COMPARISION OF TRANSVERSE STRENGTH OF POLYMETHYLMETHACRYLATE RESINWITH REINFORCED PMMA BY STAINLESS STEEL WIRE, METALLIC MESH ANDPOLYETHYLENE FIBER

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AHMADZADEH ASADOLLAH; ZIAEI SEYED ALI; SHAMSAYI MARYAM; FATHALIPOUR DARYUSH; ROHANI ALI

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Journal: Jundishapur Scientific Medical Journal Year:2016 | Volume:15 | Issue:1 Page(s): 105-115

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Title

COMPARISION OF TRANSVERSE STRENGTH OF POLYMETHYLMETHACRYLATE RESINWITH REINFORCED PMMA BY STAINLESS STEEL WIRE, METALLIC MESH ANDPOLYETHYLENE FIBER

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Keywords

PMMA RESINQ1

POLYETHYLENE FIBERSQ1

TRANSVERSE STRENGTHQ1

Abstract

Background and Objective: Denture fracture due to excessivethickness, malocclusion or other traumas during sneezing or washingare disadvantages of acrylic prosthetics and PMMA RESIN. So furthermethods are needed to increase their TRANSVERSE STRENGTH. Althoughthere are many studies on reinforcing and modifying withcopolymers, cross–linking or use of metallic or fibric strengtheners toenhance mechanical properties, There are limited studies withparadoxical results. The aim of this study was to compare thetransverse strength between reinforcement with polyethylene fiberand two older methods (stainless steel, metallic mesh).Subjects and Methods: In this study 40 PMMA RESIN samples (65x12x3 mm) were made and categorized in 4 groups: With noreinforcing agent (control group); with metal wire (diameter 1.0mm); with metal mesh (diameter 0.3 mm) and with polyethylene fiber (Fibre–braid). These samples were put to 3-point loading test byInstron universal testing machine.Results: The average TRANSVERSE STRENGTH in control group was 78.37MPa and for three other groups: metallic wire, mesh and polyethylenefibers, in sequence, were 80.25 MPa, 9 MPa and 78.56 MPa. Theresults were not statistically significant (P>0.05).Conclusion: Reinforcing the acrylic resin using different techniquesdo not produce increases in TRANSVERSE STRENGTH in comparison withthe conventional acrylic resin with no reinforcement. Therefore, noneof the tested techniques are recommended.

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APA: Copy

AHMADZADEH, ASADOLLAH, ZIAEI, SEYED ALI, SHAMSAYI, MARYAM, FATHALIPOUR, DARYUSH, & ROHANI, ALI. (2016). COMPARISION OF TRANSVERSE STRENGTH OF POLYMETHYLMETHACRYLATE RESINWITH REINFORCED PMMA BY STAINLESS STEEL WIRE, METALLIC MESH ANDPOLYETHYLENE FIBER. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, 15(1), 105-115. SID. https://sid.ir/paper/12739/en

Vancouver: Copy

AHMADZADEH ASADOLLAH, ZIAEI SEYED ALI, SHAMSAYI MARYAM, FATHALIPOUR DARYUSH, ROHANI ALI. COMPARISION OF TRANSVERSE STRENGTH OF POLYMETHYLMETHACRYLATE RESINWITH REINFORCED PMMA BY STAINLESS STEEL WIRE, METALLIC MESH ANDPOLYETHYLENE FIBER. JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL[Internet]. 2016;15(1):105-115. Available from: https://sid.ir/paper/12739/en

IEEE: Copy

ASADOLLAH AHMADZADEH, SEYED ALI ZIAEI, MARYAM SHAMSAYI, DARYUSH FATHALIPOUR, and ALI ROHANI, “COMPARISION OF TRANSVERSE STRENGTH OF POLYMETHYLMETHACRYLATE RESINWITH REINFORCED PMMA BY STAINLESS STEEL WIRE, METALLIC MESH ANDPOLYETHYLENE FIBER,” JUNDISHAPUR SCIENTIFIC MEDICAL JOURNAL, vol. 15, no. 1, pp. 105–115, 2016, [Online]. Available: https://sid.ir/paper/12739/en

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