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Longevity and marginal bone loss of narrow-diameter implants supporting single crowns: A systematic review

Author

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  • Lucas Henrique Telles
  • Fernando Freitas Portella
  • Elken Gomes Rivaldo

Abstract

Purpose: To compare the longevity and marginal bone loss of narrow-diameter (≤3.3-mm) versus standard-diameter implants supporting single crowns. Material and methods: The MEDLINE (via PubMed), Scopus, and SciELO databases were searched for relevant publications. In addition, the scientific references provided by each of the implant companies that appeared in the search were reviewed. Intervention studies comparing longevity and bone loss between narrow-diameter and standard-diameter implants were included. Results: The search was limited to in vivo studies in humans. The query returned 1931 results, of which 4 met the inclusion criteria. The implant success rate ranged from 93.8% to 100% over a maximum follow-up of 3 years, with no difference between narrow- and standard-diameter implants. Meta-analysis of all included studies showed greater bone loss in narrow-diameter implants as compared with standard ones; however, when analysis was restricted to randomized trials, no such difference was present. Conclusion: The meta-analysis showed no difference in longevity between narrow implants and standard implants when supporting single crowns. However, narrow-diameter implants may be associated with greater marginal bone loss. These findings should be regarded cautiously due to the short follow-up duration and methodological heterogeneity of the primary studies.

Suggested Citation

  • Lucas Henrique Telles & Fernando Freitas Portella & Elken Gomes Rivaldo, 2019. "Longevity and marginal bone loss of narrow-diameter implants supporting single crowns: A systematic review," PLOS ONE, Public Library of Science, vol. 14(11), pages 1-12, November.
    • Handle: RePEc:plo:pone00:0225046
    DOI: 10.1371/journal.pone.0225046
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    Cited by:

    1. Giorgio Lombardo & Annarita Signoriello & Mauro Marincola & Pier Francesco Nocini, 2020. "Assessment of Peri-Implant Soft Tissues Conditions around Short and Ultra-Short Implant-Supported Single Crowns: A 3-Year Retrospective Study on Periodontally Healthy Patients and Patients with a Hist," IJERPH, MDPI, vol. 17(24), pages 1-20, December.

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