Er、Cr:YSGG和飞秒激光对生物活性和树脂改性玻璃离子水泥牙本质粘附性的影响

Fahad H. Alkhudhairy, Y. AlFawaz
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摘要

目的:本研究考察了生物活性树脂水泥(BARC)和树脂改性玻璃离聚物水泥(RMGIC)与牙本质的剪切粘结强度(SBS)和破坏模式:YSGG(ECrL)和飞秒激光(FSL)处理的牙本质的粘结强度(SBS)和失效模式。方法:选择并处理 120 颗未龋坏、未折断且未进行过修复的人类臼齿。牙齿按表面条件分组。第 1 组和第 5 组为未经处理的对照组。第 2 组和第 6 组进行了 ECrL 表面处理,第 3 组和第 7 组进行了 FSL 表面处理。第 4 组和第 8 组进行了 EDTA 和 Tetric N-Bond Universal 表面处理。第 1-4 组(n = 15)使用 BARC 进行粘接,而第 5-8 组则使用 RMGIC。万能试验机(UTM)测试剪切粘接强度,立体显微镜研究失效模式。比较结果需要采用均值、标度、方差分析和 Tukey 后检验。结果 未进行调节的第 1 组的 BARC 粘合 SBS 最低。在第 4 组中,与 BARC 粘合的 EDTA+ Tetric N-Bond Universal 条件牙本质的 SBS 值最大。在 RMGIC 粘合组中,未进行牙本质调理的第 5 组的粘接值最低,而 EDTA+ Tetric NBond Universal 调理牙本质的粘接值最高。结论:EDTA和Tetric N-Bond Universal调理牙本质可提高RMGIC和BARC粘接强度。本研究的调节方法提高了粘接强度。
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Low-Level Laser Therapy of Er, Cr: YSGG and Femtosecond on Dentin Adhesion with Bioactive and Resin-Modified Glass Ionomer Cement
Aim: This study examined the shear bond strength (SBS) and mode of failure of bioactive resin cement (BARC) and resin-modified glass ionomer cement (RMGIC) to dentin treated with Er, Cr: YSGG (ECrL) and femtosecond laser (FSL). Methods: 120 non-carious, non-fractured human molars without prior restorations were selected and processed. The teeth were grouped by surface conditioning. Groups 1 and 5 were untreated controls. Groups 2 and 6 had ECrL surface treatment, while Groups 3 and 7 had FSL. EDTA and Tetric N-Bond Universal conditioned Groups 4 and 8. Groups 1–4 (n = 15) employed BARC for bonding, while Groups 5–8 used RMGIC. A universal testing machine (UTM) tested shear bond strength, and a stereomicroscope studied the failure mode. Comparing findings required means, SDs, ANOVA, and Tukey’s post hoc test. Results: Group 1, without conditioning, has the lowest BARC-bonded SBS. In Group 4, EDTA+ Tetric N-Bond Universal-conditioned dentin bonded to BARC had the greatest SBS values. In the RMGIC-bonded groups, Group 5 without dentin conditioning had the lowest bond values, while EDTA+ Tetric NBond Universal-conditioned dentin had the greatest. Conclusion: EDTA and Tetric N-Bond Universal dentin conditioning improves RMGIC and BARC bond strength. This study’s conditioning methods boosted bond strength.
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