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Tue 06 Jun 2007Brushing up on alternative ways to flossIn Africa, small twigs cut from wild trees are used as toothbrushes. They work so well that some upmarket health stores in the US are selling 'chew-sticks' as the natural form of dental care.Brush your teeth every day, dentists say. In Africa, that can mean keeping your toothbrush in your mouth all day long.