What Is A U
What is a U-shaped electric toothbrush? A U-shaped, sometimes called a Y-shaped, brush is an electric toothbrush that’s shaped like a mouthguard, with nylon or a mix of nylon and silicone bristles inside. It’s attaches to a palm-sized handle containing a motor that creates sonic vibrations. Instead of you moving a brush around your mouth and brushing teeth individually, it brushes all your teeth at once. Some of the best-know brands and models include:...