The Effect of Superstructures Connected to Implants with Different Surface Properties on the Surrounding Bone.
The Effect of Superstructures Connected to Implants with Different Surface Properties on the Surrounding Bone.
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DOI：
10.3390/jfb6030623
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发表时间：
2015-07-24
影响因子：
4.8
通讯作者：
Tsuga K
中科院分区：
文献类型：
--
作者：
Koretake K;Oue H;Okada S;Takeda Y;Doi K;Akagawa Y;Tsuga K
本研究的目的是调查上部结构与具有不同表面特性的种植体的连接如何影响周围的骨骼。拔除5只狗的左右下颌前磨牙和磨牙。 12 周后，将机加工种植体放置在近中，将阳极氧化种植体放置在无牙颌一侧的远端，在另一侧则将位置颠倒过来。植入十二周后，将夹板上部结构安装到植入物上。植入后 24 周，测量植入稳定性商 (ISQ)，并获取射线照片。测量移除扭矩值并进行组织学观察。植入后 24 周时的 ISQ 值在各组之间没有显着差异。远端阳极氧化种植体和远端机加工种植体之间的移除扭矩值存在显着差异 (p < 0.05)。从 12 周到 24 周，各组之间的边缘骨丢失没有显着差异。组织样本的荧光观察揭示了所有植入物周围的骨重塑活动。这项研究的结果表明，当连接具有不同表面特性的种植体时，最远端部位的机加工种植体可能是种植体与骨结合的潜在风险因素。
The objective of this study was to investigate how the connection of superstructures to implants with different surface properties affects the surrounding bone. The right and left mandibular premolars and molars of 5 dogs were extracted. After 12 weeks, a machined implant was placed mesially and an anodized implant was placed distally on one side of the edentulous jaw, with the positions reversed on the opposite side. Twelve weeks after implantation, splinted superstructures were set to the implants. At 24 weeks after implantation, the implant stability quotient (ISQ) was measured, radiographs were obtained. Removal torque values were measured and histologic observation was performed. The ISQ values at 24 weeks after implantation were not significantly different between the groups. The removal torque values were significantly different between the distal anodized and distal machined implants (p < 0.05). From 12 to 24 weeks, marginal bone losses were not significantly different between the groups. Fluorescent observation of tissue samples revealed bone-remodeling activity around all of the implants. The results of this study suggest that when implants with different surface properties are connected, machined implants at the most distal sites might be a potential risk factor for implant-bone binding.