Trusted Resource. Informed Professionals. Healthier Patients.Choose from more than 150 free continuing dental education courses - a CE library provided exclusively by Procter & Gamble's Crest Oral-B.  The Procter & Gamble Company is an ADA CERP Recognized Provider and is designated as an Approved PACE Program Provider by the Academy of General Dentistry for Fellowship, Mastership, and Membership Maintenance Credit.