{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,24]],"date-time":"2026-04-24T07:03:29Z","timestamp":1777014209286,"version":"3.51.4"},"reference-count":35,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2021,8,18]],"date-time":"2021-08-18T00:00:00Z","timestamp":1629244800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Large antroliths and those located adjacent to the sinus floor can affect clinical interventions and increase the difficulty of implant placement performed simultaneously with osteotome sinus floor elevation surgery.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>This retrospective study investigated the clinical outcomes of implants placed simultaneously with osteotome sinus floor elevation subjacent to maxillary antroliths.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>Twenty implants inserted subjacent to or intruding into the antrolith after sinus floor elevation were evaluated in 18 patients. Cone\u2010beam computed tomography (CBCT) was used to measure antrolith size and membrane thickness at sites of osteotome sinus floor elevation. Periapical radiographs were used to assess the height of grafted bone. Generalized estimating equation (GEE) analysis was performed to correlate the occurrence of antroliths with patient background characteristics and dental outcomes, based on a sample population of 239, among whom 33 presented antroliths.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The 20 implants remained clinically stable over a mean follow\u2010up period of 42.4\u00a0months. The mean thickness of the sinus membrane at osteotome sites was 5.4\u2009\u00b1\u20093.3\u2009mm. None of the cases presented sinus membrane perforation or sinus symptoms following osteotome intervention. The mean gain in the height of grafted sinus bone was 4.0\u2009\u00b1\u20091.4\u2009mm at the last follow\u2010up. The occurrence of antroliths was higher among females and the elderly (&gt;49\u2009years old). The multivariable GEE analysis showed that the adjusted odds ratio for the occurrence of antroliths with root canal fillings was significantly lower than those without root canal fillings (odds ratio\u00a0=\u00a00.33; 95% confidence interval\u00a0=\u00a00.11\u20130.96).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Our findings indicate that osteotome sinus floor elevation is a surgical procedure with a risk &lt;17%. Thorough planning based on CBCT and careful management during surgery can eliminate the negative effects of antroliths on implant performance.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.13043","type":"journal-article","created":{"date-parts":[[2021,8,18]],"date-time":"2021-08-18T09:08:22Z","timestamp":1629277702000},"page":"833-841","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Influence of maxillary antrolith on the clinical outcome of implants placed simultaneously with osteotome sinus floor elevation: A retrospective radiographic study"],"prefix":"10.1111","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4112-9444","authenticated-orcid":false,"given":"Hsuan\u2010Hung","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Dentistry National Yang Ming Chiao Tung University  Taipei Taiwan"},{"name":"Division of Periodontology, Department of Stomatology Taipei Veterans General 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