{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T02:41:39Z","timestamp":1791600099773,"version":"4.3.4"},"reference-count":36,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2020,3,19]],"date-time":"2020-03-19T00:00:00Z","timestamp":1584576000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Clinic Periodontology"],"published-print":{"date-parts":[[2020,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aim<\/jats:title>\n                    <jats:p>To evaluate the effects of (a) transcrestal sinus\u2010floor elevation (TSFE) and (b) residual bone height on long\u2010term implant survival.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      Chi\u2010squared and\n                      <jats:italic>t<\/jats:italic>\n                      tests were used for descriptive comparison of the groups. Kaplan\u2013Meier survival curves and corresponding log\u2010rank tests were used to investigate implant survival over time. Multivariable Cox regressions were performed for the total population and experimental group.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 634 patients received 648 implants with TSFE, while 674 implants without TSFE served as controls. Thirty implant failures occurred in the experimental group and 28 in the control group. Ten\u2010year Kaplan\u2013Meier survival curves for the 157 implants (24.3%) still under observation showed a probability of survival of 93.7% for the implants with TSFE and 92.9% for the 72 implants without TSFE (\n                      <jats:italic>p<\/jats:italic>\n                      \u00a0=\u00a0.678). The probability of 10\u2010year survival of all implants in the experimental group decreased to 77.4% for implants placed in residual bone heights of 1\u20133\u00a0mm, compared with 95.7% for implant sites with bone heights of 4\u20136\u00a0mm and 97.6% for bone heights of &gt;6\u00a0mm.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Transcrestal sinus\u2010floor elevation has no negative effect on the long\u2010term implant survival. Membrane perforation or negligible bone height, however, reduces the probability of 10\u2010year survival.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jcpe.13278","type":"journal-article","created":{"date-parts":[[2020,3,7]],"date-time":"2020-03-07T15:55:10Z","timestamp":1583596510000},"page":"640-648","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":34,"title":["The effect of transcrestal sinus\u2010floor elevation without graft on the long\u2010term prognosis of maxillary implants"],"prefix":"10.1111","volume":"47","author":[{"given":"Peter","family":"Rammelsberg","sequence":"first","affiliation":[{"name":"Department of Prosthodontics Dental School University of Heidelberg Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Samuel","family":"Kilian","sequence":"additional","affiliation":[{"name":"Institute for Medical Biometry and Informatics University Hospital Heidelberg University of Heidelberg Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"B\u00fcsch","sequence":"additional","affiliation":[{"name":"Institute for Medical Biometry and Informatics University Hospital Heidelberg University of Heidelberg Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3660-153X","authenticated-orcid":false,"given":"Stefanie","family":"Kappel","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics Dental School University of Heidelberg Heidelberg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2020,3,19]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12275"},{"issue":"8","key":"e_1_2_9_3_1","first-page":"613","article-title":"Grafting of the maxillary sinus floor with autogenous marrow and bone","volume":"38","author":"Boyne P. 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