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Bergkvist, Göran; Nilner, Krister; Sahlholm, Sten; Karlsson, Ulf; Lindh, Christina

Immediate Loading of Implants in the Edentulous Maxilla: Use of an Interim Fixed Prosthesis Followed by a Permanent Fixed Prosthesis: A 32‐Month Prospective Radiological and Clinical Study

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  • Media type: E-Article
  • Title: Immediate Loading of Implants in the Edentulous Maxilla: Use of an Interim Fixed Prosthesis Followed by a Permanent Fixed Prosthesis: A 32‐Month Prospective Radiological and Clinical Study
  • Contributor: Bergkvist, Göran; Nilner, Krister; Sahlholm, Sten; Karlsson, Ulf; Lindh, Christina
  • imprint: Wiley, 2009
  • Published in: Clinical Implant Dentistry and Related Research
  • Language: English
  • DOI: 10.1111/j.1708-8208.2008.00094.x
  • ISSN: 1523-0899; 1708-8208
  • Origination:
  • Footnote:
  • Description: <jats:title>ABSTRACT</jats:title><jats:p><jats:bold>Purpose:</jats:bold> The aim of this study was to prospectively evaluate the survival rate of splinted and immediately loaded Straumann sandblasted, large‐grit, acid‐etched, solid‐screw dental implants in the edentulous maxilla after 32 months of loading.</jats:p><jats:p><jats:bold>Materials and Methods:</jats:bold> Twenty‐eight patients (mean age 63 years) with edentulous maxillae received 168 implants (six each) and an implant‐supported fixed interim prosthesis within 24 hours after surgery. After a mean healing time of 15 weeks, the patients received permanent screw‐retained prostheses. Clinical and radiological examinations were made at implant placement and after 8, 20, and 32 months of loading. All permanent prostheses were removed at the 32‐month follow‐up; implant stability was checked with a torque device, and the implant stability quotient was determined with resonance frequency analysis.</jats:p><jats:p><jats:bold>Results:</jats:bold> Mean marginal bone loss from baseline to 8 months after loading was 1.6 mm (SD 1.16; <jats:italic>p</jats:italic> = .094), from 8 to 20 months 0.41 mm (SD 0.63; <jats:italic>p</jats:italic> = .094), and from 20 to 32 months 0.08 mm (SD 0.49; <jats:italic>p</jats:italic> = .039). The 32‐month cumulative survival rate was 98.2%.</jats:p><jats:p><jats:bold>Conclusions:</jats:bold> The 32‐month survival of solid‐screw implants – immediately loaded within 24 hours after placement – was similar to survival rates reported for solid‐screw implants with conventional loading. Immediate loading and splinting of implants in the edentulous maxilla is a viable treatment alternative.</jats:p>