Miswak

Miswak is a common name for Salvadore persica .Miswak not only has the chemical for oral treatments but also the twig acts as a brush.
The use of Miswak is popularized by Prophet Muhammad(PBUH). These are used as a brush to scrub one’s teeth before prayer.
 
There are 70 benefits of Miswak as recommended by Islamic Literature and many of these have been scientifically proven.