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Graft volumes were measured at each time point after automated image registration of consecutive CBCT scans.<\/jats:p><jats:p>The mean volume of the augmented site was 372.2 \u00b1 179.4\u2009mm<jats:sup>3<\/jats:sup>. Resorption relative to the original augmented volume was 43.7% \u00b1 19.0% after 12\u2009months.<\/jats:p><jats:p>Three-dimensional graft resorption could be precisely depicted by the use of automated image registration for CBCT data over a period of 12\u2009months and demonstrated extensive volumetric changes of bone grafts taken from the ascending ramus of the mandible.<\/jats:p><jats:p>Graft resorption and continuous bony remodeling of the grafted site before and after implant insertion have to be carefully considered by the clinician.<\/jats:p>","DOI":"10.1186\/s40729-020-00285-9","type":"journal-article","created":{"date-parts":[[2021,1,21]],"date-time":"2021-01-21T00:07:57Z","timestamp":1611187677000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Resorption of retromolar bone grafts after alveolar ridge augmentation\u2014volumetric changes after 12\u2009months assessed by CBCT analysis"],"prefix":"10.1186","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4764-9563","authenticated-orcid":false,"given":"Andres","family":"Stricker","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Reinhilde","family":"Jacobs","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederik","family":"Maes","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tabea","family":"Fluegge","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirstin","family":"Vach","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jonathan","family":"Fleiner","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,1,21]]},"reference":[{"key":"285_CR1","doi-asserted-by":"publisher","first-page":"103","DOI":"10.1034\/j.1600-0501.2002.130113.x","volume":"13","author":"L Cordaro","year":"2002","unstructured":"Cordaro L, Sarzi Amad\u00e9 D, Cordaro M. 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Study approval was obtained from the Ethical Committee of the University Medical Center Freiburg, Germany (138\/14).","order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Informed consent was obtained from all individual participants included in the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"Andres Stricker declares that he has no conflict of interest. Reinhilde Jacobs declares that he has no conflict of interest. Frederik Maes declares that he has no conflict of interest. Tabea Fluegge declares that he has no conflict of interest. Kirstin Vach declares that she has no conflict of interest. Jonathan Fleiner declares that he has no conflict of interest.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"7"}}