نتایج جستجو برای: autografts
تعداد نتایج: 1197 فیلتر نتایج به سال:
Twenty-eight rabbits underwent conjunctival replacement with peritoneal autografts. The grafted peritoneum acted as a scaffold for the remaining healthy conjunctiva which gradually replaced the grafted peritoneum. Peritoneum is not an effective conjunctival substitute as it does not survive in its own right. I should like to thank Professor Norman Ashton, FRS for his most helpful guidance and c...
BACKGROUND Coverage of roots exposed by gingival recession is one of the main objectives of periodontal reconstructive surgery. A large variety of mucogingival grafting procedures are available. However, the long-term effectiveness of this procedure is still not clear. This study compared the effectiveness of sub-pedicle acellular dermal matrix allografts with subepithelial connective tissue au...
At present, clinical strategies to repair injured peripheral nerve concentrate on efforts to attain primary suture of the cut nerve ends. If this is not possible, autografts are used to unite the separated nerve segments. Both strategies are based on the recognition that the Schwann cells resident in the peripheral nerve trunk play a crucial role in the regenerative process. Neither strategy ma...
BACKGROUND The pulmonary autograft operation (the Ross procedure) involves excision of a portion of the right ventricular (RV) outflow tract, prolonged cross-clamp times, and insertion of a pulmonary homograft. There is concern about the effect of such operations on right ventricular function. METHODS AND RESULTS Twenty-five patients undergoing either pulmonary autograft or homograft replacem...
Background & Aim: When comparing bone autograft and allograft, conditions like performing two surgeries at the same time in an individual, size limitations of autografts, bleeding etc. forced specialists to think about the possible substitution of autografts with the allograft. In this study considering the importance of the kind of the chosen bone for graft, its embryologic origin, its his...
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