Er Cr: YSGG激光、镱光纤激光和玫瑰红激活低能级激光治疗氧化钇稳定氧化锆的粗糙度和剪切结合强度。

IF 2.6
Ghadeer Islem Basunbul
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A self-adhesive resin cement was built on ten samples from each group and photo polymerized, followed by artificial ageing. The SBS and failure modes were assessed using a universal testing machine and a stereomicroscope, respectively. The data was evaluated using ANOVA and a post hoc test, p = 0.05.</p><p><strong>Results: </strong>Samples surface treated with YFL attained the highest Ra scores (1334.32 ± 0.065 µm) and highest bond strength (9.34±0.29 MPa). In contrast, the 3Y-TZP discs surface treated with LLLT-RB exhibited the lowest Ra value (870.56 ± 0.076 µm) and the lowest bond values (5.76±0.34 MPa). Zirconia disc surface treated with ECL and SB groups demonstrated admixed failures. 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引用次数: 0

摘要

目的:Er Cr: YSGG激光(ECL)、镱光纤激光(YFL)、Rose Bengal (RB)激活低能级激光治疗(LLLT)对钇稳定四边形氧化锆多晶(Y-TZP)与树脂水泥结合表面粗糙度(Ra)和剪切强度(SBS)的影响。材料与方法:制备64个3Y-TZP椎间盘,根据调理方案将其分为4组(n=16): 1组(SB), 2组(ECL), 3组(YFL), 4组(LLLT-RB)。使用剖面仪对每组5个样本进行Ra评估。在扫描电子显微镜(SEM)下对每组样品进行表面形貌分析。在每组10个样品上建立自粘树脂水泥,并进行光聚合,然后进行人工老化。使用万能试验机和体视显微镜分别对SBS和失效模式进行了评估。数据采用方差分析和事后检验进行评估,p = 0.05。结果:经YFL处理的样品表面Ra得分最高(1334.32±0.065µm),结合强度最高(9.34±0.29 MPa)。相比之下,经LLLT-RB处理的3Y-TZP圆盘表面Ra值最低(870.56±0.076µm),键合值最低(5.76±0.34 MPa)。ECL组和SB组处理的氧化锆表面出现混合性失效。另一方面,LLLT (RB)发生粘连骨折的频率最高。结论:镱光纤激光在改善氧化锆与树脂水泥的表面粗糙度和剪切结合强度方面表现出最满意的效果,可作为氧化锆表面预处理的一种替代方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Er Cr: YSGG laser, ytterbium fiber laser, and Rose Bengal-activated low-level laser therapy on roughness and shear bond strength of yttria-stabilized zirconia.

Aim: Effect of Er Cr: YSGG laser (ECL), ytterbium fiber laser (YFL), Rose Bengal (RB) activated low-level laser therapy (LLLT) on the surface roughness (Ra) and shear bond strength (SBS) of yttrium-stabilized tetragonal zirconia polycrystal (Y-TZP) bonded to resin cement.

Materials and methods: Sixty-four 3Y-TZP discs were prepared, and subsequently, categorized into four distinct groups based on the conditioning regimen (n=16): Group 1 (SB), Group 2 (ECL), Group 3 (YFL), and Group 4 (LLLT-RB). The Ra assessment was performed on five samples from each group using a profilometer. One specimen from each group was subjected to surface topography analysis under a scanning electron microscope (SEM). A self-adhesive resin cement was built on ten samples from each group and photo polymerized, followed by artificial ageing. The SBS and failure modes were assessed using a universal testing machine and a stereomicroscope, respectively. The data was evaluated using ANOVA and a post hoc test, p = 0.05.

Results: Samples surface treated with YFL attained the highest Ra scores (1334.32 ± 0.065 µm) and highest bond strength (9.34±0.29 MPa). In contrast, the 3Y-TZP discs surface treated with LLLT-RB exhibited the lowest Ra value (870.56 ± 0.076 µm) and the lowest bond values (5.76±0.34 MPa). Zirconia disc surface treated with ECL and SB groups demonstrated admixed failures. LLLT (RB), on the other hand, exhibited adhesive fractures with the highest frequency.

Conclusion: Ytterbium fiber laser displayed the most satisfactory performance in terms of improving surface roughness and shear bond strength of zirconia with the resin cement, and can be used as an alternative surface pretreating regime for zirconia.

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