The Notorious MB2 Canal: How To Find And Treat It
Introduction One of the most infamous canals we chase in endodontics is the second mesio-buccal (MB2) canal of maxillary molars. It’s often referred to as the “fourth canal” and is one of the most frustrating aspects of maxillary molar root canals. We have known of the presence of the MB2 canal for over a century. … Read more