Siwak, also known as Miswak, is a stick used for cleaning the mouth and teeth, and it is one of the practices of natural disposition ( Sunan al-Fitrah ). Siwak is derived from the roots or stems of certain types of trees, including the Salvadora persica, a common shrub in the Kingdom of Saudi Arabia . It is also known as the toothbrush tree. Uses of Siwak Siwak is a natural tool for cleaning teeth and can be effectively used as a natural toothbrush to clean, freshen, protect, or maintain the or...