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Lookup NU author(s): Patrick Allen,
Professor Mark Thomason,
Dr Nick Jepson,
Professor Janice EllisORCiD
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Evidence from randomized clinical trials of implant-retained overdentures is very limited at the present time. The aim of this study was to compare implant-retained mandibular overdentures and conventional complete dentures in a randomized controlled trial (RCT). Our a priori hypothesis was that implant-retained mandibular overdentures would be significantly better than conventional complete dentures. Edentulous patients (n = 118) were randomly allocated to either an Implant Group (n = 62) or a Denture Group (n = 56). Patients completed the Oral Health Impact Profile (OHIP) and a denture satisfaction scale pre-treatment and three months post-treatment. Upon completion of treatment, both groups reported improvement (p < 0.001, Wilcoxon Ranks Sum test) in oral-health-related quality of life and denture satisfaction. There were no significant post-treatment differences between the groups, but a treatment effect may be masked by application of "intention to treat" analysis. The OHIP change scores were significantly greater for patients receiving implants than for those who refused them.
Author(s): Allen PF, Thomason JM, Jepson NJA, Nohl F, Smith DG, Ellis J
Publication type: Article
Publication status: Published
Journal: Journal of Dental Research
ISSN (print): 0022-0345
ISSN (electronic): 1544-0591
PubMed id: 16723653
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