Modern nylon bristle toothbrushes were first developed in 1938. However, early civilizations used slender twigs with tattered ends to brush teeth. The use of these "chew stick” started during 3000 B.C ...
Dental hygiene is important to Select readers — our guide to electric toothbrushes has grown increasingly popular since its publication. In general, online search trends for toothbrushes have also ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback