulus (3.8 GPa), flexural strength (48 MPa), and diametral tensile strength (18 MPa) (p < .05) compared to unreinforced material (0.9 GPa, 26 MPa and 8 MPa). No statistical significant difference in tested mechanical properties was recorded between silanized and non-silanized Exp-GIC groups. Compressive strength did not show any significant differences (p > .05) between the fiber-reinforced and unreinforced GIC. Conclusion: The use of discontinuous glass microfibers with self-cure GIC matrix considerably increased the all of the studied properties except compressive strength. |
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| id | doaj.art-b1c07686879d4f23ad66c84e0532870d |
| institution | Directory Open Access Journal |
| issn | 2333-7931 |
| language | English |
| last_indexed | 2025-02-17T08:50:09Z |
| publishDate | 2018-01-01 |
| publisher | Medical Journals Sweden |
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| series | Acta Biomaterialia Odontologica Scandinavica |
| spelling | doaj.art-b1c07686879d4f23ad66c84e0532870d2025-01-02T20:25:32ZengMedical Journals SwedenActa Biomaterialia Odontologica Scandinavica2333-79312018-01-0141728010.1080/23337931.2018.14917981491798Effect of discontinuous glass fibers on mechanical properties of glass ionomer cementSufyan K. Garoushi0Jingwei He1Pekka K. Vallittu2Lippo V. J. Lassila3Institute of Dentistry, University of TurkuInstitute of Dentistry, University of TurkuInstitute of Dentistry, University of TurkuInstitute of Dentistry, University of TurkuAim: This study investigated the reinforcing effect of discontinuous glass microfibers with various loading fractions on selected mechanical properties of self-cure glass ionomer cement (GIC). Method: Experimental fiber reinforced GIC (Exp-GIC) was prepared by adding discontinuous glass microfiber (silane/non-silane treated) of 200–300 µm in length to the powder of self-cure GIC (GC Fuji IX) with various mass ratios (15, 20, 25, 35, and 45 mass%) using a high speed mixing device. Flexural strength, flexural modulus, work of fracture, compressive strength and diametral tensile strength were determined for each experimental and control materials. The specimens (n = 8) were wet stored (37 °C for one day) before testing. Scanning electron microscopy equipped with energy dispersive spectrometer was used to analysis the surface of silanized or non-silanized fibers after treated with cement liquid. The results were analyzed with using multivariate analysis of variance MANOVA. Results: Fiber-reinforced GIC (25 mass%) had significantly higher mechanical performance of flexural modulus (3.8 GPa), flexural strength (48 MPa), and diametral tensile strength (18 MPa) (p < .05) compared to unreinforced material (0.9 GPa, 26 MPa and 8 MPa). No statistical significant difference in tested mechanical properties was recorded between silanized and non-silanized Exp-GIC groups. Compressive strength did not show any significant differences (p > .05) between the fiber-reinforced and unreinforced GIC. Conclusion: The use of discontinuous glass microfibers with self-cure GIC matrix considerably increased the all of the studied properties except compressive strength.http://dx.doi.org/10.1080/23337931.2018.1491798Mechanical propertiesdiscontinuous fiber reinforcementglass ionomer cement |
| spellingShingle | Sufyan K. Garoushi Jingwei He Pekka K. Vallittu Lippo V. J. Lassila Effect of discontinuous glass fibers on mechanical properties of glass ionomer cement Acta Biomaterialia Odontologica Scandinavica Mechanical properties discontinuous fiber reinforcement glass ionomer cement |
| title | Effect of discontinuous glass fibers on mechanical properties of glass ionomer cement |
| title_full | Effect of discontinuous glass fibers on mechanical properties of glass ionomer cement |
| title_fullStr | Effect of discontinuous glass fibers on mechanical properties of glass ionomer cement |
| title_full_unstemmed | Effect of discontinuous glass fibers on mechanical properties of glass ionomer cement |
| title_short | Effect of discontinuous glass fibers on mechanical properties of glass ionomer cement |
| title_sort | effect of discontinuous glass fibers on mechanical properties of glass ionomer cement |
| topic | Mechanical properties discontinuous fiber reinforcement glass ionomer cement |
| url | http://dx.doi.org/10.1080/23337931.2018.1491798 |
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