Dentifrice
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Dentifrices, including toothpowder and toothpaste, are agents used along with a toothbrush to aid in removal of dental plaque. They are supplied in paste, powder or gel. Many dentifrices have been pro
Botica Iturbide brand tooth powder (early 20th century, Mexico) from the permanent collection of the Museo del Objeto del Objeto
Red tooth powder from India
Diatomaceous earth
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Diatomaceous earth, also known as diatomite, celite, or kieselgur, is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder. It has a parti
Dentifrice
…do in Hispania (now Spain)." Apuleius quotes Catullus in saying that he would be using his own urine "to brush his teeth and his red gums." By 1924, diatomaceous earth was mined for tooth powder. In modern times, baking soda has been the most commonly used tooth powder. The use of powdered substances such as charcoal…
Diatomite rock sample from the Sisquoc Formation
Scanning electron micrograph of diatomaceous earth
c. 1900–1910 Diatomaceous earth pit at Neuohe
c. 1900–1910 a drying area: One firing pile is being prepared; another is under way.