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  • Toothbrushes designed for mechanically cleaning the teeth. They typically consist of a small flat head with a brushing surface 1.0 to 1.25 inches (2.5 to 3 cm) long and 5/16 to 3/8 inches (0.8 to 1cm) wide with a rigid plastic handle. The bristles are usually made of nylon or hog-bristle (natural bristle), and may be grouped in separate tufts (typically 5 to 12) in two to four rows or evenly distributed. Manual toothbrushes are intended mainly for personal hygiene at home.
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