Medicine: Brushless Toothbrush

The toothbrush may eventually give way to the Orajet, a device developed by Manhattan Dentist Charles L. Hyser (TIME, Feb. 22, 1943). Like many other dentists, Dr. Hyser has long been dissatisfied with the toothbrush. He has told patients that it does not do a very good job of cleaning, and may cause "abrasion cavities" by wearing off the enamel. A year and a half ago he started out to find something better. Last week, having cho sen the final design, he was ready to start 500-a-day production in a Mt. Vernon, N.Y. machine shop.

The Orajet is a 22-inch tube of...

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