Bond strength evaluation of cyanoacrylate-based adhesives and screws for bone fixation
Bond strength evaluation of cyanoacrylate-based adhesives and screws for bone fixation
复制标题
DOI：
10.1007/s10006-015-0541-2
复制
发表时间：
2016-06-01
影响因子：
1.8
通讯作者：
de Araujo, Melissa Rodrigues
中科院分区：
文献类型：
--
作者：
Vieira, Juliana de Souza;Santos, Felipe Rychuv;de Araujo, Melissa Rodrigues
植骨是一种非常常见的手术，在植牙前需要增加骨体积时进行。螺钉和微型钢板是接骨术的临床标准。然而，已经报道了这种方法的一些缺点，包括放射图像上的伪影、感染、螺丝钉松动以及需要取出干扰牙种植体的螺丝钉。将猪颌骨标本切割成2×6×20 mm的长条形，用5 mm的氰基丙烯酸丁酯和氰基丙烯酸乙酯重叠粘接，在接触区中心插入1.5 mm的钛螺丝钉。这些块被固定在剪切粘结强度装置上，该装置耦合到万能试验机上。将最大力(N)记录在计算机上，并除以结合面积(mm(2))，以计算结合强度(Mpa)。数据经方差分析和Tukey‘s检验(α=0.05)进行统计学分析，结果表明，螺丝钉的剪切粘接强度明显高于两种氰基丙烯酸酯粘结剂，两种粘接剂的粘接强度具有统计学上的相似性，具有用于骨固定的生物力学潜力。氰基丙烯酸乙酯是一种廉价的多用途粘结剂，可作为骨固定的替代材料。
Bone graft is a very common procedure that is performed when bone volume needs to be increased before a dental implant. Screws and miniplates are the clinical standards for osteosynthesis. However, some disadvantages for this method have been reported, including artifacts on radiological images, infection, screw loosening, and the need to remove screws that interfere with the dental implants. Bone adhesives are a promising alternative for bone graft surgery.The aim of this study was to compare the shear bond strength of two cyanoacrylate-based adhesives and titanium screws for bone graft fixation.Pig jaw samples were cut into rectangular bars (2 x 6 x 20 mm) and bonded with a 5-mm overlap of N-butyl cyanoacrylate and ethyl cyanoacrylate, and 1.5-mm titanium screws were inserted into the center of the contact area. The blocks were fixed on a shear bond strength device that was coupled to a universal testing machine. The maximum force (N) was recorded on a computer and divided by the bonded area (in mm(2)) in order to calculate the bond strength (MPa). The data were statistically analyzed with ANOVA and Tukey's test (alpha = 0.05).The shear bond strengths of the screws were significantly higher than both cyanoacrylate adhesives, which presented statistically similar bond strength means, and have the biomechanical potential to be used for bone fixation.Ethyl cyanoacrylate is an inexpensive adhesive that has multiple purposes and can be considered as an alternative for bone fixation.