Invention on Instagram: "In many parts of Africa, people have long used twigs from certain trees as a natural way to clean their teeth. These twigs, often taken from trees like the Salvadora persica, are carefully cut and chewed on one end until the fibers separate into soft bristles. This simple yet effective method has been passed down for generations and is still used today both for its practicality and its cultural significance. The fibers that form from chewing the twig work much like the b