نتایج جستجو برای: peri

تعداد نتایج: 16683  

Journal: :journal of dentistry, tehran university of medical sciences 0
abbas monzavi associate professor, laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran. sima shahabi associate professor, laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran. reza fekrazad associate professor, laser research center in medical sciences (lrcms), aja university of medical sciences-laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran. roohollah behruzi postgraduate student, department of endodontics, school of dentistry, tehran university of medical sciences, tehran, iran. nasim chiniforush phd candidate of laser dentistry, laser research center of dentistry (lrcd), school of dentistry, tehran university of medical sciences, tehran, iran.

peri-implantitis is one of the most common reasons for implant failure. decontamination of infected implant surfaces can be achieved effectively by laser irradiation; although the associated thermal rise may cause irreversible bone damage and lead to implant loss. temperature increments of over 10ºc during laser application may suffice for irreversible bone damage.the purpose of this study was ...

2011
Julia Karbach Joachim Wegener Bilal Al - Nawas Wilfried Wagner

Introduction: The aim of this study was a retrospective clinical evaluation of the long-term prevalence of peri-implant diseases associated with a modern rough-surface dental implant system. Materials and methods: A total of 237 implants were inserted in 47 patients between 1994 and 2005. Peri-implant parameters (sulcus bleeding, pocket depth and bone loss) were evaluated at a mean of 9.1 years...

Journal: :Journal of clinical periodontology 2014
Henny J A Meijer Gerry M Raghoebar Yvonne C M de Waal Arjan Vissink

OBJECTIVES The aim of this sub-analysis of two prospective studies was to assess the incidence of peri-implant mucositis and peri-implantitis in fully edentulous patients with an implant-retained mandibular overdenture during a 10-year follow-up period. MATERIAL AND METHODS One hundred and fifty edentulous patients with two endosseous implants to support a mandibular overdenture were availabl...

Journal: :Iranian journal of allergy, asthma, and immunology 2013
Ehsan Darabi Zeinab Kadkhoda Aliakbar Amirzargar

Peri-implantitis is a multi-factorial disease involving peri-implant tissues and resulting in therapeutic failure. Inflammatory mediators and cytokines in the Gingival Crevicular Fluid (GCF) have pivotal roles in the disease pathogenesis and could be used for disease monitoring. Therefore, the present study was conducted to compare the GCF levels of TNF-α and IL-17 between patients with peri-im...

2016
Ausra Ramanauskaite Gintaras Juodzbalys

OBJECTIVES To review and summarize the literature concerning peri-implantitis diagnostic parameters and to propose guidelines for peri-implantitis diagnosis. MATERIAL AND METHODS An electronic literature search was conducted of the MEDLINE (Ovid) and EMBASE databases for articles published between 2011 and 2016. Sequential screening at the title/abstract and full-text levels was performed. Sy...

2015
Nicolò Cavalli Stefano Corbella Silvio Taschieri Luca Francetti

OBJECTIVES The aim of this retrospective study was to assess the incidence and prevalence of peri-implant mucositis and peri-implantitis in patients with a fixed full-arch prosthesis supported by two axial and two tilted implants. MATERIALS AND METHODS Sixty-nine patients were included in the study. Each patient received a fixed full-arch prosthesis supported by two mesial axial and two dista...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده منابع طبیعی 1391

آگاهی از میزان ریسک فرسایش خاک در حوزه های آبخیز امکان شناسایی نواحی بحرانی و اولویت بندی برنامه های مدیریتی و حفاظتی را فراهم می سازد. هدف از تحقیق حاضر تهیه نقشه ریسک فرسایش خاک بر اساس منطق فازی در حوزه آبخیز قرناوه گلستان است. تهیه نقشه ریسک فرسایش خاک در سه مرحله انجام گرفت: در مرحله اول، نقشه شاخص حفاظت خاک (spi) با استفاده از دو فاکتور اولیه کاربری اراضی-پوشش اراضی و شاخص اختلاف نرمال شد...

Journal: :Dental implantology update 2010
Arun Garg

Peri-implant disease includes the spectrum of conditions that affect the gingiva and underlying bone at the site of implant placement. Despite the tremendous growth in fixed implant utilization over the last two decades, few implant publications address the topic of peri-implant disease from an all-encompassing approach. This article summarizes current research on the topic and provides backgro...

Journal: :Journal of clinical periodontology 2003
Ann-Marie Roos-Jansåker Stefan Renvert Jan Egelberg

OBJECTIVES The purpose of the present paper is to review available information on the treatment of peri-implant mucositis and peri-implantitis. MATERIALS AND METHODS The results of animal research and human studies are presented. Proposed strategies for the treatment of peri-implantitis presented in the literature are also included. RESULTS Most of the information accessible at this time de...

2017
Claudia Canedoli Valerio Orioli Emilio Padoa-Schioppa Olivia Dondina

Urban and peri-urban forests determine different habitat services for biodiversity according to their characteristics. In this study, we relate ecological characteristics of urban and peri-urban forests to forest bird species richness and we assess whether their effect changed over time due to the urban sprawl within the urban region of Milan, Italy. We analyse two periods (1998–2002 and 2010–2...

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