{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T13:58:53Z","timestamp":1788962333341,"version":"build-2803163510"},"reference-count":37,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2021,6,22]],"date-time":"2021-06-22T00:00:00Z","timestamp":1624320000000},"content-version":"vor","delay-in-days":172,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["BioMed Research International"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:p><jats:italic>Objective<\/jats:italic>. The objective of the present review is to assess the implant survival, marginal bone loss, and biomechanical features of narrow\u2010diameter implants (2.5\u20103.5\u2009mm) supporting or retaining full\u2010arch fixed or removable restorations. <jats:italic>Materials and Methods<\/jats:italic>. Three operators screened the literature (PubMed, Cochrane Library, and Google Scholar) and performed a hand search on the main journals that focus on implantology until 24 March 2019. Only articles that considered full\u2010arch restorations supported or retained by narrow\u2010diameter implants (2.5\u20103.5\u2009mm) were considered if they have a minimum of 10 patients and a mean follow\u2010up of at least 6 months. The outcome variables were survival of implants and marginal bone loss. The review was performed according to the PRISMA statements. Risk of bias assessment was evaluated. Failure rates were analyzed using random effect Poisson regression models to obtain the summary estimate of 5\u2010year survival rate and marginal bone loss. <jats:italic>Results<\/jats:italic>. A total of nine papers were finally selected, reporting a high survival rate of the implants. Eight studies focused only on the mandible while one study reported data from both mandible and maxilla. All studies reported on removable restorations; none focused on fixed rehabilitations. The estimated survival rate for 5 years of follow\u2010up was calculated to be 92.25% for the implants. The estimated marginal bone loss after 5 years was calculated to be 1.40\u2009mm. No study reported implant fractures. <jats:italic>Conclusions<\/jats:italic>. With the limitations of the present study, there is evidence that 2.5\u20103.5\u2009mm narrow\u2010diameter implants retaining a removable restoration can be a successful treatment in fully edentulous patients. No data on fixed restorations was available.<\/jats:p>","DOI":"10.1155\/2021\/5571793","type":"journal-article","created":{"date-parts":[[2021,6,22]],"date-time":"2021-06-22T22:50:27Z","timestamp":1624402227000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Use of Narrow\u2010Diameter Implants in Completely Edentulous Patients as a Prosthetic Option: A Systematic Review of the 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