Master Con Selection Is an Essential Step in Root Canal Treatment Success

Master con selection is an essential step in root canal treatment success. But nowadays, with the abundance of rotary instruments, most skits don't offer all the sizes we were used to have in manual files. Lots of clinicians end up under preparing the root canal because their last finishing file sometimes can be too small for the canal they are shaping. So what happens when you under prepare a canal? You leave space for bacteria to grow - and that could contribute to your treatment fair afterwards.