{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T19:22:38Z","timestamp":1790882558138,"version":"4.1.0"},"reference-count":97,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2022,1,19]],"date-time":"2022-01-19T00:00:00Z","timestamp":1642550400000},"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":[[2022,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Guided bone regeneration (GBR) utilizes a barrier membrane to allow osteogenic cells to populate a space by excluding epithelial and connective tissue cells. The purpose of this systematic review was to investigate the ratio of means (RoM) of vertical bone gained (Outcome) in vertical GBR procedures with healing complications (Intervention) and in vertical GBR procedures without healing complications (Comparison) in patients with vertically resorbed edentulous ridges that require dental implant placement (Population). A further aim was to investigate the incidence of complications after vertical GBR, and the influence of the timing of implant placement and regenerative devices on complications.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>MEDLINE (through PubMed), EMBASE, and Cochrane Central Register of Controlled Trials (CENTRAL) were searched in duplicate up to, and including, November 2020 for randomized and controlled clinical trials and prospective and retrospective case series. Outcomes included patient\u2010level and site\u2010level RoM of vertical bone gain between healing complications and uneventful healing, and incidences of complications that occurred after vertical GBR. Random\u2010effects and fixed\u2010effects meta\u2010analyses were performed where appropriate. This study was registered on PROSPERO (CRD42021226432).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>A total of 31 publications were selected for the qualitative and quantitative analyses. The RoM of vertical bone gained was 0.65 [95% CI\u00a0=\u00a00.47, 0.91] and 0.62 [95% CI\u00a0=\u00a00.45, 0.85] when membrane exposure without suppuration and abscess formation without membrane exposure occurred respectively, in comparison to uneventful healing. The overall incidence proportion of healing complications occurring at the augmented site at a site\u2010 and patient\u2010level was 11.0% [95% CI\u00a0=\u00a07.0, 15.6] and 10.8% [95% CI\u00a0=\u00a06.6, 15.7]. At a patient\u2010level, there were no significant differences between a simultaneous or staged approach, or with the regenerative device used. The site\u2010level incidence proportion of membrane exposure without suppuration, membrane exposure with suppuration, and with abscess formation without membrane exposure was 8.7% [95% CI\u00a0=\u00a04.2, 14.2], 0.7% [95% CI\u00a0=\u00a00.0, 2.9], and 0.5% [95% CI\u00a0=\u00a00.0, 1.7], respectively. The site\u2010level weighted mean incidence proportion of neurologic complications occurring at the donor site was 0.8% [95% CI\u00a0=\u00a00.0, 5.3].<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>There is a significant reduction in bone gain when healing complications occur. However, healing complications are relatively uncommon surgical complications after vertical GBR.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/cid.13057","type":"journal-article","created":{"date-parts":[[2022,1,20]],"date-time":"2022-01-20T00:24:11Z","timestamp":1642638251000},"page":"43-71","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":52,"title":["Healing complications and their detrimental effects on bone gain in vertical\u2010guided bone regeneration: A systematic review and meta\u2010analysis"],"prefix":"10.1111","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3042-3103","authenticated-orcid":false,"given":"John Rong Hao","family":"Tay","sequence":"first","affiliation":[{"name":"Department of Restorative Dentistry National Dental Centre Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7538-7866","authenticated-orcid":false,"given":"Ethan","family":"Ng","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry National Dental Centre Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaotong Jacinta","family":"Lu","sequence":"additional","affiliation":[{"name":"Discipline of Periodontics, Faculty of Dentistry National University of Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei Ming Clement","family":"Lai","sequence":"additional","affiliation":[{"name":"Faculty of Dentistry National University of Singapore Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,1,19]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034513504949"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1177\/0022034517737755"},{"key":"e_1_2_10_4_1","first-page":"49","article-title":"Which hard tissue augmentation techniques are the most successful in furnishing bony support for implant placement?","volume":"22","author":"Aghaloo TL","year":"2007","journal-title":"Int J Oral Maxillofac Implants"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijom.2012.03.016"},{"key":"e_1_2_10_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600-0501.2012.02522.x"},{"issue":"21","key":"e_1_2_10_7_1","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1111\/jcpe.13121","article-title":"Regeneration of alveolar ridge defects. 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