{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T16:43:08Z","timestamp":1774975388343,"version":"3.50.1"},"reference-count":39,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2021,6,8]],"date-time":"2021-06-08T00:00:00Z","timestamp":1623110400000},"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":[[2021,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The ability to restore missing teeth with dental implants is dictated by the available bone and by the presence of anatomical structures. The potential to insert ultrashort implants avoids additional surgical procedures and its inherent complications. The last European Association of Dental Implantologists consensus in 2016 defined ultrashort implants and standard\u2010length dental implants as &lt;6 and &gt;8\u2009mm, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The present study aimed to investigate whether single standing ultrashort dental implants (US) could provide a viable therapeutic alternative to osteotome mediated sinus floor elevation in combination with standard\u2010length dental implants (SL) 10\u2009mm in posterior maxillary rehabilitation with reduced bone height.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>The study was conducted as a prospective parallel group controlled clinical trial with a 12\u2009month follow\u2010up, where 48 implants were randomized into two groups; US\u2010group (5.5\u2009mm) and SL\u2010group (10\u2009mm) implants placed with osteotome\u2010mediated sinus floor elevation. Crestal bone loss (CBL) was defined as the study's primary outcome, while implant survival, buccal bone thickness, implant stability, probing depth, gingival recession, and adverse effects were assessed as secondary outcomes.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Mesial CBL was 1.13\u2009\u00b1\u20090.52\u2009mm in SL\u2010 and 0.72\u2009\u00b1\u20090.52\u2009mm in US\u2010group (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.021), while distal CBL was 1.44\u2009\u00b1\u20090.72\u2009mm in SL\u2010 and 0.91\u2009\u00b1\u20090.69\u2009mm in US\u2010group at 12\u2009months (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.0179). Regarding implant stability, probing depth, and gingival recession there was no statistically significant difference between the two groups. Regarding implants' survival, three implants were lost in the US\u2010while only one implant was lost in the SL\u2010group (<jats:italic>P<\/jats:italic>\u00a0=\u00a0.6085; Fisher's exact test). Nevertheless, the ultrashort implants were associated with a tripling of the failure rate and uncertainty where the true failure rate is uncertain (relative risk 3.0; confidence interval 0.3\u201026.8).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Within the current trial's limitations, US\u2010appear appear promising as they are associated less postoperative discomfort, minimal invasiveness and less CBL. However, larger sample size is required to determine whether the ultrashort have an acceptable survival rate.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cid.12995","type":"journal-article","created":{"date-parts":[[2021,6,9]],"date-time":"2021-06-09T08:21:03Z","timestamp":1623226863000},"page":"520-529","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":22,"title":["Ultra\u2010short versus standard\u2010length dental implants in conjunction with osteotome\u2010mediated sinus floor elevation: A randomized controlled clinical trial"],"prefix":"10.1111","volume":"23","author":[{"given":"Mostafa","family":"Magdy","sequence":"first","affiliation":[{"name":"Faculty of Dentistry, Department of Oral Medicine and Periodontology Cairo University  Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mennatalla A.","family":"Abdelkader","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, Department of Oral Medicine and Periodontology Cairo University  Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sobhy","family":"Alloush","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, Department of Oral Medicine and Periodontology Cairo University  Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karim M.","family":"Fawzy El\u2010Sayed","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, Department of Oral Medicine and Periodontology Cairo University  Cairo Egypt"},{"name":"Clinic for Conservative Dentistry and Periodontology Christian Albrechts\u2010Universit\u00e4t zu  Kiel Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alaa A.","family":"Nawwar","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, Department of Oral Medicine and Periodontology Cairo University  Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mona","family":"Shoeib","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, Department of Oral Medicine and Periodontology Cairo University  Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9101-4851","authenticated-orcid":false,"given":"Hani","family":"ElNahass","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry, Department of Oral Medicine and Periodontology Cairo University  Cairo Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2021,6,8]]},"reference":[{"key":"e_1_2_11_2_1","unstructured":"AghalooTL MoyPK.Are the most successful in furnishing bony support for implant placement?2007:49\u201373."},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.joen.2014.06.022"},{"issue":"2","key":"e_1_2_11_4_1","first-page":"152","article-title":"A new 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