Retreatment 36 with fractured instrument on the mesial root

 Before and after

Before and after

 Initial CT-36 mesial root

Initial CT-36 mesial root

 Initial appearance

Initial appearance

 The appearance of the old material for the canal filling at the level of the pulp-soft consistency chamber

The appearance of the old material for the canal filling at the level of the pulp-soft consistency chamber

 Instrumented and irrigated channels - at ultrasound activation the fractured instrument came out on its own

Instrumented and irrigated channels - at ultrasound activation the fractured instrument came out on its own

 RX Intermediate

RX Intermediate

 Obstructed channels

Obstructed channels

 RX final

RX final