Teeth academic programs and degrees anesthesia dental insurance dentistry as a profession diseases and disorders of teeth father of modern dentistry fiber optics in dentists’ drills fluoridation main article importance of fluoride/water ratio initial discovery of fluoridation 1939: Biological Chemistry 1942: Biochemistry possible side effects forensic use of dental records gold, use of lack of dental health during the Depression mouth anatomy pictures related to dentistry preventive dentistry quotations research on dental health structure of a tooth (diagram) U.S. national health care expenditures by type