Endodontic microsurgery or single tooth implants after failed root canal treatment

This systematic review was looking to compare endodontic microsurgery with single implant placement. No studies directly comparing the two treatments were available. 44 studies of single implants and 6 studies of endodontic microsurgery found 2 -4 years survival rates for endodontic microsurgery were 94% and single implants 96%. The quality of the available evidence was moderate.