Alvin H. Arzt, DDS[email protected]EndodonticsBPA: It's time to ask the right questionsDental practitioners have a professional obligation to inform patients if they are using root canal sealers or sealants that contain bisphenol A (BPA), argues Dr. Alvin Arzt in this Second Opinion column.November 11, 2010Page 1 of 1Top StoriesLegal IssuesClass-action lawsuit filed against DSO Heartland DentalA patient has filed a class-action lawsuit against dental service organization (DSO) Heartland Dental.Public HealthThese behavioral and social factors may affect oral healthSmile DesignClinical tip: Correctly prepping anterior teethCAD/CAMEndodontist solves riddle in famous da Vinci drawingSponsor ContentJoin Us July 24 at 8 p.m. ET