Comparison of the Fracture Resistance of Injectable, Heat-Cured and Self-Cured Acrylic Resins Using Three-Point Flexural Test

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Talebi Ezabadi Hojat; MAHABADI MEYSAM; Kowsari Amir Hossein

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Title

Comparison of the Fracture Resistance of Injectable, Heat-Cured and Self-Cured Acrylic Resins Using Three-Point Flexural Test

Author(s)

Talebi Ezabadi Hojat | MAHABADI MEYSAM | Kowsari Amir Hossein | Issue Writer Certificate

Keywords

Acrylic resinsQ1

Flexural strengthQ2

DenturesQ2

Abstract

Introduction: Fracture of the denture base and its repair are one of the main concerns of patients with a complete denture. This is often due to patients’ carelessness in maintaining Dentures, or a low strength and resistance of the acrylic resin. This study aimed to compare the fracture resistance of heat-cured, self-cured, and injectable Acrylic resins using a three-point flexural test. Materials & Methods: In this experimental study, 30 blocks of acrylic resin (Ivoclar VivaDent-Liechtenstein), measuring 2. 5×25×50 mm, were prepared with three methods of heatcured ¸ self-cured, and injection. The samples were incubated for 24 hours to simulate the oral conditions. The samples were then subjected to three-point flexural testing in a universal testing machine. The force required for the failure of the samples was measured, and the results were compared and analyzed using Kruskal-Wallis and Wilcoxon tests with SPSS 22 (α = 0. 05). Results: Among the three samples, the fracture resistance of the self-cured acrylic resin was the lowest, and the fracture resistance of the injected acrylic resin was the highest. The differences in fracture resistance between the Acrylic resins were significant (p value < 0. 001). Conclusion: Since the injected acrylic resin exhibited the highest fracture resistance, it is more appropriate for the fabrication of fracture-resistant Dentures.

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APA: Copy

Talebi Ezabadi, Hojat, MAHABADI, MEYSAM, & Kowsari, Amir Hossein. (2020). Comparison of the Fracture Resistance of Injectable, Heat-Cured and Self-Cured Acrylic Resins Using Three-Point Flexural Test. JOURNAL OF ISFAHAN DENTAL SCHOOL, 16(3 ), 308-313. SID. https://sid.ir/paper/404682/en

Vancouver: Copy

Talebi Ezabadi Hojat, MAHABADI MEYSAM, Kowsari Amir Hossein. Comparison of the Fracture Resistance of Injectable, Heat-Cured and Self-Cured Acrylic Resins Using Three-Point Flexural Test. JOURNAL OF ISFAHAN DENTAL SCHOOL[Internet]. 2020;16(3 ):308-313. Available from: https://sid.ir/paper/404682/en

IEEE: Copy

Hojat Talebi Ezabadi, MEYSAM MAHABADI, and Amir Hossein Kowsari, “Comparison of the Fracture Resistance of Injectable, Heat-Cured and Self-Cured Acrylic Resins Using Three-Point Flexural Test,” JOURNAL OF ISFAHAN DENTAL SCHOOL, vol. 16, no. 3 , pp. 308–313, 2020, [Online]. Available: https://sid.ir/paper/404682/en

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