Coan, Lorinda L Sampling water from chemically cleaned dental units with detachable power scalers. [electronic resource] - Journal of dental hygiene : JDH 2007 - 80 p. digital Publication Type: Journal Article ISSN: 1553-0205 Subjects--Topical Terms: Colony Count, MicrobialDental DisinfectantsDental Equipment--microbiologyDental Scaling--instrumentationInfection Control, Dental--methodsOrganic ChemicalsSyringes--microbiologyUltrasonic Therapy--instrumentationWater MicrobiologyWater Purification--methods