Timeline of the Toothbrush By rpmoran1 Jan 1, 1223 The First Toothbrush In the year 1223 a Japanese Zen master by the name of Dogen Kigen witnessed monks using a tool to clean thier teeth. This first toothbrush was made of horse-tail hairs which were attaced to an ox-bone handle. Period: Jan 1, 1223 to Dec 31, 2011 The development of the toothbrush