Tamir Materyali Tipi ve Yaşlandırmanın Çeşitli Suni Dişlere Olan Bağlanma Dayanımı Üzerine Etkisi

Q3 Dentistry Cumhuriyet Dental Journal Pub Date : 2023-06-23 DOI:10.7126/cumudj.1228510

Nazire Esra Özer, Ece İrem Oğuz

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Abstract

Objectives: To compare repair bond strength of acrylic and composite resin to different type of artificial teeth with and without thermocycling aging (TMC). Materials and Methods: A total of 192 specimens were prepared using four different types of artificial teeth (n=48) (Group CA-Conventional polymethylmethacrylate, Group IS-Isosite, Group DCL-Double cross-linked acrylic, Group NC-Nanohybrid composite). All specimens were aged with thermocycling (TMC; 5000 cycles, 5◦C/55◦C) and repaired with auto-polymerized acrylic resin or composite resin. Half of the repaired samples were subjected to shear bond strength (SBS) test while the other half were subjected to TMC to simulate the aging of the repair material. Then, artificially aged specimens were also subjected to SBS test. Data were statistically analyzed by three-way analysis of variance (ANOVA). Paired comparisons were made using one-way ANOVA, and multiple comparisons were made using Tukey HSD test (α=0.05). Results: The bond strength of both non-aged and artificially aged composite resin and non-aged acrylic resin did not differ according to artificial teeth type (p>0.05). However, artificially aged acrylic resin showed higher bond strength for group CA (9.25±2.96) than for group NC (5.01±3.09) (p

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对连接到其他太阳类型和渲染引擎的影响

目的：比较丙烯酸树脂和复合树脂对不同类型的假牙在热循环老化（TMC）和不热循环老化的情况下的修复结合强度。材料和方法：使用四种不同类型的假牙（n=48）（CA组常规聚甲基丙烯酸甲酯、IS组Isosite、DCL组双交联丙烯酸、NC组纳米杂化复合材料）共制备192个标本。所有样品均采用热循环（TMC；5000次循环，5次◦C/55◦C）并用自聚合丙烯酸树脂或复合树脂进行修复。对一半的修复样品进行剪切结合强度（SBS）测试，而对另一半进行TMC以模拟修复材料的老化。然后，对人工老化的试样进行SBS试验。通过三元方差分析（ANOVA）对数据进行统计学分析。使用单因素方差分析进行配对比较，并使用Tukey HSD检验进行多重比较（α=0.05）。结果：未老化和人工老化的复合树脂和未老化的丙烯酸树脂的结合强度根据假牙类型没有差异（p>0.05）。然而，人工老化丙烯酸树脂的粘结强度CA组（9.25±2.96）高于NC组（5.01±3.09）（p

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