نتایج جستجو برای: bone tissue
تعداد نتایج: 1125345 فیلتر نتایج به سال:
background and aims. connective tissue grafts with and without periosteum is used in regenerative treatments of bone and has demonstrated successful outcomes in previous investigations. the aim of present study was to evaluate the effectiveness of connective tissue graft with and without periosteum in regeneration of intrabony defects. materials and methods. in this single-blind randomized spli...
An increase in the average age of the population and physical activities where the musculoskeletal system is involved as well as large number of people suffering from skeletal injuries which impose high costs on the society. Bone grafting is currently a standard clinical approach to treat or replace lost tissues. Autografts are the most common grafts, but they can lead to complications such as ...
there has been a lot of development in the science of implantology since forty years ago when extensive research began on this field of science. the use of dental implantology has also increased in the last decade, which the main reason is the success of it. recently some of our colleagues participate in short time introductory and advanced courses of implant inside or outside the country and b...
Background Cleft palate (CP) is a common congenital defect. It makes serious difficulties for cleft-affected children. The gold standard of care is autogenous bone grafting which may cause additional problems in donor site along with disappointing results. Tissue engineering is a promising solution for a widespread range of defects and disorders. It is reasonable to utilize this novel technolo...
Objective(s): Scaffolds are considered as biological substitutes in bone defects which improve and accelerate the healing process of surrounding tissue. In recent years a major challenge in biomaterials is to produce porous materials with properties similar to bone tissue. In this study, the natural bioactive hydroxyapatite scaffolds with nano Diopside /Forstrite coating was successfully synthe...
Engineered Vascularized Flaps In article number 2008687, Shulamit Levenberg and co-workers fabricate composite neo-tissue flaps by combining polymeric matrices decellularized bone. These are perfused in vivo using hosts via a potent neo-vascular network. imaging is utilized to show how support long-term bone repair vascularization. This methodology may one day replace autologous tissue harvest ...
This study was perfomed on twenty five teeth which showed radiographic lesions( 6mm over 25 mm). the teeth were arranged in seven different groups and root canal therapy ( by warm Gutta-percha technique) as surgical intervention were performed at various time intervals. In this investigation, histologic studies of the periapical tissues begin shortly after elimination of the root canal system w...
Background & Aim: The use of bone scaffolds is one of the new and efficient techniques for repairing bone defects that provide a suitable platform for cell proliferation and growth to repair the target tissue. One of the most important causes of failure of transplants and surgical procedures is the invasion of bacteria at the site of the complication and the development of severe infection. The...
The primary carcinoma may secondarily invade bone tissue through direct extensions, blood circulation or lymphatic transportation particulary when it is arising from breast, prostate, kidney, thyroid and lung. Metastatics tumors of bone are more common than primary tumor of bone. The most common tumor, which metastasizes into bone, is the breast adenocarcinoma. Some metastatic tumors of bone in...
Objectives- To assess the ectopic bone formation in canine masseter muscle following the implantation of the natural bovine bone minerals (NBM) loaded with canine mesenchymal stem cells (MSCs).Design- Experimental study.Animals- four mongrel dogs.Procedures- Tripotent MSCs isolated from the canine bone marrow were loaded onto the NBM sponges and allowed to adhere. The cell-loaded scaffolds were...
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