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.
Toothbrush is a dental instrument that is used to clean the teeth, along with toothpaste or mouthwash. It comprises the handle that is made from plastic and small nylon bristles fixated into the brushâs head. The modern designs of toothbrush offer wide range of styles and shapes in the market and they are mechanically produced. Generally, toothbrushes are made up of natural boar or nylon bristles and plastic handles.