Periodontal disease
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Demonstrates the destructive effects of periodontal disease (pyorrhea). Shows the progression of the disease, and how to prevent it. Close-up photography and animated drawings make the message clear. Presented to the Lane ESD by the Lane County Dental Health program., Explains periodontal disease, what it is, its causes and progression. Presents the relationship of bacteria to periodontal disease and the importance of removal of the bacteria for prevention and control.
Copyright
Registered 26Oct70 · MU8258 (Jul-Dec 1970) Copyright holder: Teaching Films, Inc., division of A-V Corp
Complete catalog record
Demonstrates the destructive effects of periodontal disease (pyorrhea). Shows the progression of the disease, and how to prevent it. Close-up photography and animated drawings make the message clear. Presented to the Lane ESD by the Lane County Dental Health program., Explains periodontal disease, what it is, its causes and progression. Presents the relationship of bacteria to periodontal disease and the importance of removal of the bacteria for prevention and control. NOTE: Two (or more) records have been merged together to create this data.
Sources
- 16mm Filmography (legacy record) — title, year, creator, length, format, sound, description, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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