Singapore Dental Journal (SDJ) aims to advance the practice of dentistry and care of patients among members of the Singapore Dental Association and dentists in the region through the dissemination of information and research findings in the field of dental science and technology. The SDJ invites original contributions in the form of research articles, reviews, case reports and other materials relating to all aspects of dentistry. Related disciplines, including dental education and the social, political and economic aspects of dental practice, that are of interest to professionals in dentistry are also welcome. The SDJ is a peer-reviewed journal and all manuscripts will be reviewed by at least two reviewers. All published opinions and statements of supposed facts belong to the author(s), and are not necessarily the views of the Editorial Staff, Board Members, the Singapore Dental Association or the Publisher.
Articles submitted should meet the recommendations of the International Committee of Medical Journal Editors, available at http://www.icmje.org/icmje-recommendations.pdf.
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This journal has an embargo period of 12 months.
Authors are requested to submit their original manuscript and figures via the online submission and editorial system for SDJ. Using this online system, authors may submit manuscripts and track their progress through the system to publication. Reviewers can download manuscripts and submit their opinions to the editor. Editors can manage the whole submission/review/revise/publish process. Please register at: http://www.evise.com/evise/faces/pages/navigation/NavController.jspx?JRNL_ACR=SDJ. Submission should be accompanied by a cover letter.
Important Information for Online Submission
• Please put text, references, tables, figures, and legends in one file, with each table and figure on a new page.
• Figures that are line drawings or photographs must also be submitted separately as high resolution picture files, in *.JPEG, *.EPS or *.TIFF format. Please ensure that files are supplied at the correct resolution: line artwork = minimum of 1000 dpi; halftone artwork = minimum of 300 dpi; combination artwork (line + tone) = minimum of 500 dpi.
• Figures will be published as received from authors.
Submitted manuscripts are considered with the understanding that they have not been published previously in print or electronic format (except in abstract or poster form) and are not under consideration by another publication or electronic medium. All experiments using animals and human subjects or human tissues must have been approved by an appropriate ethics committee/board. Any patient who can be clearly identified in the article (either in text or in photographs) must sign a consent form indicating consent to his or her being thus depicted in the article. This consent form(s) (PDF) must be submitted with the manuscript. Reviews
These should aim to provide the reader with a balanced overview of an important and topical subject in dentistry, and should be systematic, critical assessments of literature and data sources, emphasizing factors such as cause, diagnosis, prognosis, therapy, or prevention. All articles and data sources reviewed should include information about the specific type of study or analysis, population, intervention, exposure, and tests or outcomes. All articles or data sources should be selected systematically for inclusion in the review and critically evaluated. Figures, tables, algorithms and other forms of illustration should be included as appropriate. Typical length: 2000–3000 words.
These may be randomized trials, intervention studies, studies of screening and diagnostic tests, cohort studies, cost-effectiveness analyses, case-control studies, surveys with high response rates, and laboratory tests that represent new and significant contributions to dentistry.
Posters are brief reports/communications of scientific studies and normally presented during scientific meetings. Selected posters presented at Singapore Dental Association meetings and conferences may be invited for publication in the SDJ. These are normally limited to 500 words.
1. Format and Style. Text should be typed double-spaced on one side of A4 (297 × 210 mm) paper, with outer margins of 3 cm. Each section of the manuscript should begin on a new page. Authors should refer to a style guide and the preferred format should follow that of the Oxford Style Guide which is available online in pdf (see http://www.ox.ac.uk/public_affairs/services_and_resources/style_guide/index.html).
2. Language. Articles should be written in English (British English spelling) and meet the following basic criteria: the material is original, the information is important, the writing is clear (clinical or laboratory jargon is to be avoided), the study methods are appropriate, the data are valid, and the conclusions are reasonable and supported by the data.
• manuscript title
• category of paper • short running title not exceeding 50 characters
• the names (spelled out in full) of all the authors and their institutions (only 1 affiliation per author is permitted)
• corresponding author’s details (e-mail address, mailing address, telephone and fax numbers).
The first page following the title page should contain a concise English abstract of no more than 500 words and up to four relevant key words/index terms. The abstract should contain information on the background, methods, results, conclusions and clinical implications.Introduction
Manuscripts should include a clear introductory statement or purpose, and an inclusive concise review of the relevant literature leading to the main question/hypothesis posed. The introduction should close with the objective of the study.Materials and Methods
The type of study (cohort, case-controlled, cross-sectional, etc.) should be stated. The technique and scope of the experiments or observations should be described. Statements of Inclusion/exclusion and eligibility criteria used in sample selection, sample size, power of statistic, dropout rate, withdrawals, methods of randomization, collection, quality control, and blinding techniques (if any) should provide sufficient details for the study to be repeated.Results
Results must be clearly presented. Data analysis should be briefly described. Statistical analysis information should include: level of significance chosen, and type of test (parametric, non-parametric) and statistical test (t test, ANOVA, Wilcoxon-Mann-Whitney U) used. The power of statistical tests, confidence intervals, and p values should be included where relevant. If a software programme was used, please state the particular software used, version number, and the manufacturers name, city, state, and country.If a survey was carried out, submit a copy of the questionnaire. This will not be published if the manuscript is accepted for publication, but will be used by the peer reviewers in the assessment of the manuscript.
