by Harry Goldhagen
Angel Sightings is a periodic collection of stories and articles published on other sites that highlight medical heroes and their work.
Dental care can be expensive, especially when people do not have access to preventive services including regular cleaning and early attention to cavities. The homeless often lack toothbrushes and dental floss. Medical insurance for the poor often does not pay for dental care until problems drive people to the emergency room with abscesses and other life-threatening infections.