Post History
Toothbrush design and materials have come a long way. Early forms of the toothbrush have existed for nearly 5000 years. Ancient civilizations used a “chew stick,” a thin twig with a frayed end. The...
Answer
Toothbrush design and materials have come a long way. Early forms of the toothbrush have existed for nearly 5000 years. Ancient civilizations used a “chew stick,” a thin twig with a frayed end. The...