10-year survival and success rates of 511 titanium implants with a sandblasted and acid-etched surface: a retrospective study in 303 partially edentulous patients

Clin Implant Dent Relat Res. 2012 Dec;14(6):839-51. doi: 10.1111/j.1708-8208.2012.00456.x.

Abstract

Purpose: This retrospective study assessed the 10-year outcomes of titanium implants with a sandblasted and acid-etched (SLA) surface in a large cohort of partially edentulous patients.

Materials and methods: Records of patients treated with SLA implants between May 1997 and January 2001 were screened. Eligible patients were contacted and invited to undergo a clinical and radiologic examination. Each implant was classified according to strict success criteria.

Results: Three hundred three patients with 511 SLA implants were available for the examination. The mean age of the patients at implant surgery was 48 years. Over the 10-year period, no implant fracture was noted, whereas six implants (1.2%) were lost. Two implants (0.4%) showed signs of suppuration at the 10-year examination, whereas seven implants had a history of peri-implantitis (1.4%) during the 10-year period, but presented with healthy peri-implant soft tissues at examination. The remaining 496 implants fulfilled the success criteria. The mean Plaque Index was 0.65 (±0.64), the mean Sulcus Bleeding Index 1.32 (±0.57), the mean Probing Depth 3.27 mm (±1.06), and the mean distance from the implant shoulder to the mucosal margin value -0.42 mm (±1.27). The radiologic mean distance from the implant shoulder to the first bone-to-implant contact was 3.32 mm (±0.73).

Conclusion: The present retrospective analysis resulted in a 10-year implant survival rate of 98.8% and a success rate of 97.0%. In addition, the prevalence of peri-implantitis in this large cohort of orally healthy patients was low with 1.8% during the 10-year period.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Acid Etching, Dental
  • Alveolar Bone Loss / diagnosis
  • Dental Implantation, Endosseous*
  • Dental Implants*
  • Dental Plaque Index
  • Dental Prosthesis Design
  • Dental Restoration Failure*
  • Female
  • Humans
  • Jaw, Edentulous, Partially / rehabilitation
  • Male
  • Middle Aged
  • Patient Dropouts / statistics & numerical data
  • Periodontal Index
  • Retrospective Studies
  • Surface Properties
  • Titanium

Substances

  • Dental Implants
  • Titanium