نتایج جستجو برای: bone graft
تعداد نتایج: 376394 فیلتر نتایج به سال:
UNLABELLED Autogenous bone graft is the ideal substrate for primary and revisional foot and ankle surgery. The distal medial tibia is an easily accessible site that provides both cancellous and corticocancellous autograft. Thirty cases of distal tibial bone graft with a minimum follow-up of 1 year are presented. There was an 86% union rate, and there were no stress fractures, persistent pain, o...
fe]lows. 1) By roentgenographie examination, the bone graft density was increasecl quickly in order of deproteinized, frezen, boiled, and fresh graft. 2) By gro$s appearance, the ossal fusion between the graft and the recipient was completed in all deproteinized and frozen grafts and in a few boiled and fresh graft. 3) The bone replacement in graft was not found up to 16 weeks after implantatio...
UNLABELLED HEALTH POLITICAL AND SCIENTIFIC BACKGROUND: Bone graft substitutes are increasingly being used as supplements to standard care or as alternative to bone grafts in the treatment of traumatic fractures. RESEARCH QUESTIONS The efficacy and cost-effectiveness of bone graft substitutes for the treatment of traumatic fractures as well as the ethical, social and legal implications of thei...
Osseous grafting represents one mode of therapy to manage periodontal osseous defects. Materials for osseous grafting can be obtained from the same person (autografts), from a different person of the same species (allografts), from a different species (xenografts), or from synthetic materials (alloplasts). The two types of grafts most frequently used in periodontal therapy are autogenous grafts...
The effects of large piece xenogeneic bone which was separated from healthy pigs as a scaffold on repair of mandibular defect was investigated and the applicability of antigen-extracted xenogeneic cancellous bone (AXCB) soaked with rhBMP-2 in bone defect repair was assessed. Mandibular defects were created in 48 New Zealand Rabbits, and then randomly divided into 4 groups, which was grafted in ...
Background: Saddle nose deformities mostly result from trauma. Most reports of saddle nose correction after trauma relate to isolated fractures, but in this article the experience of the authors is presented in relation to bone grafting for the correction of the saddle nose in multiple facial fracture patients. Objectives: The current study aimed to report the results of a protocol for choosing...
BACKGROUND The most important step in bone graft management is soft tissue coverage. Dehiscence of the wound leads to graft exposure and subsequent problems. PURPOSE This study introduces an axial pattern flap for bone graft coverage in anterior maxilla. PATIENTS AND METHODS Use of Anterior Palatal Island Advancement Flap is presented by the authors. It is a mucoperiosteal flap with axial p...
The management of large segmental bone defects caused by trauma or disease remains clinically challenging within orthopaedics. major impediment to healing with current treatment options is insufficient vascularization and incorporation graft material. Lack rapid adequate leads cellular necrosis the inner regions implanted material a failure regeneration. Current for critical size include contin...
Mandibular fractures have a high incidence among facial bone fractures that necessitated prompt treatment. The use of autogenous graft as a fixation device for mandibular fracture may have an important role in bone healing with accepted biological effect, and normal bone growth especially in pediatric patients. Moreover it avoids the side effect of both inter maxillary fixation (IMF) and bone p...
The standard graft material for impaction bone-grafting is fresh-frozen femoral head allograft morselized to a particle size as large as is practical to ensure stability and allow new bone formation. The graft must be sufficiently compacted to provide immediate mechanical stability; this requires containment of the graft and substantial impaction energy. Diaphyseal bone fracture and excessive i...
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