{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,7,22]],"date-time":"2024-07-22T04:40:15Z","timestamp":1721623215973},"reference-count":22,"publisher":"Bentham Science Publishers Ltd.","issue":"1","license":[{"start":{"date-parts":[[2015,3,31]],"date-time":"2015-03-31T00:00:00Z","timestamp":1427760000000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"content-domain":{"domain":["opendentistryjournal.com","benthamopen.com"],"crossmark-restriction":true},"short-container-title":["TODENTJ"],"published-print":{"date-parts":[[2015,3,31]]},"abstract":"<jats:p><jats:underline>Objective<\/jats:underline>: Since dentures can serve as a reservoir for halitosis-causing oral bacteria, halitosis development is a concern for denture wearers. In this study, we surveyed the prevalence of four selected halitosis-related species (<jats:italic>Fusobacterium nucleatum, Tannerella forsythia<\/jats:italic>,<jats:italic>Veillonella atypica<\/jats:italic>and<jats:italic>Klebsiella pneumoniae<\/jats:italic>) in clinical denture plaque samples, and developed denture biofilm models for these species<jats:italic>in vitro<\/jats:italic>to facilitate assessment of antimicrobial treatment efficacy.<jats:italic><jats:underline>Design<\/jats:underline>:<\/jats:italic>Denture plaque from ten healthy and ten denture stomatitis patients was screened for the presence of aforementioned four species by PCR. Biofilm formation by these halitosis-associated species on the surfaces of denture base resin (DBR) discs was evaluated by crystal violet staining and confocal laser scanning microscopy. The efficacy of denture cleanser treatment on these mono-species biofilms was evaluated by colony counting.<jats:italic><jats:underline>Results<\/jats:underline>:<\/jats:italic>80% of the subjects in the denture stomatitis group and 60% in the healthy group contained at least one of the targeted halitosis-related species in their denture plaque. All halitosis species tested were able to form biofilms on DBR disc surfaces to varying degrees. These<jats:italic>in vitro<\/jats:italic>mono-species resin biofilm models were used to evaluate the efficacy of denture cleansers, which exhibited differential efficacies. When forming biofilms on resin surfaces, the halitosis-related species displayed enhanced resistance to denture cleansers compared with their planktonic counterparts.<jats:italic><jats:underline>Conclusion<\/jats:underline>:<\/jats:italic>The four selected halitosis-related bacterial species examined in this study are present on the majority of dentures. The mono-species biofilm models established on DBR discs for these species are an efficient screening tool for dental product evaluation.<\/jats:p>","DOI":"10.2174\/1874210601509010125","type":"journal-article","created":{"date-parts":[[2015,4,21]],"date-time":"2015-04-21T11:20:33Z","timestamp":1429615233000},"page":"125-131","update-policy":"http:\/\/dx.doi.org\/10.2174\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Development of In Vitro Denture Biofilm Models for Halitosis Related Bacteria and their Application in Testing the Efficacy of Antimicrobial Agents"],"prefix":"10.2174","volume":"9","author":[{"given":"Tingxi","family":"Wu","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Xuesong","family":"He","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hongyang","family":"Lu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David J","family":"Bradshaw","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alyson","family":"Axe","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zvi","family":"Loewy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Honghu","family":"Liu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wenyuan","family":"Shi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Renate","family":"Lux","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"965","reference":[{"key":"refR1","doi-asserted-by":"crossref","first-page":"466","DOI":"10.1590\/S1806-83242011000500015","volume":"25","author":"Rosing CK","year":"2011","unstructured":"Rosing CK, Loesche W. 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