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Crevicular fluid samples were taken from 57 subjects: 22 were in the normal control group; 18 in the obese control group; and 17 patients had had bariatric surgery, who underwent a repeat sampling 6 to 12\u00a0months after the operation. Crevicular fluid samples were analyzed by MALDI-TOF MS analysis. After surgery and weight loss, the mean germ count increased, albeit not significantly. Also, <jats:italic>Candida albicans<\/jats:italic> and non-albicans <jats:italic>Candida<\/jats:italic> species: <jats:italic>C. dubliniensis<\/jats:italic>, <jats:italic>C. kefyr<\/jats:italic>, and <jats:italic>C. lusitaniae<\/jats:italic> appeared after surgery (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05) in subjects where <jats:italic>Neisseria<\/jats:italic> was either absent throughout or eliminated after surgery. However, periodontitis did not develop during this time in our subjects.<\/jats:p>","DOI":"10.1007\/s11695-020-05006-0","type":"journal-article","created":{"date-parts":[[2020,9,30]],"date-time":"2020-09-30T02:02:23Z","timestamp":1601431343000},"page":"5157-5161","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Follow-up Study of Microflora Changes in Crevicular Gingival Fluid in Obese Subjects After Bariatric Surgery"],"prefix":"10.1007","volume":"30","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9362-305X","authenticated-orcid":false,"given":"Bettina","family":"Balogh","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S\u00e1ndor","family":"Somodi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mikl\u00f3s","family":"Tanyi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cec\u00edlia","family":"Miszti","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ildik\u00f3","family":"M\u00e1rton","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Barna","family":"Kelentey","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,9,30]]},"reference":[{"issue":"5","key":"5006_CR1","doi-asserted-by":"publisher","first-page":"400","DOI":"10.1177\/154405910708600503","volume":"86","author":"N Pischon","year":"2007","unstructured":"Pischon N, Heng N, Bernimoulin JP, et al. 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