| http://www.w3.org/ns/prov#value | - Finally, as a part of the overall system and method, this dental hygiene system and method also disinfects key areas of the toothbrush or other device used to deliver the UVA light. [0002] The use of photocatalysis in purifying both gas and liquid media and in controlling bacteria and other microorganisms on the surfaces of solid objects is a relatively new and rapidly growing technology.
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