Fresh 2 yr follow up. There were problems with patency in distal canal. I tried to locate canal with US, but i couldn't find "catch feeling" with #08 k-file. Also there were furcation lesions but without communication with pocket. Probing was normal. I put fiber post in distal and reconstruct crown with composite. After 2 yrs bone looks great even in furcation, the time for overlay has come.