First upper molar root canal August 14, 2015February 7, 2017casos, endodoncia, Liverpool, odontología Pablo Salmeron Root canal treatment, first upper molar. – First upper molar root canal treatment. – Labomed microscope. – MTwo + Reciproc files. Dr. Pablo Salmerón. casos, endodoncia, endodontics, liverpool, Microscope, microscopioComments comments