Oral microbiology.
D003728:Dental Calculus / Q000382:microbiology; D003731:Dental Caries / Q000382:microbiology; D003773:Dental Plaque / Q000382:microbiology; D003782:Dental Pulp / Q000382:microbiology; D005881:Gingiva / Q000382:microbiology; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008829:Microbiology / Q000266:history; D009055:Mouth / Q000382:microbiology*; D009059:Mouth Diseases / Q000382:microbiology*; D009909:Oral Health; D014070:Tooth / Q000382:microbiology