{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T08:54:11Z","timestamp":1787820851815,"version":"build-2784847793"},"reference-count":43,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2012,2,2]],"date-time":"2012-02-02T00:00:00Z","timestamp":1328140800000},"content-version":"vor","delay-in-days":1,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2012,2,1]],"date-time":"2012-02-01T00:00:00Z","timestamp":1328054400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Nut in Clin Prac"],"published-print":{"date-parts":[[2012,2]]},"abstract":"<jats:p><jats:italic>Background<\/jats:italic> Bariatric surgery influences the intake and absorption of nutrients, which, when associated with vomiting, can damage the oral cavity. The serum concentrations of vitamin C and myeloperoxidase (MPO) and oral clinical manifestations were examined in patients 2 years after Roux\u2010en\u2010Y gastric bypass (RYGB). <jats:italic>Methods<\/jats:italic> Clinical prospective study with control group (CG; n = 26), assessed only once, and the bariatric group (BG; n = 26), assessed in the basal period and at 12 and 24 months after surgery. The mean ages in the CG and BG were 37.8 \u00b1 1.51 and 39.6 \u00b1 1.93 years, respectively, and their body mass indices were 22.07 \u00b1 0.29 and 45.62 \u00b1 1.46 kg\/m<jats:sup>2<\/jats:sup>, respectively. <jats:italic>Results<\/jats:italic> At 12 months after surgery, increased episodes of vomiting (<jats:italic>P<\/jats:italic> &lt; .001) and dental hypersensitivity (<jats:italic>P<\/jats:italic> = .012) were observed, with a reduction in the saliva\u2010buffering capacity of 21.3% \u00b1 2.9% (<jats:italic>P<\/jats:italic> = .004). At 24 months after RYGB, a significant reduction in serum vitamin C was detected (32.9% \u00b1 5.3%, <jats:italic>P<\/jats:italic> &lt; .001), and MPO values were higher than in the basal period (<jats:italic>P<\/jats:italic> = .032). With regard to oral hygiene habits, 92.3% of patients reported frequent tooth brushing and 96.1% used fluoride, which were similar across the 2 years. However, dental hypersensitivity (<jats:italic>P<\/jats:italic> = .048) was significantly increased than baseline. <jats:italic>Conclusions<\/jats:italic> The results demonstrated that vitamin C deficiency and increased vomiting after gastric bypass for morbid obesity may contribute to increased periodontal disease. The fact that it is impossible to determine which factor or factors (diet, poor compliance with supplementation, vomiting, poor oral hygiene) contributed to the dental problems in these patients is a shortcoming of the report.<\/jats:p>","DOI":"10.1177\/0884533611431462","type":"journal-article","created":{"date-parts":[[2012,2,2]],"date-time":"2012-02-02T18:27:45Z","timestamp":1328207265000},"page":"114-121","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":31,"title":["Influence of Roux\u2010en\u2010Y Gastric Bypass Surgery on Vitamin C, Myeloperoxidase, and Oral Clinical Manifestations"],"prefix":"10.1002","volume":"27","author":[{"given":"B\u00e1rbara Dal Molin","family":"Netto","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emilia Addison Machado","family":"Moreira","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juliana Sedrez Reis","family":"Pati\u00f1o","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juc\u00e9lia Pizzetti","family":"Beninc\u00e1","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alceu Afonso","family":"Jord\u00e3o","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"T\u00e2nia Silvia","family":"Fr\u00f6de","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2012,2,2]]},"reference":[{"key":"e_1_2_4_2_1","doi-asserted-by":"publisher","DOI":"10.1381\/0960892053923761"},{"key":"e_1_2_4_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/01.med.0000244220.53163.85"},{"key":"e_1_2_4_4_1","doi-asserted-by":"publisher","DOI":"10.1381\/096089203321136548"},{"key":"e_1_2_4_5_1","doi-asserted-by":"publisher","DOI":"10.1381\/096089206778392211"},{"key":"e_1_2_4_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1572-0241.2007.01421.x"},{"key":"e_1_2_4_7_1","doi-asserted-by":"publisher","DOI":"10.1590\/S0104-42302010000100012"},{"key":"e_1_2_4_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1834-7819.2008.00064.x"},{"key":"e_1_2_4_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11695-007-9208-x"},{"key":"e_1_2_4_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.soard.2008.06.007"},{"key":"e_1_2_4_11_1","doi-asserted-by":"publisher","DOI":"10.1093\/jn\/137.3.657"},{"key":"e_1_2_4_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jada.2007.06.003"},{"key":"e_1_2_4_13_1","doi-asserted-by":"publisher","DOI":"10.1038\/sj.bdj.4812613"},{"key":"e_1_2_4_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jebdp.2008.03.005"},{"key":"e_1_2_4_15_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-051X.2008.01345.x"},{"key":"e_1_2_4_16_1","first-page":"1291","article-title":"Relationship between diabetes and periodontal disease","volume":"19","author":"Nagata T","year":"2009","journal-title":"Clin Calcium"},{"key":"e_1_2_4_17_1","doi-asserted-by":"publisher","DOI":"10.1155\/2007\/45794"},{"key":"e_1_2_4_18_1","doi-asserted-by":"publisher","DOI":"10.1080\/08820130802457503"},{"key":"e_1_2_4_19_1","unstructured":"World Medical Association (WMA).Declaration of Helsinki. 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