{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,11]],"date-time":"2026-08-11T04:29:15Z","timestamp":1786422555836,"version":"build-2736575974"},"reference-count":48,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T00:00:00Z","timestamp":1767830400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T00:00:00Z","timestamp":1767830400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Oral Diseases"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Professional tooth cleaning is a simple, low\u2010cost preoperative oral intervention. Its role in reducing postoperative complications in oral squamous cell carcinoma (OSCC) remains unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      This retrospective cohort study included 415 OSCC patients undergoing radical resection with free flap reconstruction. After propensity score matching, 174 well\u2010matched pairs were analyzed. Patients were divided into a tooth cleaning group (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009174) and a control group (\n                      <jats:italic>n<\/jats:italic>\n                      \u2009=\u2009174). Outcomes included postoperative pneumonia (PP), surgical site infection (SSI), fever, length of stay, and unplanned reoperation were recorded.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Preoperative tooth cleaning was significantly associated with lower PP risk (OR\u2009=\u20090.30). Significant independent risk factors for PP included tumor location at the floor of the mouth (OR\u2009=\u20094.70), hypertension (OR\u2009=\u20092.93), and longer operative duration (OR\u2009=\u20091.33 per hour). The radiographic severity of periodontitis was not a significant risk factor for PP. No associations were found between tooth cleaning and other outcomes. Stratified analyses showed significant protective effects in patients aged &gt;\u200960\u2009years (OR\u2009=\u20090.19), with hypertension (OR\u2009=\u20090.08), periodontitis (OR\u2009=\u20090.07), or surgeries &gt;\u20095\u2009h (OR\u2009=\u20090.18).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Preoperative professional tooth cleaning one day before surgery is associated with a reduced risk of PP in OSCC patients.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/odi.70200","type":"journal-article","created":{"date-parts":[[2026,1,8]],"date-time":"2026-01-08T18:00:04Z","timestamp":1767895204000},"page":"1675-1686","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Preoperative Professional Tooth Cleaning as a Preventive Measure for Postoperative Pneumonia in OSCC Patients: A\u00a0Retrospective 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