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牙种植体骨折的扫描电子显微镜分析与处理

SEM Analysis and Management of Fracture Dental Implant.

作者信息

Singh Archana, Singh Ankita, Vivek Rajul, Chaturvedi T P, Chauhan Pankaj, Gupta Shruti

机构信息

Department of Prosthodontics, Faculty of Dental Sciences, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, India.

出版信息

Case Rep Dent. 2013;2013:270385. doi: 10.1155/2013/270385. Epub 2013 Apr 23.

DOI:10.1155/2013/270385
PMID:23710372
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3655462/
Abstract

Implant fracture is one of the important biomechanical complications which can present with a considerable problem to the patient as well as the dental surgeon. The aim of this case report is to describe the management of a case of fractured endosseous dental implant in premolar region and microscopic evaluation of the fractured implant segment using scanning electron microscopy. In most of such cases, complete removal of the fractured implant has been a preferred treatment option. In the present case, fractured implant segment was successfully removed and rehabilitated immediately with larger diameter implant. It was found that retrieved fracture segment had a diameter of 3.3 mm, and SEM analysis shows fatigue fractures which may be the result of excessive overloading and use of small diameter implant which enhances fatigue failure.

摘要

种植体折断是重要的生物力学并发症之一，会给患者和口腔外科医生带来相当大的问题。本病例报告的目的是描述一例前磨牙区骨内种植体折断病例的处理方法，以及使用扫描电子显微镜对折断种植体片段进行微观评估。在大多数此类病例中，完全取出折断的种植体一直是首选的治疗方案。在本病例中，成功取出了折断的种植体片段，并立即用更大直径的种植体进行了修复。发现取出的骨折片段直径为3.3毫米，扫描电镜分析显示为疲劳骨折，这可能是由于过度超载以及使用小直径种植体导致疲劳失效增加所致。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/2348aad49ab0/CRIM.DENTISTRY2013-270385.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/9499ddf20ceb/CRIM.DENTISTRY2013-270385.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/8c143236907a/CRIM.DENTISTRY2013-270385.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/a07feae50c95/CRIM.DENTISTRY2013-270385.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/7e5342d78969/CRIM.DENTISTRY2013-270385.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/be1994124750/CRIM.DENTISTRY2013-270385.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/dbdd9ba85842/CRIM.DENTISTRY2013-270385.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/2348aad49ab0/CRIM.DENTISTRY2013-270385.007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/9499ddf20ceb/CRIM.DENTISTRY2013-270385.001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/8c143236907a/CRIM.DENTISTRY2013-270385.002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/a07feae50c95/CRIM.DENTISTRY2013-270385.003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/7e5342d78969/CRIM.DENTISTRY2013-270385.004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/be1994124750/CRIM.DENTISTRY2013-270385.005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/dbdd9ba85842/CRIM.DENTISTRY2013-270385.006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4478/3655462/2348aad49ab0/CRIM.DENTISTRY2013-270385.007.jpg

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