Dentistry and man on the moon.
D003793:Dental Restoration, Permanent; D003813:Dentistry; D004032:Diet; D004630:Emergencies; D006801:Humans; D007571:Jaw Diseases; D009055:Mouth / Q000382:microbiology; D009909:Oral Health; D010024:Osteoporosis; D012106:Research; D013026:Space Flight