THE SISAL FIBER (Agave Sisalana) ALKALIZATION EFFECTS ON THE IMPACT STRENGTH OF FIBER REINFORCED ACRYLIC RESIN

Jurnal Medali Pub Date : 2022-12-12 DOI:10.30659/medali.4.3.25-33

Benni Benyamin, Musri Amurwaningsih, Wirda Yunita Darwis

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Abstract

Background: Acrylic resins, as dentistry materials, were widely used as artificial tooth based because of flexibily, easily obtained, inexpensive, and the most significant reason was biocompatible. Acrylic resin itself had a deficiency of brittle and easy fracture. One solution to overcome these shortcomings was to add sisal fibers to acrylic resins known as Fiber Reinforced Acrylic Resins (FRAR). The purpose of this research was to know the effect of sisal fiber addition to the impact strength of FRAR.Methods: Post-test-only control group design was used as laboratory experimental. Total used sample was 32 acrylic resin plats hot cured with size 55x10x10 mm. Experiment group was divided into two groups, one group with non-alkalization, and another group with alkalization. Impact strength was tested by universal testing machine (UTM).Results: Impact strength highest avarage was on alkalization group, with number 0.0214 J/mm2 and the lowest was on non-alkalization group, with number 0.0145 J/mm2. The result was tested by independent T-Test with significant number was 0,000 (P<0,05) which means there were a significant effect of impact strength FRAR between groups.Background: Acrylic resins, as dentistry materials, were widely used as artificial tooth based because of flexibily, easily obtained, inexpensive, and the most significant reason was biocompatible. Acrylic resin itself had a deficiency of brittle and easy fracture. One solution to overcome these shortcomings was to add sisal fibers to acrylic resins known as Fiber Reinforced Acrylic Resins (FRAR). The purpose of this research was to know the effect of sisal fiber addition to the impact strength of FRAR.Methods: Post-test-only control group design was used as laboratory experimental. Total used sample was 32 acrylic resin plats hot cured with size 55x10x10 mm. Experiment group was divided into two groups, one group with non-alkalization, and another group with alkalization. Impact strength was tested by universal testing machine (UTM).Results: Impact strength highest avarage was on alkalization group, with number 0.0214 J/mm2 and the lowest was on non-alkalization group, with number 0.0145 J/mm2. The result was tested by independent T-Test with significant number was 0,000 (P<0,05) which means there were a significant effect of impact strength FRAR between groups.Conclusion: The impact strength of FRAR increased after alkalization treatment The impact strength of FRAR increased after alkalization treatment

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摘要研究剑麻纤维(龙舌兰)碱化对纤维增强丙烯酸树脂冲击强度的影响

背景:丙烯酸树脂作为一种牙科材料，由于其柔韧性好、易获得、价格低廉以及生物相容性好而被广泛应用于人工牙基。丙烯酸树脂本身具有脆性和易断裂的缺点。克服这些缺点的一个解决方案是将剑麻纤维添加到丙烯酸树脂中，称为纤维增强丙烯酸树脂(FRAR)。本研究的目的是了解剑麻纤维的加入对FRAR冲击强度的影响。方法:采用后验组设计作为实验室实验。所用样品为32块热固化的丙烯酸树脂板，尺寸为55x10x10mm。试验组分为两组，一组不碱化，另一组碱化。采用万能试验机(UTM)进行冲击强度测试。结果:碱化组的冲击强度平均值最高，为0.0214 J/mm2;非碱化组的冲击强度平均值最低，为0.0145 J/mm2。结果经独立t检验，显著数为0000 (P< 0.05)，说明组间冲击强度FRAR存在显著影响。背景:丙烯酸树脂作为一种牙科材料，由于其柔韧性好、易获得、价格低廉以及生物相容性好而被广泛应用于人工牙基。丙烯酸树脂本身具有脆性和易断裂的缺点。克服这些缺点的一个解决方案是将剑麻纤维添加到丙烯酸树脂中，称为纤维增强丙烯酸树脂(FRAR)。本研究的目的是了解剑麻纤维的加入对FRAR冲击强度的影响。方法:采用后验组设计作为实验室实验。所用样品为32块热固化的丙烯酸树脂板，尺寸为55x10x10mm。试验组分为两组，一组不碱化，另一组碱化。采用万能试验机(UTM)进行冲击强度测试。结果:碱化组的冲击强度平均值最高，为0.0214 J/mm2;非碱化组的冲击强度平均值最低，为0.0145 J/mm2。结果经独立t检验，显著数为0000 (P< 0.05)，说明组间冲击强度FRAR存在显著影响。结论:碱化处理后FRAR的冲击强度增加，碱化处理后FRAR的冲击强度增加

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Jurnal Medali

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