The Miswak is an acient teeth cleaning twig made from the Salvadora Persica Tree.It is widely used in the Arab and Islamic world, because the use of the Miswak was encouraged by the Prophet of Islam. Muslim scholars have mentioned over 70 medicinal and spiritual benefits related to the Miswak. A study proving the effectiveness of the Miswak compared to a toothbrush can be found on the US National Library of Medicine National Institutes of Health's website. Benefits of using the Miswak: Prevents tooth decay Kills bacteria that causes gum disease Stops plaque from forming Removes bad breath and yellowness of teeth Creates pleasant fragrance in the mouth Increases saliva and prevents dry mouth Strong antibacterial properties The bristles of the Miswak are parallel to the handle, which makes it more effective when cleaning between teeth.There is also no need to use toothpaste or to floss.