{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T22:43:16Z","timestamp":1791931396432,"version":"4.3.4"},"reference-count":41,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2023,7,10]],"date-time":"2023-07-10T00:00:00Z","timestamp":1688947200000},"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":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2023,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The aim of this systematic review was to compare treatment outcomes in terms of implant survival rate, marginal bone loss, and patient\u2010reported outcome measures (PROMs) between narrow\u2010diameter implants and regular\u2010diameter implants (RDIs) for mandibular implant overdentures (MIOs).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This study was based on the methodology adapted as per Cochrane. Medline, Embase, the Cochrane Central Register of Controlled Trials, Web of Science, and Scopus were searched for pertinent studies published by July 22, 2022. Outcome parameters included in this meta\u2010analysis were implant survival rate, marginal bone loss, visual analogue scale score for patient satisfaction, and value of oral health impact profile.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 782 non\u2010duplicate articles and 83 clinical study registrations were identified from database and hand searches, of which 26 were eligible for full\u2010text searches. Finally, 12 publications reporting on 8 independent studies were included in this review. In the meta\u2010analysis, implant survival rate and marginal bone loss did not significantly differ between narrow\u2010diameter implants and RDIs. Regarding RDIs, narrow\u2010diameter implants were associated with significantly better outcomes in general patient satisfaction and oral health\u2010related quality of life than RDIs for mandibular overdentures.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Narrow\u2010diameter implants have competitive treatment outcomes compared to RDIs in terms of implant survival rate, marginal bone loss, and PROMs. [Correction added on July 21, 2023, after first online publication: The abbreviation RDIs was changed to PROMs in the preceding sentence.] Thus, narrow\u2010diameter implants might be an alternative treatment option for MIOs in situations with limited alveolar bone 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