People with periodontitis can use dental floss, periodontitis patients will occur alveolar bone resorption, gum recession, etc., so that the gap between the two neighboring teeth increased, easy to embedded food debris and soft tartar, ordinary brushing can only be removed from the teeth of the lip surface, tongue, jaw, etc. about 80% of the soft tartar and residue, you must resort to flossing, inter-dental brushes, flossers, etc., in order to achieve the purpose of cleaning more effectively. Dental flosser pressurized rinsing can be flushed out of the interspace in the food retained in the soft dirt and plaque, and bacteria rinsing discharged to the outside of the mouth, to avoid the food debris compression of the gums lead to gingival inflammation and other consequences.