[Formal and causal genesis of periodontal diseases].
D006801:Humans; D009909:Oral Health; D010510:Periodontal Diseases / Q000209:etiology*; D010518:Periodontitis / Q000175:diagnosis; D010519:Periodontium / Q000098:blood supply
Zurformalen und kausalen Genese der Parodontopathien.