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Table 1 Characteristics of included randomized clinical trials (N = 84)

From: Clinical evaluation of marketed orthodontic products: are researchers behind the times? A meta-epidemiological study

  N %
Journal title
American Journal of Dentofacial Orthopedics (AJO-DO) 20 23.8
Angle Orthodontist (AO) 9 10.7
Australian Orthodontic Journal (AOJ) 2 2.4
Brazilian Oral Research (BOR) 1 1.2
Clinical Oral Investigations (CIO) 2 2.4
European Journal of Orthodontics (EJO) 12 14.3
European Journal of Oral Sciences (EJOS) 1 1.2
European Journal of Paedatric Dentistry (EJPD) 1 1.2
Journal of American Dental Association (JADA) 1 1.2
The Journal of Contemporary Dental Practice (JCDP) 1 1.2
Journal of Cranio-Maxillo Facial Surgery (JCMFS) 1 1.2
Journal of Clinical Periodontology 1 1.2
The Journal of Clinical Pediatric Dentistry 1 1.2
Journal of Dental Research 4 4.8
Journal of Orthodontics 9 10.6
Journal of Oral and maxillofacial Surgery 2 2.4
Journal of Orofacial Orthopedics 1 1.2
Lasers in Medical Science 2 2.4
Orthodontics and Craniofacial Research 5 5.9
Pediatric Dentistry 1 1.2
Progress in Orthodontics 5 5.9
PLoS ONE 1 1.2
Photomedicine and Laser Surgery 1 1.2
Continent
 Europe 41 48.8
 America 15 17.9
 Non-European or American 28 33.3
Number of authors
 1–3 26 30.95
 4–6 41 48.80
 >7 17 20.25