{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,7]],"date-time":"2025-11-07T09:03:32Z","timestamp":1762506212265},"reference-count":37,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2013,10,21]],"date-time":"2013-10-21T00:00:00Z","timestamp":1382313600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2014,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>The aim of this pilot study was to analyze the interfurcal bone height in relation to the possible need for subsequent sinus floor elevation in patients with advanced periodontitis and furcation involvement of first and\/or second maxillary molars.<\/jats:p><\/jats:sec><jats:sec><jats:title>Material and methods<\/jats:title><jats:p>Seventeen dentate patients, who received cone beam computed tomography (<jats:styled-content style=\"fixed-case\">CBCT<\/jats:styled-content>) for detailed preoperative diagnosis and planning of surgical interventions at periodontally involved maxillary molars (17 first and 15\u00a0second molars), were consecutively recruited for the study. The minimal bone height in the interfurcal region was measured from <jats:styled-content style=\"fixed-case\">CBCT<\/jats:styled-content> and related to furcation involvement, residual bone above the root tips, and the clinical probing pocket depth (<jats:styled-content style=\"fixed-case\">PPD<\/jats:styled-content>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The minimal interfurcal bone height measured 4.1\u00a0\u00b1\u00a02.6\u00a0mm on average with 75% of maxillary molars having \u22646\u00a0mm and almost 60% having only \u22644\u00a0mm bone height left below the sinus floor. A higher risk for reduced interfurcal bone height of \u22644\u00a0mm was given when residual <jats:styled-content style=\"fixed-case\">PPD<\/jats:styled-content> of \u22656\u00a0mm was remaining at two or more tooth sites (OR 0.10; 0.11).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The majority of periodontally involved maxillary molars had a substantially reduced interfurcal bone height, particularly with at least two sites with residual <jats:styled-content style=\"fixed-case\">PPD<\/jats:styled-content>\u00a0\u2265\u00a06\u00a0mm. This was a predictor for a subsequent need for sinus floor elevation when tooth replacement with a dental implant is desired.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12275","type":"journal-article","created":{"date-parts":[[2013,10,22]],"date-time":"2013-10-22T02:27:32Z","timestamp":1382408852000},"page":"1352-1358","source":"Crossref","is-referenced-by-count":10,"title":["Is furcation involvement in maxillary molars a predictor for subsequent bone augmentation prior to implant placement? 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