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 StoriesIndustry UpdatesDentist pleads not guilty in 4-week-old patient's deathA dentist pleaded not guilty to professional misconduct charges related to the death of a healthy four-week-old boy who died during a common procedure.BrainGum disease may be linked to impaired brain functionSmile DesignClinical tip: What you need to know about platelet-rich fibrinInvisible AlignersAI applications on the rise in clear aligner therapySponsor ContentFree Webinar January 22 @ 8 p.m. ET