Difficult Retreatment

Pre-op #3

Post isolated

Post is ready to go

7mm post (from the pulpal floor apically)

Conservative access opening, 4 canals



pre-op, separated instrument

instrument visualized and being removed using the ultrasonic instruments

instrument was removed and canals obturated

instrument in the MB canal

file was removed and canals were retreated

separated file in the apical third

file was removed and canals were obturated


Pre-op #19

Carriers visualized

Carrier burn-down

Carrier removal

Carrier removed

Removed carriers

Access cavity after cleaning and shaping

Immediate post-op #19