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组织学评估和纳米及微处理钛种植体在犬体内的去除扭矩分析。

Histologic evaluation and removal torque analysis of nano- and microtreated titanium implants in the dogs.

机构信息

Graduate student, Department of Prosthodontics, Graduate school, Chonnam National University, Gwangju, Korea.

出版信息

J Adv Prosthodont. 2009 Jul;1(2):75-84. doi: 10.4047/jap.2009.1.2.75. Epub 2009 Jul 31.

DOI:10.4047/jap.2009.1.2.75
PMID:21165259
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2994682/
Abstract

STATEMENT OF PROBLEM

A number of studies about the nano-treated surfaces of implants have been conducting along with micro-treated surfaces of implants.

PURPOSE

The purpose of this study was to get information for the clinical use of nano-treated surfaces compared with micro-treated surfaces by measuring removal torque and analyzing histological characteristics after the placement of various surface-treated implants on femurs of dogs.

MATERIAL AND METHODS

Machined surface implants were used as a control group. 4 nano-treated surface implants and 3 micro-treated surface implants [resorbable blast media surface (RBM), sandblast and acid-etched surface (SAE), anodized RBM surface] were used as experimental groups. Removal torque values of implants were measured respectively and the histological analyses were conducted on both 4weeks and 8weeks after implant surgery. The surfaces of removed implants after measuring removal torque values were observed by scanning electron microscopy (SEM) at 8 weeks.

RESULTS

  1. Removal torque values of the nano-treated groups were lower than those of micro-treated groups. 2. Removal torque values were similar in the anodized RBM surface groups. 3. On the histological views, there was much of bone formation at 8 weeks, but there was no difference between 4 and 8 weeks, and between the types of implant surfaces as well.

CONCLUSION

It is suggested that implant topography is more effective in removal torque test than surface chemistry. To get better clinical result, further studies should be fulfilled on the combined effect of surface topography and chemistry for the implant surface treatments.

摘要

问题陈述

许多关于植入物纳米处理表面的研究已经与植入物微处理表面一起进行。

目的

本研究的目的是通过测量种植体的去除扭矩并分析各种表面处理种植体放置在狗股骨后的组织学特征，为纳米处理表面与微处理表面的临床应用提供信息。

材料和方法

使用机械加工表面种植体作为对照组。4 个纳米处理表面种植体和 3 个微处理表面种植体[可吸收爆炸介质表面（RBM）、喷砂酸蚀表面（SAE）、阳极氧化 RBM 表面]作为实验组。分别测量种植体的去除扭矩值，并在种植术后 4 周和 8 周进行组织学分析。在测量去除扭矩值后，将去除的种植体的表面用扫描电子显微镜（SEM）在 8 周时进行观察。

结果

  1. 纳米处理组的去除扭矩值低于微处理组。2. 阳极氧化 RBM 表面组的去除扭矩值相似。3. 在组织学观察中，8 周时形成了大量的骨，但在 4 周和 8 周之间以及不同种植体表面类型之间没有差异。

结论

建议种植体形貌在去除扭矩测试中比表面化学更有效。为了获得更好的临床效果，应进一步研究种植体表面处理的形貌和化学的综合效应。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/c642bfde842b/jap-1-75-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/4e48e0f7e994/jap-1-75-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/9bb969cc10af/jap-1-75-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/05b39024a10a/jap-1-75-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/3a47d58e2968/jap-1-75-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/8b5630b833eb/jap-1-75-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/c2792b3c32c0/jap-1-75-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/dbf787191eb1/jap-1-75-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/c642bfde842b/jap-1-75-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/4e48e0f7e994/jap-1-75-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/9bb969cc10af/jap-1-75-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/05b39024a10a/jap-1-75-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/3a47d58e2968/jap-1-75-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/8b5630b833eb/jap-1-75-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/c2792b3c32c0/jap-1-75-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/dbf787191eb1/jap-1-75-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b51b/2994682/c642bfde842b/jap-1-75-g008.jpg

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