Syncone, long roots, Mandibular flex, transverse root, Slit case

Failure of the month
Upper case syncone
Mandibular flex
One piece implant
2 X CT grafting
Syncone in Maxillae
Broken instruments
Endo restorative case
Necrotic 2 step endo
Long roots
Questionable restoration
Retreat, apico follow up
Fracture and CBCT
Trauma case
Transverse root
Suggestive of Vertical root fracture
Slit case
Mandibular molar
Hopeless case
Distal root