upper second molar with 4 roots & 4 canals
a patient came to our clinic for an endodontic treatment for an upper second molar with distal caries .
the tooth was inspected clinically and radiographically .
the pre operative radiograph showed a shadow for a strange anatomy in the distal side.
canal preparation to 25/06 , 30/06 for the palatal TC Blue file from Videya Dental .

