Piksters interdental brushes have been voted the no1 most used and most recommended interdental brush by australian dentists they feature strong stiff plastic coated wire that enables you to reach those hard to reach places between the teeth in order to sweep away food debris plaque and bacteria piksters brushes are just like regular toothbrushes as they can be used daily and their bristles can be washed with water and can be re used for up to 2 weeks depending on how often you use them