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不同活化义齿基托材料强度的比较分析，包括新型基于缩醛树脂的生物义齿塑料。

Comparative Analysis of Strength of Differently Activated Denture Base Materials Including Recent Acetal Resin-Based Biodentaplast.

作者信息

R Shakir Ahmed, Kalidasan Selvi Bharanija, Shankar Shyam Sundar, Hariharan Annapoorni

机构信息

Prosthodontics, Sri Ramachandra Institute of Higher Education and Research, Chennai, IND.

Prosthodontics, Meenakshi Ammal Dental College and Hospital, Chennai, IND.

出版信息

Cureus. 2024 Feb 22;16(2):e54676. doi: 10.7759/cureus.54676. eCollection 2024 Feb.

DOI:10.7759/cureus.54676
PMID:38524084
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10960503/
Abstract

AIM AND OBJECTIVES

The aim of this study is to comparatively analyse the compressive and tensile strength of different types of record base materials made of different materials and processing techniques.

MATERIALS AND METHODOLOGY

The compressive and tensile strength of 4 types of injection moulded materials were compared with a control of conventional compression moulded material. Twenty test specimens (10 tensile and 10 compressive) were fabricated from each material. A test was done using the Instron 3382 (Norwood, MA, USA) universal testing machine.

RESULTS

Compressive and tensile test values showed significant differences between the record base resin groups tested for both compressive and tensile strength tests (p=0.00). The mean tensile strength value was greatest for Group V (66.0 MPa) and lowest for Group III (41.9MPa) and the mean compressive strength value was greatest for Group I (74.5 MPa) followed by Group V (70.2 MPa) and lowest for Group III (10.8 MPa).

CONCLUSION

Injection moulded acetal resin showed the highest tensile strength value; it was comparable to that of conventional compression moulded polymethyl methacrylate (PMMA). Compression moulding is reported to have the highest compressive strength values followed by injection moulded acetal resin material. Injection moulded acetal resin material attributed to its advantages and superior strength value, can be used as a material of choice in various clinical scenarios.

摘要

目的与目标

本研究旨在比较分析由不同材料和加工技术制成的不同类型记录基托材料的抗压强度和抗拉强度。

材料与方法

将4种注塑材料的抗压强度和抗拉强度与传统模压材料的对照组进行比较。每种材料制作20个测试样本（10个拉伸样本和10个压缩样本）。使用英斯特朗3382型（美国马萨诸塞州诺伍德）万能材料试验机进行测试。

结果

对于抗压强度和抗拉强度测试，所测试的记录基托树脂组之间的抗压和抗拉测试值显示出显著差异（p = 0.00）。第五组的平均抗拉强度值最高（66.0兆帕），第三组最低（41.9兆帕）；第一组的平均抗压强度值最高（74.5兆帕），其次是第五组（70.2兆帕），第三组最低（10.8兆帕）。

结论

注塑乙缩醛树脂显示出最高的抗拉强度值；它与传统模压聚甲基丙烯酸甲酯（PMMA）的抗拉强度值相当。据报道，模压成型的抗压强度值最高，其次是注塑乙缩醛树脂材料。注塑乙缩醛树脂材料因其优点和优越的强度值，可作为各种临床场景中的首选材料。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/627d11cf7a98/cureus-0016-00000054676-i05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/0d544e103540/cureus-0016-00000054676-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/252a66499652/cureus-0016-00000054676-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/6aab8be5dfa7/cureus-0016-00000054676-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/5fec9424134c/cureus-0016-00000054676-i04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/627d11cf7a98/cureus-0016-00000054676-i05.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/0d544e103540/cureus-0016-00000054676-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/252a66499652/cureus-0016-00000054676-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/6aab8be5dfa7/cureus-0016-00000054676-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/5fec9424134c/cureus-0016-00000054676-i04.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df74/10960503/627d11cf7a98/cureus-0016-00000054676-i05.jpg

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