{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T02:52:22Z","timestamp":1790823142052,"version":"4.1.0"},"reference-count":39,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2012,12,5]],"date-time":"2012-12-05T00:00:00Z","timestamp":1354665600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Gerodontology"],"published-print":{"date-parts":[[2014,9]]},"abstract":"<jats:sec><jats:title>Objectives<\/jats:title><jats:p>To compare ultrasonic cleaning combined with immersion in a commercially available peroxide\u2010based cleanser solution (<jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>olident<jats:sup>\u00ae<\/jats:sup>) with other denture cleaning methods, we examined the quantity of micro\u2010organisms that survived on dentures before and after various cleaning methods.<\/jats:p><\/jats:sec><jats:sec><jats:title>Subjects and methods<\/jats:title><jats:p>One hundred complete dentures belonging to 50 nursing home residents (mean age, 84.6\u00a0years) were randomly assigned to five groups according to the cleaning method employed: (<jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>) immersion in <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>olident<jats:sup>\u00ae<\/jats:sup> solution alone, (<jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>) brushing with water, (<jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>) ultrasonic cleaning with water, (<jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>) method (<jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>) followed by method (<jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>) and (<jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>) ultrasonic cleaning combined with immersion in <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>olident<jats:sup>\u00ae<\/jats:sup> solution. Before and after the dentures had been cleaned, denture biofilm was collected from the mucosal surface of each lateral half of the examined dentures. The collected micro\u2010organisms were cultured, presumptively identified by standard methods and quantified. Comparisons between the five cleaning methods were carried out using the <jats:styled-content style=\"fixed-case\">K<\/jats:styled-content>ruskal\u2013<jats:styled-content style=\"fixed-case\">W<\/jats:styled-content>allis test and <jats:styled-content style=\"fixed-case\">D<\/jats:styled-content>unn's multiple comparisons test.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The denture cleaning methods involving the use of <jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>olident<jats:sup>\u00ae<\/jats:sup> solution (methods <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>,<jats:styled-content style=\"fixed-case\"> D<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content>) were significantly more effective at denture disinfection than the other methods (<jats:italic>p\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.05); in particular, the quantity of <jats:italic><jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>andida<\/jats:italic> spp. was lowest after method <jats:styled-content style=\"fixed-case\">E<\/jats:styled-content> (median, 0.00; significantly lower than those observed after methods <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>,<jats:styled-content style=\"fixed-case\"> B<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">C<\/jats:styled-content>;<jats:italic> p\u00a0<\/jats:italic>&lt;<jats:italic>\u00a0<\/jats:italic>0.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>It was concluded that ultrasonic cleaning combined with immersion in a peroxide\u2010based cleanser solution effectively reduces the quantity of micro\u2010organisms surviving on dentures and is a suitable method for elderly individuals who find brushing their dentures difficult.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ger.12027","type":"journal-article","created":{"date-parts":[[2012,12,6]],"date-time":"2012-12-06T03:43:16Z","timestamp":1354765396000},"page":"202-209","source":"Crossref","is-referenced-by-count":32,"title":["Survival of microorganisms on complete dentures following ultrasonic cleaning combined with immersion in peroxide\u2010based cleanser solution"],"prefix":"10.1111","volume":"31","author":[{"given":"Yasuhiro","family":"Nishi","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Prosthodontics, Field of Oral and Maxillofacial Rehabilitation, Advanced Therapeutic Course Kagoshima University Graduate School of Medical and Dental Sciences Kagoshima Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katsura","family":"Seto","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Prosthodontics, Field of Oral and Maxillofacial Rehabilitation, Advanced 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