Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin
Purpose: The aim of this study was to evaluate flexural strength, elastic modulus and dynamic mechanical analysis (DMA) of heat-polymerized polymethyl methacrylate resin, polyamide resin and glass fiber-reinforced polyamide resin. Materials and Methods: Three groups were determined according to dent...
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Istanbul University
2021-09-01
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| Series: | European Oral Research |
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| Online Access: | https://cdn.istanbul.edu.tr/file/JTA6CLJ8T5/AD7D87020B654D77AD1C2065993C77AC |
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| author | Senem Ünver Arzu Zeynep Yıldırım Biçer |
| author_facet | Senem Ünver Arzu Zeynep Yıldırım Biçer |
| author_sort | Senem Ünver |
| collection | DOAJ |
| description | Purpose: The aim of this study was to evaluate flexural strength, elastic modulus and dynamic mechanical analysis (DMA) of heat-polymerized polymethyl methacrylate resin, polyamide resin and glass fiber-reinforced polyamide resin. Materials and Methods: Three groups were determined according to denture base materials as polymethyl methacrylate resin (H), polyamide resin (P) and glass fiber reinforced polyamide resin (R). Sixteen specimens for each denture base material were prepared with dimensions of 64x10x3.3 mm for three-point bending test. 2 specimens for each denture base material were prepared with dimensions of 30x10x3 mm for DMA. Polymethyl methacrylate and polyamide specimens were prepared according to the manufacturer’s recommendations. The silane was applied to glass fibers (4.5 mm length) 2% by weight of the polyamide resin, they were placed in polyamide resin cartilages and injected to the mold. The thermal aging procedure was applied to half of specimens of each material (n=8). Flexural strength and elastic modulus of the specimens were determined by three-point bending test at a speed of 5 mm/min. DMA was performed to 1 specimen from each group to evaluate viscoelastic properties. Data were analyzed with one-way ANOVA, Tukey and Paired t tests. Results: A statistically significance difference was found in flexural strength and elastic modulus values of denture base materials (P=0.00). The highest flexural strength and elastic modulus values were observed in polymethyl methacrylate group. There was no significant difference between polyamide and glass-fiber reinforced polyamide groups (P=0.497). Nosignificance difference was determined in all three-denture base material before and after aging procedure. Conclusion: The reinforcement with glass-fibers did not affect the flexural strength and elastic modulus of polyamide resin. |
| format | Article |
| id | doaj-art-3d1cfd4ed5564259a4e92eb3727b8b25 |
| institution | Kabale University |
| issn | 2651-2823 |
| language | English |
| publishDate | 2021-09-01 |
| publisher | Istanbul University |
| record_format | Article |
| series | European Oral Research |
| spelling | doaj-art-3d1cfd4ed5564259a4e92eb3727b8b252025-08-20T03:48:43ZengIstanbul UniversityEuropean Oral Research2651-28232021-09-0155311612310.26650/eor.2021872015123456Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resinSenem Ünver0https://orcid.org/0000-0001-5565-1167Arzu Zeynep Yıldırım Biçer1https://orcid.org/0000-0002-9332-8982Gazi Üniversitesi, Ankara, TurkiyeGazi Üniversitesi, Ankara, TurkiyePurpose: The aim of this study was to evaluate flexural strength, elastic modulus and dynamic mechanical analysis (DMA) of heat-polymerized polymethyl methacrylate resin, polyamide resin and glass fiber-reinforced polyamide resin. Materials and Methods: Three groups were determined according to denture base materials as polymethyl methacrylate resin (H), polyamide resin (P) and glass fiber reinforced polyamide resin (R). Sixteen specimens for each denture base material were prepared with dimensions of 64x10x3.3 mm for three-point bending test. 2 specimens for each denture base material were prepared with dimensions of 30x10x3 mm for DMA. Polymethyl methacrylate and polyamide specimens were prepared according to the manufacturer’s recommendations. The silane was applied to glass fibers (4.5 mm length) 2% by weight of the polyamide resin, they were placed in polyamide resin cartilages and injected to the mold. The thermal aging procedure was applied to half of specimens of each material (n=8). Flexural strength and elastic modulus of the specimens were determined by three-point bending test at a speed of 5 mm/min. DMA was performed to 1 specimen from each group to evaluate viscoelastic properties. Data were analyzed with one-way ANOVA, Tukey and Paired t tests. Results: A statistically significance difference was found in flexural strength and elastic modulus values of denture base materials (P=0.00). The highest flexural strength and elastic modulus values were observed in polymethyl methacrylate group. There was no significant difference between polyamide and glass-fiber reinforced polyamide groups (P=0.497). Nosignificance difference was determined in all three-denture base material before and after aging procedure. Conclusion: The reinforcement with glass-fibers did not affect the flexural strength and elastic modulus of polyamide resin.https://cdn.istanbul.edu.tr/file/JTA6CLJ8T5/AD7D87020B654D77AD1C2065993C77ACpolyamide resinflexural strengthdmastrengtheningglass fiber. |
| spellingShingle | Senem Ünver Arzu Zeynep Yıldırım Biçer Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin European Oral Research polyamide resin flexural strength dma strengthening glass fiber. |
| title | Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin |
| title_full | Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin |
| title_fullStr | Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin |
| title_full_unstemmed | Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin |
| title_short | Evaluation of flexural properties and dynamic mechanical analysis of glass fiber-reinforced polyamide resin |
| title_sort | evaluation of flexural properties and dynamic mechanical analysis of glass fiber reinforced polyamide resin |
| topic | polyamide resin flexural strength dma strengthening glass fiber. |
| url | https://cdn.istanbul.edu.tr/file/JTA6CLJ8T5/AD7D87020B654D77AD1C2065993C77AC |
| work_keys_str_mv | AT senemunver evaluationofflexuralpropertiesanddynamicmechanicalanalysisofglassfiberreinforcedpolyamideresin AT arzuzeynepyıldırımbicer evaluationofflexuralpropertiesanddynamicmechanicalanalysisofglassfiberreinforcedpolyamideresin |