نتایج جستجو برای: peri implant osteolysis
تعداد نتایج: 63139 فیلتر نتایج به سال:
Evaluation of periodontal and peri-implant tissue condition is mainly based on clinical examination and imaging diagnostics. Some data imply that Metalloproteinase-8 (MMP-8) level examination in peri-implant sulcular fluid (PISF) might be useful for evaluating the condition of peri-implant tissues and monitoring a development of peri-implant inflammation, including both mucositis and peri-impla...
OBJECTIVES To review the literature on how implant surface characteristics influence peri-implant disease. MATERIAL AND METHODS A search of PubMed and The Cochrane Library of the Cochrane Collaboration (CENTRAL) as well as a hand search of articles were conducted. Publications and articles accepted for publication up to March 2010 were included. RESULTS Thirteen studies were selected for th...
interleukin-1β (il-1β) is one of the most important cytokines which seems to have an important role in the inflammatory process in gingival and peri-implant tissues. the aim of this split-mouth study was to investigate the relationship between the concentration of il-1β in gingival crevicular fluid (gcf) and peri-implant crevicular fluid (picf) and clinical parameters such as plaque index (pi),...
The fixation of an orthopedic implant depends strongly upon its initial stability. Peri-implant bone may resorb shortly after the surgery. This resorption is directly followed by new bone formation and implants fixation strengthening, the so-called secondary fixation. If the initial stability is not reached, the resorption continues and the implant fixation weakens, which leads to implant loose...
PURPOSE Prevention of peri-implantitis is essential for the success of implant rehabilitation. Infection by periodontopathic bacteria is a major cause of peri-implantitis. The aim of the present study was to identify the source of peri-implant colonization by periodontopathic bacteria. MATERIALS AND METHODS Twenty-one patients with implants were enrolled in the study. Subgingival plaque sampl...
BACKGROUND The existing information on oral rehabilitations with dental implants in VIH-positive patients is scarce and of poor quality. Moreover, no long-term follow-up studies are available. Hence, the aims of this study were to describe the long-term survival and success rates of dental implants in a group of HIV-positive patients and to identify the most common postoperative complications, ...
PURPOSE With the significance of stable adhesion of alveolar bone and peri-implant soft tissue on the surface of titanium for successful dental implantation procedure, the purpose of this study was to apply microgrooves on the titanium surface and investigate their effects on peri-implant cells and tissues. METHODS Three types of commercially pure titanium discs were prepared; machined-surfac...
INTRODUCTION There are numerous studies supporting the high success rate of dental implants used for reconstruction of missing teeth. However, complications like mucositis and peri-implantitis are increasingly reported. Placement of dental implants in partially edentulous patients is associated with the risk of peri-implant diseases, especially when an old or a new inflammatory lesion is presen...
OBJECTIVES To review the current understanding of the biomarkers and enzymes associated with different forms peri-implant diseases and how their level changes influence the pathogenesis of the inflammatory diseases around dental implants. MATERIAL AND METHODS An electronic search in two different databases was performed including MEDLINE (PubMed) and EMBASE between 1996 to 2016. Human studies...
OBJECTIVES Increased levels of oxidative stress markers in periodontitis have been reported by recent studies. Malondialdehyde (MDA) and superoxide dismutase (SOD) are both increased during oxidative stress. The aim of this study was to detect and measure the level of oxidative stress markers in peri-implant crevicular fluid (PICF). Their correlation with peri-implant clinical parameters was in...
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