Here are the 4 maxillary molars that I treated in my practice today. 3 are second molars and 1 first molar. All teeth had 4 canals. 3 of the teeth had mb1 join mb2. One had 2 separate canals.

All the cases were done in 1 visit. All teeth had self cure resin cores placed in the same visit

Tooth 20 was referred for endodontic retreatment. Patient has increased discomfort chewing and also spontaneous pain. Dx: Acute apical periodontitis with atleast 2 root canals untreated.

End of visit 1, all canals were cleaned and shaped to length. 2 buccal canals (MB,ML