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Citation classics in periodontology: a controlled study.

Michele Nieri1, Daniele Saletta, Luisa Guidi

  • 1Department of Periodontology, School of Dentistry, University of Florence, Florence, Italy.

Journal of Clinical Periodontology
|March 24, 2007
PubMed
Summary

Highly cited periodontal articles (Classics) were longer, had more authors, and larger sample sizes than less-cited articles. However, these influential studies were often not randomized or controlled.

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Area of Science:

  • Periodontology
  • Bibliometrics

Background:

  • Identifying highly influential research is crucial for understanding scientific progress in Periodontology.
  • Citation analysis provides a quantitative method to assess research impact.

Purpose of the Study:

  • To identify the most cited articles in Periodontology published between 1990 and 2005.
  • To compare characteristics of highly cited articles (Classics) with less-cited articles.

Main Methods:

  • A systematic search was conducted across four leading international periodontal journals.
  • Highly cited articles (≥100 citations) were identified using the Science Citation Index.
  • A control group of less-cited articles was randomly selected for comparison.

Main Results:

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  • Fifty-five highly cited articles and 55 control articles were identified.
  • Highly cited articles were longer, featured more images, had more authors, and included more self-references.
  • Classics often focused on etiopathogenesis and prognosis, with larger sample sizes but were less frequently controlled or randomized.

Conclusions:

  • Highly cited articles in Periodontology serve an important educational role.
  • Many influential studies in the field are observational rather than controlled or randomized.