{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T00:42:00Z","timestamp":1760143320533,"version":"build-2065373602"},"reference-count":34,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2024,1,30]],"date-time":"2024-01-30T00:00:00Z","timestamp":1706572800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Improvement of Higher Education Personnel","award":["Finance Code 001","00491\/12","01328\/15"],"award-info":[{"award-number":["Finance Code 001","00491\/12","01328\/15"]}]},{"name":"Nayra Rodrigues de Vasconcelos Calixto","award":["Finance Code 001","00491\/12","01328\/15"],"award-info":[{"award-number":["Finance Code 001","00491\/12","01328\/15"]}]},{"name":"FAPEMA","award":["Finance Code 001","00491\/12","01328\/15"],"award-info":[{"award-number":["Finance Code 001","00491\/12","01328\/15"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>To compare different criteria for the diagnosis of periodontitis and to evaluate the association of this condition with prematurity, this case-control study was conducted on 283 mothers of infants, divided into two groups based on gestational age (cases: &lt;37 weeks, controls: \u226537 weeks), with 71 cases and 212 controls. The periodontal evaluation included probing depth (PD), clinical attachment level (CAL), plaque index, and bleeding on probing (BOP). Participants were classified regarding periodontitis per 14 criteria based on different periodontal parameters. The criterion selected as the gold standard was the presence of at least four teeth with one or more sites with a PD \u2265 4 mm, CAL \u2265 3 mm, and BOP at the same site. The prevalence of periodontal disease ranged from 8.1% to 55.1%. Moreover, compared to the gold standard, the sensitivities of the other criteria were 100%, while specificity ranged from 50.4% to 96.4%. Periodontitis, defined by six of the selected criteria, was associated with prematurity after multivariate adjustment, with OR ranging from 1.85 to 2.69 and 95% CI from 1.01 to 5.56; one of them was the gold standard mentioned above. Measurements using the clinical parameters of PD, CAL, and bleeding at the same site (criteria 5, 6, 7, 8), CPI (criterion 10), and at least four teeth with a PD \u2265 4 mm and CAL \u2265 3 mm (criterion 11) to define periodontitis showed a statistically significant association (p &lt; 0.05). Given this study\u2019s limitations, we can conclude that the diagnostic criteria for a periodontitis definition using a PD \u2265 4 mm and CAL \u2265 3 mm in two or more teeth, with BOP at the same site, seem stronger when detecting an association between periodontitis and prematurity.<\/jats:p>","DOI":"10.3390\/ijerph21020156","type":"journal-article","created":{"date-parts":[[2024,1,30]],"date-time":"2024-01-30T11:35:34Z","timestamp":1706614534000},"page":"156","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Comparative Study on the Periodontal Parameters Used in Diagnosing Periodontitis in Puerperae and Periodontitis\u2019 Relationship with the Birth of Preterm Infants: A Case-Control Study"],"prefix":"10.3390","volume":"21","author":[{"given":"Nayra Rodrigues","family":"de Vasconcelos Calixto","sequence":"first","affiliation":[{"name":"Graduate Program in Dentistry, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5818-412X","authenticated-orcid":false,"given":"Fernanda Ferreira","family":"Lopes","sequence":"additional","affiliation":[{"name":"Graduate Program in Dentistry, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"},{"name":"Department of Dentistry II, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9144-6793","authenticated-orcid":false,"given":"Marcela Mayana Pereira","family":"Franco","sequence":"additional","affiliation":[{"name":"Graduate Program in Dentistry, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Isaac Suzart","family":"Gomes-Filho","sequence":"additional","affiliation":[{"name":"Department of Health, State University of Feira de Santana, Feira de Santana 44036-900, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Bruno Braga","family":"Benatti","sequence":"additional","affiliation":[{"name":"Graduate Program in Dentistry, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"},{"name":"Department of Dentistry II, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cl\u00e1udia Maria Co\u00ealho","family":"Alves","sequence":"additional","affiliation":[{"name":"Graduate Program in Dentistry, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"},{"name":"Department of Dentistry II, Federal University of Maranh\u00e3o, S\u00e3o Lu\u00eds 65080-805, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,1,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"S149","DOI":"10.1111\/jcpe.12945","article-title":"Staging and grading of periodontitis: Framework and proposal of a new classification and case definition","volume":"45","author":"Tonetti","year":"2018","journal-title":"J. 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