Influence of thin mucosal tissues on crestal bone stability around implants with platform switching: A 1-year pilot study

Tomas Linkevicius, Peteris Apse, Simonas Grybauskas, Algirdas Puisys

Research output: Contribution to journalArticlepeer-review

105 Citations (Scopus)

Abstract

Purpose: The aim of this pilot study was to determine what effect thin mucosal tissues can have on crestal bone stability around implants with platform switching. Materials and Methods: Twelve 2-piece implants, consisting of 6 implants with horizontally matching implant-abutment connection (control) and 6 implants with platform switching (test) were placed in 4 patients. The mean age of the patients was 43 years (range, 37 to 56 yrs). Mucosal tissue thickness at implant sites was measured to be 2 mm or less. Implants were restored with 5 splinted crowns and single 3-unit fixed partial denture. Intraoral radiographs were obtained and crestal bone changes were measured at implant placement and after a 1-year follow-up post-treatment. The statistical significance level was set to P less than .05. Results: Bone loss around the test implants was 1.81 ± 0.39 mm on the mesial site and 1.70 ± 0.35 mm on the distal aspect. Control implants overcame marginal bone resorption equaling 1.60 ± 0.46 mm on the mesial site and 1.76 ± 0.45 mm on distal measurement. No statistically significant difference was found between control and test implants either mesially (F[1,10] = 0.746; P = .408) or distally (F[1,10] = 0.080; P = .783). Conclusion: Within the limitations of this pilot study it can be concluded that implants with platform switching did not preserve crestal bone better in comparison with implants with traditional implantabutment connection if, at the time of implant placement, thin mucosal tissues were present.

Original languageEnglish
Pages (from-to)2272-2277
Number of pages6
JournalJournal of Oral and Maxillofacial Surgery
Volume68
Issue number9
DOIs
Publication statusPublished - Sep 2010
Externally publishedYes

Field of Science*

  • 3.2 Clinical medicine

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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