176 Comparison of Article Processing Fees on Open Access Journals with a 4.5-Year History of Publishing Daniel Robles Cantero a , Todd R. Schoenbaum b , Zinaida Y. Zhehulovych c , Ivan V. Nagorniak d, *, & Ievgen I. Fesenko e, * Analytics of Journals and Publishers a DDS, MSc, Clinical Director of Miguel de Cervantes European University, Co-director in Master of Periodontology and Implantology of UEMC. Private Oral Surgery Practice, Madrid, Spain b DDS, FACD, Associate Clinical Professor, UCLA Division of Constitutive & Regenerative Sciences; Director, UCLA Continuing Dental Education, University of California, Los Angeles (UCLA), CA, USA c ScD, Professor, Department of Dentistry, Institute of Postgraduate Education, Bogomolets National Medical University, Kyiv, Ukraine d Oral Surgeon, PhD, Private Dental Practice, Kyiv, Ukraine e PhD, Assistant Professor. Department of Oral & Maxillofacial Surgery, Private Higher Educational Establishment “Kyiv Medical University” * Corresponding authors: Private Dental Practice (certifcate for management system according to ISO 9001:2015 – Private entrepreneur Nagorniak I.V.), 6-G Andruschenka Street, Ofce 6, Kyiv 01135, Ukraine. Phone: +38 (067) 408 81 31 E-mail address: ivan.nagorniak@gmail.com (Ivan Nagorniak) dtjournal.org Department of Oral & Maxillofacial Surgery, Private Higher Educational Establishment “Kyiv Medical University” 7 Antona Tsedika Street, Kyiv 02000, Ukraine. E-mail: i.i.fesenko@dtjournal.org (Ievgen Fesenko) Instagram: dr_eugenfesenko E-mail: tschoenb@ucla.edu (Todd Schoenbaum) Instagram: todd_schoenbaum E-mail: drobles@clinica.uemc.es (Daniel Robles Cantero) Instagram: robles_drc E-mail: zhegulovih@gmail.com (Zinaida Zhehulovych) Paper received 14 July 2019 Accepted 26 July 2019 Available online 31 July 2019 http://dx.doi.org/10.23999/j.dtomp.2019.7.3. © 2019 OMF Publishing, LLC. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by-nc/4.0/). SUMMARY/INTRODUCTION Open access article ( synonym: open access publication) is a type of peer-reviewed article which gives a possibility to the readers to read and download it free of charge owing to paying an open access publication fee (OAPF) directly by its authors, their institutions, or funders. 1 According to Solomon and Björk`s study, who analyzed about 1,370 journals, article processing charges range from 8 to 3,900 US Dollars. 1, 2 Moreover, the official Elsevier`s page dedicated to the list of all company`s open access journals indicated that an article processing charge can reach 6,000 US Dollars excluding tax. 3 First publishing houses that supported and develop open access journals have been two new academic publishers – BioMed Central (BMC) and Public Library of Science (PLoS). 1 In 2000, they began establishing journals that rely on open access publication fee. 1 Most motivation criteria for the authors from the fields of oral and maxillofacial surgery, periodontics in choosing to what peer-reviewed journal submit their paper may be classified under three chief groups: 1) indexing and abstracting in different recognized data bases (PubMed/ Medline, 4 Scopus, Web of Science, etc.), 2) an impact metric, 5 and 3) an amount of the article processing charge. First two motivation criteria are precisely described in recent publications but the last one – open access publication fee and its amount – should be investigated more scrupulously. 4, 5 There is a great need to analyze the advantages and disadvantages of OAPF both for authors and editorial staff/publishers. This is the aim of this study in order to understand the advantages and disadvantages the payment