A photograph, kept in a family album, of a boy, a girl and a baby with clean teeth and holding toothbrushes, representing dental hygiene taught by their mother. Colour lithograph after P. Tilley, 1965.

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A photograph, kept in a family album, of a boy, a girl and a baby with clean teeth and holding toothbrushes, representing dental hygiene taught by their mother. Colour lithograph after P. Tilley, 1965. Wellcome Collection. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.