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Oral-B iO Ultimate Clean Electric Toothbrush Head, Twisted & Angled Bristles for Deeper Plaque Removal, Pack of 8, Suitable for Mailbox, White | Amazon price tracker / tracking, Amazon price history charts,
Howard Farran DDS, MBA - The History of Toothbrushes. Tooth brushing tools date back to 3500-3000 BC when the Babylonians and the Egyptians made a brush by fraying the end of a
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