{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T16:02:44Z","timestamp":1787068964216,"version":"build-2736575974"},"reference-count":45,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2020,12,10]],"date-time":"2020-12-10T00:00:00Z","timestamp":1607558400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Peri\u2010implantitis is widely recognized as a major cause of late implant failure, both in pristine and regenerated bone. The present study aims to evaluate the prevalence of peri\u2010implantitis in implants inserted in augmented maxillary sinuses and to analyze possible risk factors.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A cross\u2010sectional study was conducted in four centers including patients who underwent lateral or transcrestal sinus augmentation and received dental implants. Clinical and anamnestic data were collected using a standardized form. Univariate and multivariate logistic regression analyses have been performed for both implant\u2010level and patient\u2010level variables. Subsequently, a multilevel logistic mixed\u2010effect model was built to analyze variables correlated with the occurrence of peri\u2010implantitis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 156 patients (61 males and 95 females; mean age: 60.9 \u00b1 11.6 years) with 315 implants inserted into augmented maxillary sinuses with a follow\u2010up ranging from 1 to 18 years were evaluated. Seven implants in seven patients were previously lost for peri\u2010implantitis (2.2% and 4.5% at implant\u2010 and patient\u2010level, respectively); 250 implants showed no signs of peri\u2010implant diseases (79.4%), 34 implants presented mucositis (10.8%), and 24 implants exhibited peri\u2010implantitis (7.6%). Corresponding data evaluated at patient\u2010level were 125 (80.1%), 17 (10.9%), and 14 (9.0%), respectively. At the multilevel analysis, history of periodontitis, sinus elevation with lateral approach, and one\u2010stage sinus floor elevation significantly correlated with the occurrence of peri\u2010implantitis (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0&lt;0.001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>History of periodontitis confirmed its well\u2010known role as a risk factor for peri\u2010implant pathologies. In addition, both lateral window technique and one\u2010stage sinus floor elevation seemed to represent significant risk factors for peri\u2010implantitis.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jper.20-0483","type":"journal-article","created":{"date-parts":[[2020,11,27]],"date-time":"2020-11-27T17:35:32Z","timestamp":1606498532000},"page":"1117-1125","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Factors influencing the prevalence of peri\u2010implantitis in implants inserted in augmented maxillary sinuses: A multicenter cross\u2010sectional study"],"prefix":"10.1002","volume":"92","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4017-4980","authenticated-orcid":false,"given":"Claudio","family":"Stacchi","sequence":"first","affiliation":[{"name":"Department of Medical Surgical and Health Sciences University of Trieste  Trieste 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