通用粘合剂是否能长期有效地粘结氧化锆?

IF 0.9 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Contemporary Clinical Dentistry Pub Date : 2023-10-01 Epub Date: 2023-12-19 DOI:10.4103/ccd.ccd_327_23
Raquel de Oliveira Lopes, Deise Caren Somacal, Cláudia Freitas de Moura Modena, Ana Maria Spohr
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引用次数: 0

摘要

背景:通用粘合剂的粘接能力应与氧化锆专用底漆相当。因此,本研究评估了四种通用粘合剂和一种氧化锆底漆在长期储存过程中与氧化锆的粘合强度:用 50 µm 的氧化铝颗粒对 75 个氧化锆样品的表面进行喷砂处理,然后将其分为几组(n = 15):G1 - 单粘结通用型 (SBU);G2 - 全粘结通用型;G3 - 峰值通用粘结型;G4 - Ambar 通用型 (AU) 和 G5 - Z-Prime Plus (ZP)。在应用的材料上构建了一个树脂复合材料锥体。24 小时后,使用万能试验机对样品进行拉伸粘接强度测试。然后,从样品表面去除剩余材料,并按照之前所述的方法再次对表面进行抛光和喷砂处理,以获得相同的组别。这些新样品在 37°C 的蒸馏水中保存 12 个月,然后进行拉伸粘接强度测试。数据通过双向方差分析和 Tukey 检验(α =0.05)进行分析:材料因素(P = 0.001)和储存因素(P = 0.001)显著,交互作用不显著(P = 0.117)。根据 Tukey 检验,不同字母后的粘接强度平均值(单位:兆帕)差异显著。24 小时后,G5 = 21.12 A,G1 = 20.55 A,G4 = 19.19 AB,G2 = 14.22 B,G3 = 8.44 C;12 个月后,G1 = 7.37 A,G5 = 5.61 AB,G4 = 4.97 B,G2 = 3.32 C,G3 = 1.93 D:结论:24 小时后,SBU 和 AU 的粘接强度与 ZP 相当。
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Are Universal Adhesives Effective for Bonding to Zirconia in the Long Term?

Background: The bond capacity of universal adhesives should be comparable to a specific primer for zirconia. Thus, this study evaluated the bond strength to zirconia of four universal adhesives and a zirconia primer over long-term storage.

Materials and methods: The surfaces of 75 samples of zirconia were sandblasted with 50 µm aluminum oxide particles and then divided into groups (n = 15): G1 - Single Bond Universal (SBU); G2 - All Bond Universal; G3 - Peak Universal Bond; G4 - Ambar Universal (AU), and G5 - Z-Prime Plus (ZP). A cone of resin composite was constructed on the applied materials. The samples were submitted to a tensile bond strength test after 24 h using a universal testing machine. Then, the remaining materials were removed from the sample surfaces, and the surfaces were polished and sandblasted again as previously described to obtain the same groups. These new samples were stored in distilled water at 37°C for 12 months and then submitted to a tensile bond strength test. The data were analyzed by two-way analysis of variance and Tukey's test (α =0.05).

Results: The material factor (P = 0.001) and the storage factor (P = 0.001) were significant, and the interaction was not significant (P = 0.117). According to Tukey's test, bond strength mean values (in MPa) followed by distinct letters were significantly different. After 24 h, G5 = 21.12 A, G1 = 20.55 A, G4 = 19.19 AB, G2 = 14.22 B, and G3 = 8.44 C. After 12 months, G1 = 7.37 A, G5 = 5.61 AB, G4 = 4.97 B, G2 = 3.32 C, and G3 = 1.93 D. After 12 months of storage, all groups' bond strength significantly decreased.

Conclusions: SBU and AU had bond strengths comparable to ZP after 24 h. No material resisted water degradation.

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来源期刊
Contemporary Clinical Dentistry
Contemporary Clinical Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
1.50
自引率
0.00%
发文量
52
审稿时长
23 weeks
期刊介绍: The journal Contemporary Clinical Dentistry (CCD) (Print ISSN: 0976-237X, E-ISSN:0976- 2361) is peer-reviewed journal published on behalf of Maharishi Markandeshwar University and issues are published quarterly in the last week of March, June, September and December. The Journal publishes Original research papers, clinical studies, case series strictly of clinical interest. Manuscripts are invited from all specialties of Dentistry i.e. Conservative dentistry and Endodontics, Dentofacial orthopedics and Orthodontics, Oral medicine and Radiology, Oral pathology, Oral surgery, Orodental diseases, Pediatric Dentistry, Periodontics, Clinical aspects of Public Health dentistry and Prosthodontics. Review articles are not accepted. Review, if published, will only be by invitation from eminent scholars and academicians of National and International repute in the field of Medical/Dental education.
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