نتایج جستجو برای: autogenous grafts
تعداد نتایج: 22989 فیلتر نتایج به سال:
INTRODUCTION Bone regeneration grafts (BRG) are widely used in the treatment of osseous defects and oral surgery. The various techniques and associated success rates of bone augmentation require evaluation by systematic review and meta-analysis of eligible studies. The aim of this systematic review was to compare alveolar bone regeneration in humans using Bio-Oss and autogenous bone graft. MA...
The understanding of bone repair phenomena is a fundamental part of dentistry and maxillofacial surgery. Objective The present study aimed to evaluate the influence of buried magnetic field stimulation on bone repair in rat calvaria after reconstruction with autogenous bone grafts, synthetic powdered hydroxyapatite, or allogeneic cartilage grafts, with or without exposure to magnetic stimulatio...
The restoration of osseous defects is accomplished by bone grafts and substitutes, which are also called biomaterials. Autogenous grafts, derived from the same individual, can retain viability cells, mainly osteoblasts osteoprogenitor stem they do not lead to an immunologic response, known as gold standard for grafts. There both different techniques devices that be used obtain according needs p...
BACKGROUND Multitudes of options are available for reconstruction of functional and cosmetic defects of the mandible, caused by various ailments. At the present time, autogenous bone grafting is the gold standard by which all other techniques of reconstruction of the mandible can be judged. The purpose of this study was to evaluate the outcome of different osseous reconstruction options using a...
OBJECTIVE Posttraumatic ankylosis of the TMJ can be caused by many different pathogenic mechanisms. Prosthetic alloplastic grafts and autogenous grafts are the options for surgical treatment. METHODS Seven patients were examined clinically and radiologically. Autogenous interpositioners were used for treatment of TMJ ankylosis. RESULTS No major complications were seen after surgery. Interin...
over a seven year period from 1982 to 1989,3337 conduits were created in 3137 patients with end stage renal disease (esrd) as access for chronic dialysis. these included 2690 side-to-side arteriovenous fistulae (a vf), 168 end-to-side a vfs, 10 autogenous vein grafts, 51 homogenous frozen vein grafts, 109 polytetrafluoroethylene (ptfe) grafts, 209 emergency external arteriovenous shunts, three ...
BACKGROUND Mature autogenous arteriovenous fistulas have better long term patency and require fewer secondary interventions compared to arteriovenous prosthetic graft. Our Study evaluated vascular patency rates and incidence of interventions in autogenous arteriovenous fistulas and grafts. MATERIAL AND METHODS A total of 166 vascular access operations were performed in 153 patients between De...
Thirteen patients were treated for elevation of the maxillary sinus floor with autogenous or composite (autogenous bone + hydroxyapatite granules) bone grafts and endosseous implants. Bone biopsies were taken both at graft positioning and at implant placement. Histologic and histomorphometric results suggest that graft architecture, conformation, and composition may influence the mean bone cont...
AIM To analyse the morbidity arising from autogenous bone graft harvesting, graft resorption and implant survival in grafted sites. MATERIALS AND METHODS Only comparative clinical trials on the harvest of autogenous bone grafts were selected. Studies were excluded if they compared autogenous bone grafts to bone substitutes or vascularised free bone grafts. RESULTS A total of 24 studies were...
OBJECTIVE The aim of this study was to evaluate the efficacy of tibial autogenous bone grafting in the treatment of patients with alveolar bone defects. MATERIALS AND METHODS The study subjects consisted of 12 patients (10 male, 2 female, age: 19-51 years) who underwent reconstructive autogenous bone-grafting procedures. The medial approach to the tibial bone was used to harvest autogenous ca...
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