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Abstract The crescent-shaped graft is a modified cartilage perichondrium composite graft it is modification of the ring araft comprising aperipheral The aim of the work is to compare between the anatomical an audiological outcomes of primary type one tympanoplasty performed with a modified cartilage-perichondrium composite ring graft to those performed with a modified cartilage-perichondrium composite crescent shaped graft as a novel technique. |