Mark A Latta, Akimasa Tsujimoto, Toshiki Takamizawa, Wayne W Barkmeier
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引用次数: 5
摘要
目的:采用剪切粘接强度(SBS)和剪切疲劳强度(SFS)试验，比较自粘修复材料与复合树脂与通用胶粘剂的粘接耐久性。材料和方法:使用万能胶粘剂Prime & Bond Active，以自蚀刻方式将Z-100复合树脂粘接在牙釉质和牙本质上。三种市售修复材料和一种具有自粘性能的实验材料Activa (A)、Fuji II LC(F)、Equia Forte (E)和ASAR-MP4 (S)也与牙釉质和牙本质结合。测定了所有材料的SBS和SFS。采用阶梯法以10 Hz频率测定5万次循环或直至故障发生的SFS。结果:在牙釉质上，S值与粘接剂/复合材料相近，高于F、E和a。在牙本质上，复合/通用粘接剂的SBS和SFS值明显高于自粘材料。S、F、E对牙本质的影响大于A。结论:除Activa对牙釉质产生较低的牙釉质值外，所有材料对牙釉质的SBS和SFS值相似。在牙本质表面，除Activa外，自粘材料产生的SBS和SFS相似。这些值低于复合树脂和通用粘合剂产生的值。
Enamel and Dentin Bond Durability of Self-Adhesive Restorative Materials.
Purpose: To use shear bond strength (SBS) and shear fatigue strength (SFS) testing to determine the durability of adhesion of self-adhesive restorative materials compared to composite resin bonded with a universal adhesive.
Materials and methods: A universal adhesive, Prime & Bond Active, was used in self-etch mode to bond Z-100 composite resin to enamel and dentin. Three commercially available restorative materials and one experimental material with self-adhesive properties, Activa (A), Fuji II LC(F), and Equia Forte (E) and ASAR-MP4 (S) were also bonded to enamel and dentin. The SBS and SFS were determined for all materials. A staircase method was used to determine the SFS with 10 Hz frequency for 50,000 cycles or until failure occurred.
Results: On enamel, S generated similar values to the adhesive/composite materials and higher values than F, E, and A. On dentin, the composite/universal adhesive showed significantly higher SBS and SFS than the self-adhesive materials. S, F, and E generated higher values than A on dentin.
Conclusion: SBS and SFS values to enamel were similar for all materials tested except Activa which generated lower enamel values. On dentin surfaces, the self-adhesive materials generated similar SBS and SFS, with the exception of Activa. Those values were lower than that generated with composite resin and a universal adhesive.
期刊介绍：
New materials and applications for adhesion are profoundly changing the way dentistry is delivered. Bonding techniques, which have long been restricted to the tooth hard tissues, enamel, and dentin, have obvious applications in operative and preventive dentistry, as well as in esthetic and pediatric dentistry, prosthodontics, and orthodontics. The current development of adhesive techniques for soft tissues and slow-releasing agents will expand applications to include periodontics and oral surgery. Scientifically sound, peer-reviewed articles explore the latest innovations in these emerging fields.
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