Multiple choice

When was the toothbrush invented?

  1. 1770

  2. 1765

  3. 1790

  4. 1742

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

William Addis is credited with inventing the first mass-produced toothbrush in 1780, though some sources cite 1770 or 1790 depending on the specific design.