title: A histopathological study of tissue responses to the pulsar pulsating water pressure cleansing device.
mesh_terms: D002986:Clinical Trials as Topic; D005881:Gingiva / Q000503:physiopathology*; D006801:Humans; D010510:Periodontal Diseases / Q000628:therapy*; D011312:Pressure; D007507:Therapeutic Irrigation / Q000295:instrumentation*; D014867:Water
chemical_list: D014867:Water