Oral irrigation aims to cleanse plaque from the interdental (between teeth) and subgingival (under the gumline) regions of the mouth in order to prevent the colonization of harmful oral bacteria.  This procedure is also used to deliver antibacterials to the subgingival areas. Oral irrigation is a versatile dental treatment used for several different preventative purposes.  Oral irrigation may be performed as part of a professional dental cleaning, or at home with a specially modified oral irrigator such as Hydro Floss.