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      Bibliometric analysis of scientific articles published in Brazilian and international orthodontic journals over a 10-year period

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          Abstract

          Objective

          This study aimed at describing the profiles of Brazilian and international studies published in orthodontic journals.

          Methods

          The sample comprised 635 articles selected from two scientific journals, i.e., Dental Press Journal of Orthodontics and American Journal of Orthodontics and Dentofacial Orthopedics, which were analyzed at three different intervals over a 10-year period (1999 - 2004 - 2009). Articles were described in terms of knowledge domain, study design, and country of origin (or state of origin for Brazilian papers).

          Results

          The most frequent study designs adopted in international studies were cohort (23.9%) and cross-sectional (21.7%) designs. Among Brazilian papers, cross-sectional studies (28.9%) and literature reviews (24.6%) showed greater frequency. The topics most often investigated were dental materials (17%) and treatment devices (12.4%) in international articles, with the latter topic being addressed by 16% of the Brazilian publications, followed by malocclusion, with 12.6%. In all cases, the most frequent countries of origin coincided with the countries of origin of each journal.

          Conclusions

          The majority of the studies analyzed featured a low level of scientific evidence. Moreover, the findings showed that journals tend to publish studies produced in their own country of origin, and that there are marked discrepancies in the number of papers published by different Brazilian states.

          Translated abstract

          Objetivo

          determinar o perfil das publicações nacionais e internacionais nos periódicos de Ortodontia.

          Métodos

          foram avaliados 635 artigos da Revista Dental Press de Ortodontia e Ortopedia Facial e American Journal of Orthodontics and Dentofacial Orthopedics, em três tempos distintos, dentro de um intervalo de 10 anos (1999, 2004 e 2009), caracterizando as áreas de conhecimento, os delineamentos utilizados e identificando países e estados brasileiros com maior produção científica.

          Resultados

          os delineamentos dos estudos internacionais mais utilizados foram estudos de coorte (23,9%) e transversal (21,7%). Em estudos nacionais, destacam-se os delineamentos transversais (28,9%) e revisão de literatura (24,6%). Nas publicações internacionais, as categorias temáticas mais pesquisadas foram materiais dentários (17%), além de dispositivos de tratamento (12,4%); essa mesma categoria esteve presente em 16% das publicações nacionais, e a má oclusão dentária em 12,6%. A nacionalidade das publicações mais observada foi a do próprio país de origem do periódico.

          Conclusões

          a maioria dos artigos publicados refere-se a estudos de menor potencial para estabelecer evidências científicas. Além disso, a situação detectada ilustra a propensão das revistas publicarem os artigos produzidos dentro de seu país de origem, bem como as disparidades entre os estados do Brasil quanto ao número de publicações.

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          Most cited references61

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          OECD Science, Technology and Industry Working Papers 1997/01. Bibliometric Indicators and Analysis of Research Systems

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            An assessment of quality characteristics of randomised control trials published in dental journals.

            The purpose of this study was to investigate the quality of reporting of randomised clinical trials (RCTs) published in dental specialty journals. The journals possessing the highest impact factor (2008 data) in the six major dental specialties were included in the study. The contents of the 24 most recent issues of each journal were hand-searched and research articles identified as randomised controlled trials (RCTs) were selected. Quality evaluation was performed using the modified Consolidated Standards of Reporting Trials (CONSORT) statement checklist. The data were analysed using descriptive statistics followed by univariate and multivariate examination of statistical associations (alpha=0.05). Ninety-five RCTs were identified with generally suboptimal scores on quality reporting on key CONSORT areas. Significant differences were found among journals with the Journal of Clinical Periodontology achieving the highest score, followed by the American Journal of Orthodontics and Dentofacial Orthopedics. There was a positive association between quality score and number of authors, involvement of statistician/epidemiologist, and multicentre trials. The quality scores of RCTs in major dental journals are considered suboptimal in key CONSORT areas. This receives critical importance considering that improved quality of RCTs is a fundamental prerequisite for improved dental care. Copyright 2010 Elsevier Ltd. All rights reserved.
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              Bibliometric Indicators and Analysis of Research Systems

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                Author and article information

                Journal
                Dental Press J Orthod
                Dental Press J Orthod
                Dental Press Journal of Orthodontics
                Dental Press International
                2176-9451
                2177-6709
                Mar-Apr 2014
                Mar-Apr 2014
                : 19
                : 2
                : 56-65
                Affiliations
                [1 ] Professor, Specialization course in Orthodontics, FUNORTE
                [2 ] Doctorate student in Orthodontics, Lutheran University of Brazil (ULBRA)
                [3 ] MSc in Oral and Maxillofacial Surgery and Traumatology, ULBRA
                [4 ] Professor, Doctorate and Master's program in Dentistry, ULBRA
                Author notes
                Contact address: Neudí Antonio Primo, Rua Barão do Rio Branco, 430 - E - Sala 18 - Chapecó/SC - Brazil, CEP: 89.802-100 E-mail: neudiprimo@ 123456yahoo.com.br
                Article
                10.1590/2176-9451.19.2.056-065.oar
                4296603
                24945515
                44658815-c3bb-4f46-9518-727787feb3c7
                © 2014 Dental Press Journal of Orthodontics

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 19 May 2012
                : 17 August 2012
                Categories
                Original Article

                bibliometrics,dental research,orthodontics,study characteristics

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