– A referred case to our clinic with a swelling and large periapical lesion that caused periapical bone loss + mesial root resorption that led to pathological perforation in the mesiolingual canal .
– The tooth was covered with PFM crown that was carefully evaluated and access cavity was gained throw the PFM crown .
– guttapercha removal was done using Videya D files D1 , D2 ( Retreatment kit ) at 600 rpm – 1 N/CM .
-working length correction and a slight canal enlargement using T files ( Videya ) , the root canal disinfection was carried out on multiple visits .
– eventually after 3 weeks we managed to get a dry canal and MTA was used to close the perforation site , then next visit obturation was carried out the full working length .