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Reports of uncontrolled clinical trials for directly placed restorations in vital teeth

Overview of attention for article published in Brazilian Oral Research, July 2017
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Title
Reports of uncontrolled clinical trials for directly placed restorations in vital teeth
Published in
Brazilian Oral Research, July 2017
DOI 10.1590/1807-3107bor-2017.vol31.0048
Pubmed ID
Authors

Steffen Mickenautsch, Veerasamy Yengopal

Abstract

Uncontrolled trials are criticized as unreliable. This study aimed to establish how the number of published reports from uncontrolled clinical trials compares to that of controlled trials for directly placed restorations in vital teeth and whether their annual number is increasing, stable or decreasing. PubMed was searched and suitable citations of uncontrolled and controlled trial reports published between 1990-2016 were included. Reference check and hand searching were conducted. The median annual report number with 25 and 75% percentile was calculated for both types of trials. 695 reports were found. The median number of reports per year was 4 (3-7) and 22 (15-26) from uncontrolled and controlled trials, respectively. A statistically significant decreasing ratio of uncontrolled to controlled trial reports was observed (p = 0.01) by linear regression analysis. The number of reports of uncontrolled clinical trials listed in PubMed over the last 27 years appears at least five times smaller than that of controlled clinical trials and its number in relation to that of controlled trials seems to decrease over time.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 17 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 17 100%

Demographic breakdown

Readers by professional status Count As %
Other 2 12%
Researcher 2 12%
Professor > Associate Professor 2 12%
Student > Ph. D. Student 1 6%
Librarian 1 6%
Other 1 6%
Unknown 8 47%
Readers by discipline Count As %
Medicine and Dentistry 4 24%
Social Sciences 2 12%
Materials Science 1 6%
Nursing and Health Professions 1 6%
Unknown 9 53%