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Endodontic Retreatment for sympotomatic upper 5 , 6 .
clinical examination revealed pain on percusion on both teeth and a tender mas in the vestibule next to the premolar .
radiographic examination showed periapical radiolucency .
old obturation was removed using gates , manual files and 25/06 from Videya Dental .
canals was packed for 14 days with caoh intracanal medication .
