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. 2016 Jun;13(3):157-167.

PubMed-Indexed Dental Publications from Iran: A Scientometric Study

Saeed Asgary  1 , Sedigheh Sabbagh  2 , Alireza Sarraf Shirazi  3 , Maryam Ahmadyar  4 , Arash Shahravan  5 , Mohammad Sadegh Ahmad Akhoundi  6
Affiliations

PubMed-Indexed Dental Publications from Iran: A Scientometric Study

Saeed Asgary et al. J Dent (Tehran). 2016 Jun.

Abstract

Objectives: Scientometric methods and the resulting citations have been applied to investigate the scientific performance of a nation. The present study was designed to collect the statistical information of dental articles by Iranian authors published in PubMed.

Materials and methods: We searched the PubMed database for dental articles of Iranian authors until June 31, 2015. All abstracts were manually reviewed in order to exclude false retrievals. The number of articles per dental subspecialties, distribution of research designs, Scopus/Google Scholar citation of each article, number of authors and affiliation of the first/corresponding author were extracted and transferred to Microsoft Excel. The data were further analyzed to illustrate the related scientometric indicators.

Results: A total of 3,835 articles were retrieved according to the selection criteria. The number of PubMed-indexed publications between 2008 and 2015 showed a seven-fold increase. The majority of articles were written by four authors (24.56%). Systematic reviews and clinical trials constituted 9.20% of all publications. The number and percentage of articles with ≥4 citations from Google Scholar (n=2024; 52.78%) were higher than those from Scopus (n=1015; 26.47%). According to affiliated departments of the first authors, the top three dental subspecialties with the highest number of publications belonged to endodontics (19.82%), orthodontics (11.13%) and oral and maxillofacial surgery (10.33%). Moreover, the majority of articles originated from Shahid Beheshti- (14.47%), Tehran- (13.72%) and Mashhad- (12.28%) University of Medical Sciences.

Conclusions: Analysis of PubMed-indexed dental publications originating from Iran revealed a growing trend in the recent years.

Keywords: Bibliometrics; Iran; Publications.

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Figures

Fig. 1:
Fig. 1:
(A) Distribution of articles according to related scientific group (based on the affiliation of the first author); (B) Trend of publications of four scientific groups as well as the average of all scientific groups (based on the affiliation of the first author); (C) Distribution of Iranian Dental articles according to research design; (D) The number and trend of articles with zero citation in Google Scholar and Scopus
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