Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resins
Introduction: Polymethyl methacrylate (PMMA) has been widely accepted and used in dentistry owing to its working characteristics, aesthetics and stability in the oral environment, ease in manipulation, and inexpensive processing methods and equipment. Aim and Objectives: The aim of this study was to...
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| Format: | Article |
| Language: | English |
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Wolters Kluwer Medknow Publications
2020-01-01
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| Series: | Journal of Pharmacy and Bioallied Sciences |
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| Online Access: | http://www.jpbsonline.org/article.asp?issn=0975-7406;year=2020;volume=12;issue=5;spage=399;epage=403;aulast=Kannaiyan |
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| author | Karthik Kannaiyan M Biradar Sharashchandra Swetha Kattimani Malati Devi Boinapelli Vengal Rao Sudarshan Kumar Chinna |
| author_facet | Karthik Kannaiyan M Biradar Sharashchandra Swetha Kattimani Malati Devi Boinapelli Vengal Rao Sudarshan Kumar Chinna |
| author_sort | Karthik Kannaiyan |
| collection | DOAJ |
| description | Introduction: Polymethyl methacrylate (PMMA) has been widely accepted and used in dentistry owing to its working characteristics, aesthetics and stability in the oral environment, ease in manipulation, and inexpensive processing methods and equipment. Aim and Objectives: The aim of this study was to evaluate the flexural strength of a high-impact PMMA denture base resin material and flexural strength of a commonly available heat cure PMMA denture base material with Kevlar, glass, and nylon fibers. Materials and Methods: The test samples were studied under two groups. The Group I (control group) comprised pre-reinforced PMMA (Lucitone 199; Dentsply Sirona Prosthetics, York, Pennsylvania, USA) consisting of 12 samples and second group comprised regular PMMA (DPI, Mumbai, India) reinforced with different fibers. The second test group was further divided into three subgroups as Group 2, Group 3, and Group 4 comprising 12 samples each designated by the letters a–l. All the samples were marked on both ends. A total of 48 samples were tested. Results were analyzed and any P value ≤0.05 was considered as statistically significant (t test). Results: All the 48 specimens were subjected to a 3-point bending test on a universal testing machine (MultiTest 10-i, Sterling, VA, USA) at a cross-head rate of 2 mm/min. A load was applied on each specimen by a centrally located rod until fracture occurred; span length taken was 50 mm. Flexural strength was then calculated. Conclusion: Reinforcement of conventional denture base resin with nylon and glass fibers showed statistical significance in the flexural strength values when compared to unreinforced high impact of denture base resin. |
| first_indexed | 2024-12-10T21:53:36Z |
| format | Article |
| id | doaj.art-2d36be79d913499d8940302221a5be39 |
| institution | Directory Open Access Journal |
| issn | 0975-7406 |
| language | English |
| last_indexed | 2024-12-10T21:53:36Z |
| publishDate | 2020-01-01 |
| publisher | Wolters Kluwer Medknow Publications |
| record_format | Article |
| series | Journal of Pharmacy and Bioallied Sciences |
| spelling | doaj.art-2d36be79d913499d8940302221a5be392022-12-22T01:32:06ZengWolters Kluwer Medknow PublicationsJournal of Pharmacy and Bioallied Sciences0975-74062020-01-0112539940310.4103/jpbs.JPBS_117_20Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resinsKarthik KannaiyanM Biradar SharashchandraSwetha KattimaniMalati DeviBoinapelli Vengal RaoSudarshan Kumar ChinnaIntroduction: Polymethyl methacrylate (PMMA) has been widely accepted and used in dentistry owing to its working characteristics, aesthetics and stability in the oral environment, ease in manipulation, and inexpensive processing methods and equipment. Aim and Objectives: The aim of this study was to evaluate the flexural strength of a high-impact PMMA denture base resin material and flexural strength of a commonly available heat cure PMMA denture base material with Kevlar, glass, and nylon fibers. Materials and Methods: The test samples were studied under two groups. The Group I (control group) comprised pre-reinforced PMMA (Lucitone 199; Dentsply Sirona Prosthetics, York, Pennsylvania, USA) consisting of 12 samples and second group comprised regular PMMA (DPI, Mumbai, India) reinforced with different fibers. The second test group was further divided into three subgroups as Group 2, Group 3, and Group 4 comprising 12 samples each designated by the letters a–l. All the samples were marked on both ends. A total of 48 samples were tested. Results were analyzed and any P value ≤0.05 was considered as statistically significant (t test). Results: All the 48 specimens were subjected to a 3-point bending test on a universal testing machine (MultiTest 10-i, Sterling, VA, USA) at a cross-head rate of 2 mm/min. A load was applied on each specimen by a centrally located rod until fracture occurred; span length taken was 50 mm. Flexural strength was then calculated. Conclusion: Reinforcement of conventional denture base resin with nylon and glass fibers showed statistical significance in the flexural strength values when compared to unreinforced high impact of denture base resin.http://www.jpbsonline.org/article.asp?issn=0975-7406;year=2020;volume=12;issue=5;spage=399;epage=403;aulast=Kannaiyandenture base resinglass fiberskevlar fibersnylon fiberspolymethyl methacrylate |
| spellingShingle | Karthik Kannaiyan M Biradar Sharashchandra Swetha Kattimani Malati Devi Boinapelli Vengal Rao Sudarshan Kumar Chinna Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resins Journal of Pharmacy and Bioallied Sciences denture base resin glass fibers kevlar fibers nylon fibers polymethyl methacrylate |
| title | Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resins |
| title_full | Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resins |
| title_fullStr | Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resins |
| title_full_unstemmed | Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resins |
| title_short | Comparison of flexural strength of Kevlar, glass, and nylon fibers reinforced denture base resins with heat polymerized denture base resins |
| title_sort | comparison of flexural strength of kevlar glass and nylon fibers reinforced denture base resins with heat polymerized denture base resins |
| topic | denture base resin glass fibers kevlar fibers nylon fibers polymethyl methacrylate |
| url | http://www.jpbsonline.org/article.asp?issn=0975-7406;year=2020;volume=12;issue=5;spage=399;epage=403;aulast=Kannaiyan |
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