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teeth cleaning twig
A teeth cleaning twig or datun is a tool made from a twig from a tree. It can help to prevent tooth decay and gum disease.
A type of teeth cleaning twig made from the ''Salvadora persica'' tree is known as a ''miswak'', and is common in Africa and parts of Asia.
==History==
Chew sticks are twigs with a frayed end used to brush against the teeth, while the other end can be used as a toothpick.〔 The earliest chew sticks have been dated to Babylonia in 3500 BC〔 and an Egyptian tomb from 3000 BC;〔 they are mentioned in Chinese records dating from 1600 BC.
In Africa, chew sticks are made from the tree ''salvadora persica'', also known as the "toothbrush tree." In Islam, this tree is traditionally used to create a chew stick called miswak, as frequently advocated for in the ''hadith''(written traditions relating to the life of Muhammad).〔(【引用サイトリンク】title=Search Results - miswak (page 1) -
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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