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.
Many people wonder if it is suitable to use a toothbrush and toothpaste designed for human consumption to brush dogs teeth or should they invest in a proper dogs toothbrush and toothpaste. The answer to this question is NO, you should never use human toothpaste on dogs and there are a few reasons for that.