Soils and teeth
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Soils and teeth
Once the soil survey of the North Island was completed, in 1942, it was possible to relate soil type to other factors. This newsreel clip shows how tooth decay appeared to be related to local variations in soil type.
About this item
Archives New Zealand - Te Rua Mahara o te Kawanatanga
Reference: Pictorial Parade 53, National Film Unit, 1956
Permission of Archives New Zealand Te Rua Mahara o te Kawanatanga must be obtained before any re-use of this material.
