Randomized study on the effect of single-implant versus two-implant retained overdentures on implant loss and muscle activity: a 12-month follow-up report.

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  • Additional Information
    • Source:
      Publisher: Churchill Livingstone Country of Publication: Denmark NLM ID: 8605826 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1399-0020 (Electronic) Linking ISSN: 09015027 NLM ISO Abbreviation: Int J Oral Maxillofac Surg Subsets: MEDLINE
    • Publication Information:
      Publication: Copenhagen : Churchill Livingstone
      Original Publication: Copenhagen : Munksgaard, c1986-
    • Subject Terms:
      Dental Prosthesis, Implant-Supported* ; Dental Restoration Failure* ; Denture, Complete, Lower* ; Denture, Overlay*; Facial Muscles/*physiopathology ; Jaw, Edentulous/*rehabilitation; Dental Implantation, Endosseous/methods ; Denture Retention ; Electromyography ; Female ; Follow-Up Studies ; Humans ; Male ; Middle Aged ; Risk Factors ; Treatment Outcome
    • Abstract:
      The objective was to evaluate and compare single- and two-implant retained overdentures for the rehabilitation of the edentulous mandible. Fifty-six edentulous subjects were eligible for inclusion. Using a random sampling system, a single implant or two implants were placed in the mandible. After 3 months, locator attachments were connected to the implants and the denture delivered with the retentive components incorporated in the denture base. Implant failure and muscle activity were evaluated at the 3-, 6-, and 12-month follow-up examinations. The study sample comprised 56 patients (32 male, 24 female), with a mean age of 58.2 years. A total of 84 implants were placed (28 in the single-implant group and 56 in the two-implant group). All patients completed the 12 months of follow-up. No significant differences were found between subjects in the two groups with respect to implant failure. With regard to improvements in muscle activity, the two-implant group showed statistically significant but perhaps not clinically important differences. Single-implant mandibular overdentures may be suggested as an alternative treatment modality for the rehabilitation of edentulous patients who cannot afford the cost of a two-implant overdenture.
      (Copyright © 2017 International Association of Oral and Maxillofacial Surgeons. Published by Elsevier Ltd. All rights reserved.)
    • Contributed Indexing:
      Keywords: dental implants; muscle activity; overdentures; single-implant overdenture
    • Publication Date:
      Date Created: 20170227 Date Completed: 20180410 Latest Revision: 20180410
    • Publication Date:
      20231215
    • Accession Number:
      10.1016/j.ijom.2017.02.001
    • Accession Number:
      28237542