Photo credit: www.buzbury.com How do you feel about brushing your teeth with a twig? No, we’re not talking about your favourite panda bear but about the reinvention of the toothbrush. A design student was asked by her professor to redesign the next object she disposed of and for Leen Sadder, it was a tube of toothpaste. After contemplation and research, the most efficient design was not in fact a new product but borrowing the predominantly Middle Eastern and South Asian technique of using “miswak”. For those of you who are not so keenly into tree anatomy, miswak is a twig from an Arak tree and has been attributed to religious beliefs of Muslims. The use of twigs for dental hygiene is promoted by the World Health Organization and has been shown to kill gum disease, fight plaque and gingivitis and remove bad breath. All such benefits have been proved in studies to be more effective than your everyday plastic toothbrush. Interestingly enough, the use of one of these twigs has also been sh...