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Volume 24 , Issue 4
July/August 2011

Pages 328331

Mandibular Two-Implant Overdentures: Three-Year Prosthodontic Maintenance Using the Locator Attachment System

Andrew Mackie, BDS, MFGDP, DClinDent, MRACDS/Karl Lyons, BDS, MDS, FRACDS/W. Murray Thomson, BSc, BDS, MA, MComDent, PhD/Alan G.T. Payne, BDS, MDent, DDSc, FCD

PMID: 21716970

Limited clinical research identifies prosthodontic maintenance requirements of mandibular overdentures using the Locator attachment system. Sixty-five edentulous participants received complete maxillary dentures opposing mandibular two-implant overdentures with either Locator nylon (n = 21), Southern plastic (n = 24), or Straumann gold (n = 20) matrices. Prosthodontic maintenance was recorded prospectively for 3 years using defined categories. Over the 3-year period, a mean 3.52 4.8, 2.08 1.9, and 5.5 4.2 maintenance events occurred for Locator, Southern, and Straumann participants, respectively. Prosthodontic success rates of 90% in the Locator nylon group, 88% in the Southern plastic group, and 75% in the Straumann gold group were achieved. Int J Prosthodont 2011;24:328331.

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