Although cases like Katzenbach and Heart of Atlanta Motel stretched Congress' power to regulate under the Commerce Clause, United States v. Lopez, 514 U.S. 549 (1995) restricted the Commerce Clause's reach.
Toothbrushes have been around for hundreds of years. In fact, the first known toothbrushes were used about 5,000 years ago and were made of twigs. The Prophet Mohammed introâ¦duced the use of the miswak (toothbrush) to the middle east about 1,300 years ago.
Then in 1938, nylon bristles replaced animal hair. A company called DuPont de Nemours introduced the first toothbrushes with nylon bristles. The first such toothbrush was called Dr. Westâs Miracle â Tuft Toothbrush.American Dental Association has described an ideal toothbrush to be having â a brushing surface 1 to 1.25 inches long and 7.9 to 9.5 mm wide, 2 to 4 rows of bristles and 5 to 12 tufts per row.he first such toothbrush was called Dr. Westâs Miracle â Tuft Toothbrush. American Dental Association has described an ideal toothbrush to be having â a brushing surface 1 to 1.25 inches long and 7.9 to 9.5 mm wide, 2 to 4 rows of bristles and 5 to 12 tufts per row.