{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,3]],"date-time":"2025-10-03T18:07:49Z","timestamp":1759514869339},"reference-count":45,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2012,10,17]],"date-time":"2012-10-17T00:00:00Z","timestamp":1350432000000},"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":[[2014,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Introduction<\/jats:title><jats:p>Atrophy of the alveolar bone is an irreversible multifactorial phenomenon, the rate of which varies between individuals and between the jaws. This atrophy of the alveolar ridges presents severe limitations for the oral rehabilitation of the edentulous patients and poses a clinical challenge to the prosthodontists and implant surgeons. The present research aimed to investigate whether the median\u2010palate of elderly edentulous subjects is anatomically suitable for implant placement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>A total of 32 samples were harvested from the maxillae of 16 human cadavers. One dentate male subject was included for contrast. Bone quality and quantity were analysed at two regions: the median\u2010palate and the edentulous maxillary alveolar ridge. Samples were scanned through micro\u2010<jats:styled-content style=\"fixed-case\">CT<\/jats:styled-content>, and the region of analysis (<jats:styled-content style=\"fixed-case\">ROA<\/jats:styled-content>) identified and dissected. Bone volume to tissue volume ratio (%<jats:styled-content style=\"fixed-case\">BV<\/jats:styled-content>\/<jats:styled-content style=\"fixed-case\">TV<\/jats:styled-content>), trabecular thickness (<jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>b.<jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>h), trabecular number (<jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>b.<jats:styled-content style=\"fixed-case\">N<\/jats:styled-content>), trabecular separation (<jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>b.<jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>p) and trabecular bone pattern factor (<jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>b.<jats:styled-content style=\"fixed-case\">P<\/jats:styled-content>f) were evaluated for the two regions using Skyscan<jats:styled-content style=\"fixed-case\">CTA<\/jats:styled-content>n<jats:sup>\u00ae<\/jats:sup>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The results of bone volume fraction obtained from<jats:styled-content style=\"fixed-case\">CTA<\/jats:styled-content>n<jats:sup>\u00ae<\/jats:sup>of the median\u2010palatal region show higher values than the respective premolar sites in 12 of 15 (80%) edentulous samples. However, this difference was statistically non\u2010significant (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.06). Similarly, the trabecular number for 10 of 15 samples (66.6%) from the median\u2010palate shows greater values than the respective premolar site (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.07). Trabecular thickness of 10 of 15 (66.6%) premolar samples is larger than in the median\u2010palatal region. However, these differences were also statistically non\u2010significant (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.25). Statistically significant difference (<jats:italic>P\u00a0<\/jats:italic>=<jats:italic>\u00a0<\/jats:italic>0.04) was found between the<jats:styled-content style=\"fixed-case\">T<\/jats:styled-content>b.<jats:styled-content style=\"fixed-case\">S<\/jats:styled-content>p values of the two regions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The results indicate that the anterior median\u2010palate is structurally better than their respective maxillary premolar region in elderly edentulous persons, and an implant can be placed to anchor an overdenture. The best site for a wide\u2010body implant was established to be 6\u20138\u00a0mm posterior to the incisive foramen in elderly edentulous patients.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.12050","type":"journal-article","created":{"date-parts":[[2012,10,18]],"date-time":"2012-10-18T18:33:36Z","timestamp":1350585216000},"page":"101-109","source":"Crossref","is-referenced-by-count":4,"title":["Could the median\u2010palate accommodate wide\u2010bodied implants in order to support maxillary over\u2010dentures? A radiomorphometric study of human cadavers"],"prefix":"10.1111","volume":"25","author":[{"given":"Allauddin","family":"Siddiqi","sequence":"first","affiliation":[{"name":"Oral Implantology Research Group, Faculty of Dentistry Sir John Walsh Research Institute University of Otago Dunedin New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jules A.","family":"Kieser","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry Sir John Walsh Research Institute University of Otago Dunedin New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rohana K.","family":"De Silva","sequence":"additional","affiliation":[{"name":"Department of Oral Diagnostic &amp; Surgical Sciences Faculty of Dentistry University of Otago Dunedin New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew","family":"McNaughton","sequence":"additional","affiliation":[{"name":"Department of Anatomy and Structural Biology School of Medical Sciences Otago Centre for Confocal Microscopy University of Otago Dunedin New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Warwick J.","family":"Duncan","sequence":"additional","affiliation":[{"name":"Department of Oral Sciences Faculty of Dentistry University of Otago Dunedin New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2012,10,17]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1708-8208.2006.00009.x"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1902\/jop.1979.50.4s.11"},{"key":"e_1_2_8_4_1","first-page":"117","article-title":"Comparing the efficacy of mandibular implant\u2010retained overdentures and conventional dentures among middle\u2010aged edentulous patients: satisfaction and functional assessment","volume":"16","author":"Awad M.A.","year":"2003","journal-title":"The International Journal of Prosthodontics"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajodo.2008.11.020"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1034\/j.1600-0501.2000.011006595.x"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.1002\/jbmr.141"},{"key":"e_1_2_8_8_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1741-2358.2004.00005.x"},{"key":"e_1_2_8_9_1","first-page":"413","article-title":"The McGill consensus statement on overdentures. 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