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However, periodontal probing is time-consuming, highly discomforting, inaccurate, and invasive. We aimed to assess whether periodontitis severity based on radiological staging in accordance with the 2017 new consensus classification was related to adverse pregnancy and neonatal outcomes. The medical records of 165 mothers who underwent panoramic radiography within 5\u00a0years before and after the time of delivery and of their singleton neonates were retrospectively reviewed. Twenty-two mothers (13.3%) had severe periodontitis (SP), and 143 (86.7%) had mild or moderate periodontitis (MP). In relation to adverse pregnancy outcomes, uterine leiomyoma (18.2% vs. 4.2%,<jats:italic>P<\/jats:italic>\u2009=\u20090.029), chronic hypertension (9.1% vs. 0.7%,<jats:italic>P<\/jats:italic>\u2009=\u20090.047), and preeclampsia (13.6% vs. 2.1%,<jats:italic>P<\/jats:italic>\u2009=\u20090.032) occurred significantly more frequently in the SP group than in the MP group. The incidences of very preterm birth (13.6% vs. 1.4%,<jats:italic>P<\/jats:italic>\u2009=\u20090.017), extremely preterm birth (9.1% vs. 0.7%,<jats:italic>P<\/jats:italic>\u2009=\u20090.047), and small for gestational age (22.7% vs. 5.6%,<jats:italic>P<\/jats:italic>\u2009=\u20090.017) were also significantly higher in the SP group than in the MP group. Radiological screening of maternal periodontitis could be useful for predicting adverse pregnancy and neonatal outcomes as well as diagnosing SP in pregnant women.<\/jats:p>","DOI":"10.1038\/s41598-020-78385-0","type":"journal-article","created":{"date-parts":[[2020,12,4]],"date-time":"2020-12-04T11:06:08Z","timestamp":1607079968000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Radiological screening of maternal periodontitis for predicting adverse pregnancy and neonatal outcomes"],"prefix":"10.1038","volume":"10","author":[{"given":"Ju Sun","family":"Heo","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ki Hoon","family":"Ahn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jung Soo","family":"Park","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2020,12,4]]},"reference":[{"key":"78385_CR1","doi-asserted-by":"publisher","first-page":"911","DOI":"10.1056\/NEJMoa063186","volume":"356","author":"MS Tonetti","year":"2007","unstructured":"Tonetti, M. 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