{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,19]],"date-time":"2025-08-19T10:33:35Z","timestamp":1755599615404},"reference-count":35,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2012,9,11]],"date-time":"2012-09-11T00:00:00Z","timestamp":1347321600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Clin Implant Dent Rel Res"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Implant stability is one of the key factors for a successful osseointegration. At present, several techniques are available to regenerate bone tissue, but it is not clear whether implants placed in grafted bone are as stable as implants in native bone over time.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The aim of the present study was to compare, by means of resonance frequency analysis (<jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content>), the stability of implants placed in sinus\u2010grafted and \u2010nongrafted sites during 12\u2010month follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Twenty\u2010five patients received a total of 38 implants. Nineteen implants were placed in maxillary native bone (group <jats:styled-content style=\"fixed-case\">A<\/jats:styled-content>) and 19 implants following maxillary sinus floor augmentation using anorganic bovine bone and autogenous bone (group <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content>) in a 50:50 ratio. Group <jats:styled-content style=\"fixed-case\">B<\/jats:styled-content> was divided into groups <jats:styled-content style=\"fixed-case\">B1<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">B2<\/jats:styled-content> depending on the timing of implant insertion, that is, <jats:styled-content style=\"fixed-case\">B1<\/jats:styled-content> simultaneously and <jats:styled-content style=\"fixed-case\">B2<\/jats:styled-content> 6 months after sinus lift. The implants were inserted according to a two\u2010stage procedure. <jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content> values were collected at baseline, 6 and 12 months after implant placement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Between the tested groups, no statistically significant difference was found in <jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content> values of implants placed in sinus\u2010grafted and \u2010nongrafted sites after the surgery as well as at 6 and 12 months, while a significant difference was recorded in group <jats:styled-content style=\"fixed-case\">B1<\/jats:styled-content> (<jats:italic>p<\/jats:italic>\u2009=\u2009.0297) when <jats:styled-content style=\"fixed-case\">RFA<\/jats:styled-content> values were compared over time.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The results of the present study suggest that regenerated bone can offer good stability for dental implants.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12002","type":"journal-article","created":{"date-parts":[[2012,9,12]],"date-time":"2012-09-12T00:48:43Z","timestamp":1347410923000},"page":"394-400","source":"Crossref","is-referenced-by-count":9,"title":["Resonance Frequency Analysis Assessment of Implants Placed with a Simultaneous or a Delayed Approach in Grafted and Nongrafted Sinus Sites: A 12\u2010Month Clinical Study"],"prefix":"10.1111","volume":"16","author":[{"given":"Sergio","family":"Di Lallo","sequence":"first","affiliation":[{"name":"Private practice  Bazzano (Bo) Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Laura","family":"Ricci","sequence":"additional","affiliation":[{"name":"Dental School University of Chieti\u2010Pescara  Chieti Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefano","family":"Orecchioni","sequence":"additional","affiliation":[{"name":"Dental School University of Chieti\u2010Pescara  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