在放射治疗后,自蚀刻粘接系统对牙的有效性:关于微拉伸和微切割粘接强度的观点
Daniella Cristo Santin1, Isabella Dorigheto de Souza1, Ana Carolina Cunha Rodrigues1
1Department of Operative Dentistry, Endodontics and Dental Materials, Bauru School of Dentistry, University of São Paulo, Bauru, SP, Brazil.
Clinical oral investigations
|October 25, 2024
概括
牙粘合剂在声音和辐射牙上表现出不同的粘合强度. 在微拉伸性测试中,FL Bond II在辐射牙上表现出更好的稳定性,而Clearfil SE Bond在微切割测试中表现出色.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 粘附科学 粘附科学 粘附科学
背景情况:
- 自蚀刻牙粘合剂利用化学相互作用与牙的进行粘合.
- 放射治疗后的牙表现出改变的特性,可能会影响粘合性能.
- 了解各种牙基板上的粘合行为对于临床成功至关重要.
研究的目的:
- 为了评估两个自蚀刻粘合剂系统在声音和放射治疗后照射牙上的粘合强度.
- 为了比较基于10-MDP的粘合剂 (Clearfil SE Bond) 和含有碳酸/酸单体和S-PRG颗粒 (FL Bond II) 的粘合剂的性能.
- 评估六个月的粘合键的长期稳定性.
主要方法:
- 使用了微拉力键强度 (μTBS) 和微切割键强度 (μSBS) 的测试.
- 使用了来自人类牙的声音牙 (SD) 和辐射牙 (ID).
- 最初 (24小时) 和六个月后,通过骨折模式分析来评估粘合性能.
主要成果:
- 对于μTBS (p<0.001) 观察到基质和粘合剂之间的显著相互作用.
- 克莱尔菲尔SE债券 (SE) 和FL债券II (FL) 显示出基于牙类型和测试方法的差异性性能.
- 在μTBS中,FL在辐射牙上表现出优异的稳定性,而在μSBS中,SE在辐射牙上表现更好.
结论:
- 粘合性能取决于基质,并受测试方法的影响.
- 在μTBS中,FL Bond II在辐射牙上表现出更大的稳定性,而Clearfil SE Bond在μSBS中表现出色.
- 具有功能单体和生物活性成分的自蚀刻粘合剂可能为易受辐射治疗后易受伤害的牙提供有效的粘合解决方案.
更多相关视频
07:42Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
317
03:37Impact of Fabrication Techniques and Polishing Procedures on Surface Roughness of Denture Base Resins
Published on: January 17, 2025
267
相关概念视频
01:18Effects of EDTA on End-Point Detection Methods
Different methods, such as visual observance of metal-ion indicators, spectroscopic techniques, and potentiometric methods, can determine the endpoint of an EDTA titration.
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
In the visual method, metal-ion indicators (metallochromic dyes), which have distinct colors in their free and complex forms, are added to the mixture to signal the titration's end point. They form stable complexes with metal ions, but these complexes are weaker than the corresponding metal–EDTA complexes. As a result, EDTA...
01:12Bonding and Strength of Aggregate
The bond between aggregate particles and the cement matrix is significantly influenced by the shape and surface texture of the aggregates. High-strength concretes benefit from a rougher texture, which leads to stronger bonding due to greater adhesion. Angular aggregates with larger surface areas also enhance this bond. The bonding quality, however, is complex to assess as no universally accepted test exists. Good bonding is indicated when a crushed concrete specimen shows some aggregate...