镱光纤激光、孔雀石绿激活低能级激光治疗对二硅酸锂陶瓷与羟基磷灰石改性自粘树脂水泥的表面形貌、接触角和剪切粘结强度的影响。

IF 2.6 3区医学 Q2 ONCOLOGY

Photodiagnosis and Photodynamic Therapy Pub Date : 2025-07-30 DOI:10.1016/j.pdpdt.2025.104737

Eman M Alhamdan

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引用次数: 0

摘要

目的：不同预处理方案，即氢氟酸（HF）、镱光纤激光（YFL）、孔雀石绿（MG）激活的低水平激光治疗（LLLT）对二硅酸锂陶瓷（LDC）与1%羟基磷灰石纳米颗粒（HANPs）结合的自粘树脂水泥（SARC）材料的表面形貌、接触角和剪切强度（SBS）的影响。获得78个LDC圆盘，根据不同的表面处理技术随机分为三组（n=26）： 1组：HF Acid， 2组：YFL， 3组：MG-LLLT。使用测角仪对每组5个样品进行接触角测量。扫描电镜（SEM）分析了不同预处理后的表面形貌变化。用1%的HANP对SARC进行改性，其次是转化率（DC）。每组20个椎间盘根据SARC的应用类型进一步分为未修饰SARC (A)和hanp修饰SARC (B)两个亚组（n=10）。两种胶结物均建立在LDC盘上，并通过通用试验机和体视显微镜进行SBS和破坏模式测试。接触角和SBS的方法采用单因素方差分析（ANOVA），然后进行事后Tukey检验（p = 0.05）。结果：mg - lllt治疗组lddc椎间盘接触角最高（32.2±1.9）。2组（YFL）（9.6±0.9）椎间盘接触角最小。2B组（YFL+HANPs改性SARC）（11.22±1.1 MPa）的粘结强度最高。相反，3A组（MG-LLLT + SARC）中最不厚椎间盘的键合值最低（5.29±0.8 MPa）。与对照组（52.3±0.68）相比，含有SARC的1% HANPs的DC（61.6±0.72%）显著提高（p小于0.05）。结论：镱光纤激光器可作为调理二硅酸锂陶瓷的替代材料，降低了接触角，提高了胶粘剂树脂水泥的结合强度。羟基磷灰石纳米颗粒掺入到自粘树脂水泥中，导致了更高的转化程度和与二硅酸锂陶瓷的剪切结合强度。

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Ytterbium fiber laser, Malachite green activated low-level laser therapy on the surface topography, contact angle, and shear bond strength of Lithium disilicate ceramic bonded to hydroxyapatite modified self-adhesive resin cement

Aims

Impact of different pretreatment regimes i.e., Hydrofluoric (HF) acid, ytterbium fiber laser (YFL), Malachite green (MG) activated low level laser therapy (LLLT) on the surface topography, contact angle, and shear bond strength (SBS) of Lithium disilicate ceramic (LDC) bonded to 1 % hydroxyapatite nanoparticles (HANPs) incorporated self-adhesive resin cement (SARC)

Material and methods

Seventy-Eight LDC discs were obtained and were arbitrarily assigned into three groups based on different surface conditioning techniques (n = 26) Group 1: HF Acid, Group 2: YFL and Group 3: MG-LLLT. A contact angle measurement was performed on five samples from each group using a goniometer. A scanning electron microscope (SEM) analyzed the surface topographic changes after different pretreatments. The SARC was modified using 1 % HANP, followed by the degree of conversion (DC). Twenty discs from each group were further divided into two subgroups based on the application of the type of SARC, Unmodified SARC (A) and HANP-modified SARC (B) (n = 10). Both the cements were built on the LDC discs and were subjected to SBS and failure mode testing through the utilization of a universal testing machine and a stereomicroscope. The means of the contact angle and SBS were subjected to a one-way analysis of variance (ANOVA) followed by post hoc Tukey's test (p = 0.05).

Result

Group 3 MG-LLLT-treated LDC discs achieved the highest contact angle (32.2 ± 1.9). Whereas Group 2 (YFL) (9.6 ± 0.9) conditioned discs presented the lowest contact angle. The specimens categorized under Group 2B (YFL + HANPs modified SARC) (11.22 ± 1.1 MPa) achieved the highest bond strength. Conversely, the LDC discs within Group 3A (MG-LLLT + SARC) displayed the lowest bond values (5.29 ± 0.8 MPa). Moreover, 1 % HANPs incorporated SARC displayed significantly higher DC (61.6 ± 0.72 %) than that of the control (52.3 ± 0.68) (p˂0.05).

Conclusion

Ytterbium fiber laser can be used as a substitute for conditioning lithium disilicate ceramics, as it reduces the contact angle and improves the bond strength of adhesive resin cement. Hydroxyapatite nanoparticles incorporated into the self-adhesive resin cement resulted in a higher degree of conversion and shear bond strength to the lithium disilicate ceramic.

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来源期刊

Photodiagnosis and Photodynamic Therapy ONCOLOGY-

CiteScore

5.80

自引率

24.20%

发文量

509

审稿时长

50 days

期刊介绍： Photodiagnosis and Photodynamic Therapy is an international journal for the dissemination of scientific knowledge and clinical developments of Photodiagnosis and Photodynamic Therapy in all medical specialties. The journal publishes original articles, review articles, case presentations, "how-to-do-it" articles, Letters to the Editor, short communications and relevant images with short descriptions. All submitted material is subject to a strict peer-review process.