4.7 Review

Dental Research Waste in Design, Analysis, and Reporting: A Scoping Review

Journal

JOURNAL OF DENTAL RESEARCH
Volume 100, Issue 3, Pages 245-252

Publisher

SAGE PUBLICATIONS INC
DOI: 10.1177/0022034520962751

Keywords

conflict of interest; sample size; study analysis; study bias; study reporting; study registration

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The study found significant deficiencies in all areas of dental research, despite some improvements over time. Research waste is a complex issue that requires an understanding of optimal research design and execution, supported by policies including appropriate training and incentives.
Research waste is highly prevalent across biomedical investigations. We aimed to assess the evidence on the extent of research waste in dental research. We performed a scoping review of empirical evaluations of dental studies assessing the prevalence and impact of limitations in design, conduct, analysis, and reporting of research. PubMed was searched using specific terms to retrieve studies dealing with design, conduct, analysis, and reporting of studies in dentistry, with no year or language restrictions. Of the 1,807 publications identified from the search and from manual searches, 71 were included in this review. The topic and article selection was based on the expert opinion of the authors. The existing evidence suggests that, although there are improvements over time, substantial deficiencies in all areas (design, conduct, analysis, reporting) were prevalent in dental research publications. Waste in research is a multifaceted problem without a simple solution. However, an appreciation of optimal research design and execution is a prerequisite and should be underpinned by policies that include appropriate training in research methods and properly aligned incentives.

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