نتایج جستجو برای: graft materials

تعداد نتایج: 516814  

Journal: :The Journal of bone and joint surgery. British volume 2001
J F Keating M M McQueen

Although bone grafting has a well-recognised role in orthopaedic surgery for the treatment of nonunion, bridging diaphyseal defects and filling metaphyseal defects, it is associated with postoperative pain and morbidity. When extensive grafting is required, as in spinal arthrodesis and the management of large bony defects, inadequate amounts of autologous bone may not be available. Allograft bo...

Journal: :iranian journal of otorhinolaryngology 0
mahmood shishegar department of otorhinolaryngology, khalili hospital, shiraz university of medical sciences, shiraz, iran abolhasan faramarzi department of otorhinolaryngology, khalili hospital, shiraz university of medical sciences, shiraz, iran ayeh taraghi department of otorhinolaryngology, khalili hospital, shiraz university of medical sciences, shiraz, iran

introduction: the use of cartilage as a grafting material has been advocated in cases where there is a high risk of graft failure, such as subtotal perforations, adhesive processes, and residual defects after primary tympanoplasties. the purpose of this study was to compare the graft acceptance rates and auditory outcomes of cartilage tympanoplasty operations using a palisade technique with tho...

Journal: :Implant dentistry 2007
Dennis Smiler Muna Soltan Joseph W Lee

PURPOSE To evaluate the influence of bone marrow aspirate added to xenograft or alloplast graft matrix scaffold to produce bone. MATERIALS A maximum of 4 cc bone marrow was aspirated from the anterior iliac crest of 5 patients to saturate the matrix scaffold prior to bone graft. Seven graft sites evaluated included sinus lift augmentation, particulate onlay graft of the maxilla via a tunnelin...

Journal: :Korean journal of neurotrauma 2015
Jin-Hack Park Sang-Jun Suh Yoon-Soo Lee Jeong-Ho Lee Kee-Young Ryu Dong-Gee Kang

Multiple methods and materials are available for bone defect reconstruction. Bone graft substitute is one of the materials used for reconstruction of bone defect and have been widely used recently. This report describes some cases about complications related to GeneX® which is introduced as mixture of calcium sulfate and β-tricalcium phosphate at manufacturer's official web site. It informed of...

Journal: :Orthopedics 2008
Walid Waked Jonathan Grauer

Autologous bone grafting remains the gold standard for bone grafting in clinical practice. Although it has withstood the test of time, it remains associated with multiple comorbidities. The search for an alternative bone graft substitute harnessing bone's osteoconductive, osteoinductive, and osteogenic properties remains a challenge. This article examines the various bone grafting materials cur...

Journal: :The Egyptian Journal of Otolaryngology 2021

Abstract Background Various grafting materials and different techniques have been used for myringoplasty. The aim of the study was to compare result tympanoplasty in patients with safe-type chronic suppurative otitis media using periosteum versus tragal cartilage perichondrium grafts through pre- postoperative clinical audiological evaluation. Results There statistically significant difference ...

Keyvan Amini Nowruz Delirezh Rahim Hobbenaghi Rahim Mohammadi Saeed Azizi,

Objective- Comprehensive functional, histomorphometrical and immunohistochemical assessment of sciatic nerve regeneration through an inside-out vein graft in rat. Design- Experimental in vivo study. Animals- Fifty- four healthy male White Albino rats. Procedures- The rats were divided into three experimental groups (n=18), randomly: Sham-operation (NC), Transected control (TC) and Inside-out ve...

سالاری لک , شاکر, تقی زاده افشاری, علی , خلخالی , حمیدرضا , قلیچی قوجق, موسی , محمدی فلاح, محمد‌رضا , مخدومی, خدیجه ,

    Background & Aims : The aim of the present study was to compare graft survival and patient survival between diabetic and non-diabetic patients in the Imam Khomeini Hospital Transplant Center, during the years 2001 to 2011.   Materials & Methods : This study was a retrospective cohort study. We used Kaplan-Meier test to calculate the patient and graft survival and t-test to compare continuou...

Journal: :European review for medical and pharmacological sciences 2006
A Araco G Gravante F Araco F Castrì D Delogu V Cervelli

Corresponding Author: Gianpiero Gravante, MD; e-mail: [email protected] Dear Editor, materials and techniques used for nasal reconstructions have always been a matter of discussion and still no clear guidelines are present. In the beginning, autologous cartilage grafts were extensively used for its low resorption and complication rates1-2. Recently, authors have preferred synthetic material...

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