What's in toothpaste? National Geographic's chemist George Zaidan tries to create his own homemade toothpaste. Ancient toothpaste used stuff like rocks and bones -- and modern toothpaste isn’t all that different.

Tagged: youtube, education

Macquarie Central Prosthodontics, Macquarie St Sydney, Central Coast, Wollongong, NSW, Australia02 9232 5438

Sydney
Suite 44, Macquarie Chambers
4th Floor, 183 Macquarie Street,
SYDNEY NSW 2000
Ph: 02 9232 5438
Fax: 02 9232 4408

Gosford
c/o Dental Specialist Centre
32 York Street,
EAST GOSFORD NSW 2250
Ph: 02 4323 6306
Fax: 02 4322 0992

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