{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,3]],"date-time":"2026-05-03T12:35:02Z","timestamp":1777811702826,"version":"3.51.4"},"reference-count":29,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2013,10,7]],"date-time":"2013-10-07T00:00:00Z","timestamp":1381104000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Dent Res"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:p>\n                    To better understand the microbial basis of oral malodor development in humans, we used a cross-sectional and longitudinal study design and the pyrosequencing approach to track and compare the tongue microbiota associated with oral malodor in 29 Chinese adults who underwent a consecutive three-day evaluation for the amount of H\n                    <jats:sub>2<\/jats:sub>\n                    S excreted orally. Three levels of the oral malodor state (healthy, oral malodor, and severe oral malodor) were defined based on the H\n                    <jats:sub>2<\/jats:sub>\n                    S level. Community structure of the tongue plaques was more sensitive to changes of malodor state than to interpersonal variations or differences in sampling times. Within each individual, the structure of microbiota was relatively stable, while their variations were correlated with the change in the H\n                    <jats:sub>2<\/jats:sub>\n                    S level. Severe oral malodor microbiota were the most conserved in community structure, whereas the healthy ones were relatively varied. Oral-malodor-associated bacteria were identified. The relative abundance of Leptotrichia and Prevotella was positively correlated with oral malodor severity, whereas Hemophilus and Gemella exhibited a negative relationship with oral malodor severity. Our study provides one of the first landscapes of oral microbiota changes associated with oral malodor development and reveals microbes potentially useful to the evaluation and control of oral malodor.\n                  <\/jats:p>","DOI":"10.1177\/0022034513507065","type":"journal-article","created":{"date-parts":[[2013,10,7]],"date-time":"2013-10-07T22:31:48Z","timestamp":1381185108000},"page":"1106-1112","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":40,"title":["Microbial Basis of Oral Malodor Development in Humans"],"prefix":"10.1177","volume":"92","author":[{"given":"F.","family":"Yang","sequence":"first","affiliation":[{"name":"Oral Research Center, Qingdao Municipal Hospital, Qingdao, Shandong, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S.","family":"Huang","sequence":"additional","affiliation":[{"name":"Bioenergy Genome Center, Qingdao Institute of Bioenergy and Bioprocess 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