نتایج جستجو برای: implant failures

تعداد نتایج: 85193  

ژورنال: مجله دندانپزشکی 2012
امتی شبستری, قاسم, شعبانپور, رضا, علی‌خاصی, مرضیه, منزوی, عباس,

Background and Aims: One of the decisive factors on the final esthetic results of implant treatment is the abutment material. Ceramic abutments are nowadays very popular in this regard. The purpose of this study was to compare the fracture resistance of three zirconia abutments with titanium abutment. Materials and Methods: Four groups of abutments (five specimens in each) were prepared. The a...

K. V. S. Rajeswara Rao Y. Sandeep Kumar, Y. Sunil R.

The average life span of knee prosthesis used in Total Knee Replacement (TKR) is approximately 10 to 15 years. Literature indicates that the reasons for implant failures include wear, infection, instability, and stiffness. However, the majority of failures are due to wear and tear of the prosthesis. The most common biopolymer used in TKR  is Ultra High Molecular Weight Polyethylene (UHMWPE). Pr...

Journal: :Journal of Neurology and Stroke 2023

Background: The goal of spine arthrodesis is vertebral fusion and stabilization, however there are multiple factors which don’t allow it; among the most known implant failure pseudarthrosis. question is, should a revision surgery must be performed in all failures? Case description: We present 2 cases screw fatigue or were treated differently based on symptoms patients, even when they had clear ...

Journal: :The journal of contemporary dental practice 2010
Rajvir Malik Rachna Garg D K Suresh Shalu Chandna

AIM The purpose of this article is to illustrate the relationship of bone quality and the prognosis of dental implant. BACKGROUND Reported success rates for dental implants are high. Thus, an implant-supported restoration offers a predictable treatment for tooth replacement. Nevertheless, failures that mandate immediate implant removal do occur. CASE DESCRIPTION A case involving a 40-year-o...

Journal: :Clinical implant dentistry and related research 2012
Luca Pagliani Alessandro Motroni Antonio Nappo Lars Sennerby

BACKGROUND Computerized tomographs (CTs) are commonly used for presurgical planning of dental implant placement. It is possible that implant stability can be predicted based on quantitative measurements of bone density at planned implants sites with the use of diagnostic software. PURPOSE The aim was to evaluate if there is a correlation between bone density measurements in specific implant p...

Journal: :Science translational medicine 2013
Nisarg J Shah Md Nasim Hyder Joshua S Moskowitz Mohiuddin A Quadir Stephen W Morton Howard J Seeherman Robert F Padera Myron Spector Paula T Hammond

The functional success of a biomedical implant critically depends on its stable bonding with the host tissue. Aseptic implant loosening accounts for more than half of all joint replacement failures. Various materials, including metals and plastic, confer mechanical integrity to the device, but often these materials are not suitable for direct integration with the host tissue, which leads to imp...

Journal: :The International journal of oral & maxillofacial implants 2001
M Kronström B Svenson M Hellman G R Persson

Implant failure has been associated with factors such as poor bone quality, insufficient bone volume, implant instability, unfavorable implant loading, and smoking habits. Infections and host responses may also be important factors in dental implant failure. The objectives of the present study were to identify various explanatory factors associated with titanium implant failure. Forty subjects ...

2014
Alexander Scola Florian Gebhard Christoph Dehner Götz Röderer

OBJECTIVES Modern implants for proximal femur fracture treatment have clearly improved clinical results. However, complications, including cut-out and loss of reduction, requiring revision surgery still occur. A major challenge in these cases is a loss of bone stock due to the existing implant, which is usually exacerbated by osteoporosis. A potential solution is the augmentation of implants, f...

2012
Nicolò Cavalli Bruno Barbaro Davide Spasari Francesco Azzola Alberto Ciatti Luca Francetti

Purpose. The aims of this study were to assess the treatment outcome of immediately loaded full-arch fixed bridges anchored to both tilted and axially placed implants in the edentulous maxilla and to evaluate the incidence of biological and prosthetic complications. Materials and Methods. Thirty-four patients (18 women and 16 men) were included in the study. Each patient received a maxillary fu...

2014
Nicolò Cavalli Bruno Barbaro Davide Spasari Francesco Azzola Alberto Ciatti Luca Francetti Silvio Taschieri

Purpose. The aims of this study were to assess the treatment outcome of immediately loaded full-arch fixed bridges anchored to both tilted and axially placed implants in the edentulous maxilla and to evaluate the incidence of biological and prosthetic complications. Materials and Methods. Thirty-four patients (18 women and 16 men) were included in the study. Each patient received a maxillary fu...

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