Typically local anesthetics work effectively and allow the dentist to provide "pain free" care. However, teeth that are infected are often difficult to get a profound local anesthetic effect frustrating the dentist and of course the patient. This CE webinar will review the issues associated with the causes of local anesthetic failures with a focus on infected or "hot" teeth so that extractions or endodontic treatment can be comfortably performed.   ( disclaimer, bio and commercial disclosure )