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Accessibility to the knowledge on anatomical variations from dentomaxillofacial CBCT

100%
Olszewski R., Hebda A.
Nemesis. Negative Effects in Medical Sciences Oral and Maxillofacial Surgery
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2020
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vol. 10
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issue 1
1-19
EN
Objective: to investigate the accessibility of open access article on anatomical variations described on cone beam computed tomography (CBCT) using PubMed database. We wanted to investigate how many journals are sharing articles without pay-wall and how many are sharing articles without author publication charges. Material and methods: a search equation was designed with exclusion criteria limiting the search in PubMed to articles published in English and French. The search was performed by one observer. We had found 2228 articles; among them 709 were accessible as ‘full text’. After applying exclusion criteria and after full text reading only 50 articles remained for the review. Results: the 50 selected articles shared 306 annotated (visual marking, explanation like arrows) and 432 not annotated figures with the public. The 76% of articles were single studies on one specific topic. The main topic was endodontics with 22 articles. 28 journals from all continents participated in the effort of sharing of figures on anatomical variations from CBCT. However, only 2 journals were completely free of charges for authors and readers. Conclusions: we have found only 15 annotated and 3 not annotated figures in 2 articles published in 2 different open access journals (without reader pay-wall and without author publication charges). Sharing the knowledge on anatomical variations from dentomaxillofacial CBCT represents an exception in dental literature.  
2
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Quality assessment of instructions for authors in dental, oral and maxillofacial journals

81%
Hebda A., Odri G. A., Olszewski R.
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issue 1
18-18
EN
Objective: to develop and test inter-observer reproducibility of instructions for authors quality rating (IAQR) tool measuring the quality of instructions for authors at journal level for a possible improvement of editorial guidelines.Material and methods: instructions for authors of 75 dental and maxillofacial surgery journals were assessed by two independent observers using assessment tool inspired from AGREE with 16 questions and 1 to 4 points scale per answer. Two observers evaluated the instructions of authors independently and blind to impact factor of a given journal. Scores obtained from our tool were compared with “journal impact factor 2013”. Results: IAQR presented with an excellent interobserver reproducibility (κ= 0.81) despite a difference in data distribution between observers. There existed a weak positive correlation between IAQR and “journal impact factor 2013”. Conclusions: The IAQR is a reproducible quality assessment tool at the journal level. The IAQR assess the quality of instruction for authors and it is a goodstarting point for possible improvements of the instructions for authors, especially when it comes to their completeness. Nemesis relevance: 28% of dental and maxillofacial journals might revise their instructions for authors to provide more up-to-date version.
3
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Contribution of dental private practitioners to publications on anatomical variations using cone beam computed tomography

71%
Hebda A., Theys S., de Roissart J., Perez E., Olszewski R.
Nemesis. Negative Effects in Medical Sciences Oral and Maxillofacial Surgery
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2020
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vol. 14
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issue 1
1-54
EN
Objective: To investigate the participation of citizens-dental private practitioner in scientific articles about anatomical variations on dentomaxillofacial CBCT. Our null hypothesis was that private practice practitioners are not involved in publications on anatomical variations using cone beam computed tomography. Material and methods: This study was performed from home without access to our university library. Only PubMed database was used to perform our study. We found 384 articles published among 1830 articles corresponding to our inclusion/exclusion criteria. For each selected article we searched for affiliation of all of the authors (university, private dental practice, students, other). We applied a co-creation approach to involve colleagues from private practice in analyzing results of this study. Results: A large majority of authors have university affiliation (96.5%). Only 3% of authors come from private practice. Most of articles belong to the group of 7 emergent economies (E7), and from Asia. 47.9% of 96 journals published only one article on anatomical variations discovered on CBCT. The higher number of articles (18.75%) were published by journals related to endodontics. The 84% of articles were dispersed among a vast span of general and specific dental, and maxillofacial journals. The 68.4% of articles on variations in CBCT were available in closed access and 31.6% of articles were available in open access. Only 6.7% of articles were published in open access without author publication charges (APC). The 31.6% of authors with university affiliation choose open access for their article. 7.8% of authors from private practice were involved in publishing in closed access journals and 2.34% in open access journals. Only 3 articles (0.78%) were published by authors affiliated to private practice without involvement of university authors. 2.6% of articles involved students as co-authors. Authors with other affiliation were involved only in one closed access publication. For the step of co-creation none of 183 private practitioners, and 3/33 (9%) university-affiliated members of Nemesis Facebook group actively participated in analyzing the results of this study. Conclusions: the null hypothesis was accepted: dentists from private practice are exceptionally involved in publications on anatomical variations using CBCT in dentomaxillofacial area.
4
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Cone beam computed tomography in the diagnosis of Stafne bone cavity: Report of seven cases and review of the open-access literature.

52%
Dive B., Aps J. K., Huljev D., Gurniak A., Klein-Dᶒbek E., Beyls H., Hebda A., Olszewski R.
Nemesis. Negative Effects in Medical Sciences Oral and Maxillofacial Surgery
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2021
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vol. 18
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issue 1
1-20
PL
Defekt Stafnego (Stafne's bone cavity - SBC) jest rzadko spotykany w radiografii pantomograficznej i stożkowej tomografii komputerowej. Dokonaliśmy systematycznego przeglądu literatury otwartego dostępu PubMed i DOAJ. Zaproponowaliśmy również nową metodologię polegającą na współpracy z prywatnymi praktykami, zastosowanie metody partycypacyjnego podejścia naukowego i praktyki otwartej nauki oraz wykorzystanie narzędzia mediów społecznościowych do uzyskania i opisania siedmiu różnych przypadków SBC. Proponujemy nową tabelę macierzową do klasyfikacji anatomicznych typów SBC już opisanych i tych, które jeszcze nie zostały opisane w ogólnodostępnej literaturze.
EN
Stafne bone cavity (SBC) is a rare entity to find on panoramic radiography and on cone beam computed tomography. We reviewed in a systematic way the open-access literature from PubMed and DOAJ. We also proposed a new methodology consisting of collaboration with private practitioners, application of participative science approach, and open science practices, and using social media tool to obtain and describe seven different cases of SBC. We finally propose a new matrix table for classification of anatomical types of SBC already described and those yet to be described in open-access literature.
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