ArticleInternational dental journal2026
Institutional Research Stratification in Global Dental Schools: A 10-Year Bibliometric Comparison Across QS Ranking Tiers.
Article in International dental journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo compare the research performance and publishing practices of the Top 50 and Next 50 dental schools ranked by the QS World University Rankings by Subject: Dentistry, and to identify institution‑level bibliometric characteristics associated with higher ranking performance.
methodsQS Dentistry subject ranking data (2023-2025) were used to identify 100 dental schools, stratified into Top 50 and Next 50 groups based on multi‑year ranking stability. Institution‑level bibliometric indicators for 2016-2025 were retrieved from SciVal, using Dentistry (ASJC) as the subject filter to define the literature set. Twenty indicators capturing research productivity, citation impact, collaboration patterns, policy influence and journal quartile distribution were analysed. Group comparisons used Welch's t‑tests for individual indicators and χ
resultsAcross 2016-2025, the Top 50 schools outperformed the Next 50 in 10 indicators, including scholarly output, citation count, citations per publication, policy‑document citations and multiple collaboration‑impact metrics (all FDR‑adjusted P < .05). The Top 50 schools published a significantly higher proportion of their output in Q1 journals (58.0% versus 52.6%) and engaged more frequently in international collaboration (47.0% versus 44.3%). Correlation analysis showed that citations per publication positively correlated with international collaboration, Q1 publishing and top‑percentile citation indicators. Exploratory analyses showed that the ratio of scholarly output in Q1 journals declined stepwise from the Top 10 to ranks 12-20, 21-50 and 51-100.
conclusionTop‑ranked dental schools are distinguished by greater publication volume, higher citation impact, stronger international collaboration and more frequent publishing in Q1 dental journals. These research findings offer directions for dental schools aiming to enhance their research performance and competitiveness within the QS ranking framework.
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