نتایج جستجو برای: graft materials
تعداد نتایج: 516814 فیلتر نتایج به سال:
An injury to the ACL can result in significant functional impairment. It has been estimated that more than 100,000 new ACL injuries occur each year. Surgeons employ numerous techniques for reconstruction of the ACL. Of critical importance is the source of the graft to replace the damaged ACL. The graft choices include autografts (the patient's own tissue), allografts (donor tendon), and synthet...
OBJECTIVES This study sought to elucidate the effect of autogenous tooth bone material by experimenting on minipig's maxillary sinus and performing histological and histomorphometric analyses. MATERIALS AND METHODS Five 18-24 month-old male minipigs were selected, and right maxillary sinuses were grafted with bone graft material made of their respective autogenous teeth extracted eight weeks ...
Numerous urologic tissue substitutes have been attempted with both synthetic and organic materials (1). The first application of a free-tissue graft for bladder replacement was reported by Neuhoff in 1917, when fascia was used to augment bladders in dogs (2). Since that first report, multiple other free-graft materials have been used experimentally and clinically, including skin, bladder submuc...
OBJECTIVES Suture materials are widely used in urology. The interaction of these materials with the extracellular matrix in the inflammatory process can be estimated by stereology of collagen fibers and the present study was designed to determine the behavior of the bladder tissue of rats to grafts of the biopolymer of sugar cane (BPCA), and the inflammation and intravesical stone formation com...
background and aims. complete and predictable regeneration of tissue lost as a result of infection or trauma is the ultimate goal of periodontal therapy. various graft materials have been successfully used in the treatment of intrabony defects. the purpose of this study was to evaluate the use of a decalcified freeze-dried bone allograft (cerabone) with the autogenous bone graft as a gold stand...
Pressing need for utilization of injectables/fillers in various forms of orthopaedic treatments/surgeries commands an equal demand for better graft material. Injectable bone graft material based on biomimetically synthesized nanohydroxyapatite was developed and subjected to ball milling for different times; three materials thus produced were evaluated for their biological properties. The three ...
Complex augmentation rhinoplasty to correct both functional and cosmetic deformities remains a challenge for the rhinoplasty surgeon. The skeletal structure maybe severely deformed from previous trauma or underlying disease processes. These resulting deformities may occur together with significant soft tissue disfigurement. Correction of all these aspects requires careful selection of graft mat...
The healing of critical sized segmental defects is an ongoing clinical problem. No method has achieved pre-eminence. The Masquelet technique is a relatively new innovation involving the induction of a fibrous tissue membrane around the bone defect site taking advantage of the body's foreign body reaction to the presence of a polymethylmethacrylate (PMMA) spacer. The aim of this study was to inv...
PURPOSE The aim of this study was an experimental evaluation of the effectiveness of demineralized bone matrix (DBM) and collagenated heterologous bone graft (CHBG) used alone or in combination with platelet-rich fibrin on bone healing in sinus floor augmentation procedures. MATERIALS AND METHODS In this study, 36 New Zealand rabbits were used. The bilateral sinus elevation was performed, and...
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