DiscussionComment on the significance of the findings and any correlation with those of other studies and elaborate why it may be so. Indicate recommendations or implications if the study suggests changes from the current practice of dentistry or understanding of the science. State limitations of the study, why and how it hampers appropriate interpretation of the outcome.
ConclusionThis should be concise and include your main findings, implications of the results, and any recommendations.
AcknowledgementsPlease include a statement identifying grants, pharmaceutical sponsorship, and other acknowledgements as appropriate.
• References must be numbered consecutively in order of appearance in the text, and listed in number order in the reference list: do not alphabetize.
• Each reference citation should be a superscript at the end of the referenced statement.
• References cited in tables or legends should be included in sequence at the point where the table or figure is first mentioned in the text.
• Abstracts should not be cited unless the abstract is the only available reference to an important concept.
• Do not cite uncompleted work or work that has not yet been accepted for publication as references.
• Abbreviations for journals should conform to those used in Index Medicus.
• References should include the complete title of the article and the last names and initials of all the authors up to 6. If there are more than 6 authors, include the last names and initials of the first 6 authors followed by “et al”.
• Always give the last page number as well. If there is only one page, state if the article is an abstract or letter.
• If you must cite information from a website, please provide the author information, article title, the website address and the date you accessed the information.
• Authors are responsible for the accuracy and completeness of their references and for correct text citation.
Examples are given below.
1. Chew MT, Sandham A. An assessment of orthodontic treatment using occlusal indices. Singapore Dent J 2001;24: 9–16.
2. Smith RN, Rawlinson A, Lath D, Elcock C, Walsh TF, Brook AH. Quantification of dental plaque on lingual tooth surfaces using image analysis: reliability and validation. J Clin Periodontol 2004;31:569–73.
3. Olszewski R, Reychler H. Limitations of orthognathic models surgery: theoretical and practical implications. Rev Stomatol Chir Maxillofac 2004;105:165–9. [In French]
1. Stevens J. Applied Multivariate Statistics for the Social Sciences, 3rd edition. New Jersey: Lawrence Erlbaum Associates, 1996.
2. Sapp JP, Eversole LR, Wysocki GP. Infections of Teeth and Bone. In: Sapp JP, Eversole LR, Wysocki GP. Contemporary Oral and Maxillofacial Pathology, 2nd edition. St Louis: Mosby, 2004:70–93.
1. Committee on Mercury Hazards in Dentistry. Code of Practice for Dental Mercury Hygiene. London: Department of Health and Social Security, 1979, publication no. DHSS 79-F-372.
Tables should be labelled in Arabic numerals and titled concisely. Number all tables in the order of their citation in the text. Tables should be typed double-spaced in as simple a form as possible. Abbreviations used in the table and not defined in the text should be defined in footnotes using these symbols (in order of appearance): *, †, ‡, §, ¶.Figures
The number of figures should be restricted to the minimum necessary to support the textual material. Patient identification should be obscured unless the patient has consented to being so depicted in the article. Include internal scale markers in photomicrographs and electron micrographs.Illustrations, graphs, charts, etc. should be drawn with black ink on white paper and should preferably be done by a professional illustrator. Arrows and other symbols must be of professional quality and of a size permitting some reduction in the final copy.
All figures must be accompanied by legends and indicate the anatomic area and/or pathologic condition shown. For photomicrographs, include the type of specimen, original magnification, and stain. All symbols and abbreviations not defined in the text should be defined in the legend.
Drug NamesUse the Recommended International Non-proprietary Name for medicinal substances, unless the specific trade name of a drug is directly relevant to the discussion.
AbbreviationsWhere a term/definition will be continually referred to, it must be written in full, followed by the subsequent abbreviation in brackets, when it first appears in the text. Thereafter, the abbreviation may be used.
Supplementary material such as applications, images and sound clips, can be published with your article to enhance it. Submitted supplementary items are published exactly as they are received (Excel or PowerPoint files will appear as such online). Please submit your material together with the article and supply a concise, descriptive caption for each supplementary file. If you wish to make changes to supplementary material during any stage of the process, please make sure to provide an updated file. Do not annotate any corrections on a previous version. Please switch off the 'Track Changes' option in Microsoft Office files as these will appear in the published version.
Submitted manuscripts are reviewed initially by the Editorial Staff/Board, whose members will determine which articles will be published based on their scientific merit, readability and interest. Manuscripts with insufficient priority for publication are rejected promptly. All other manuscripts are sent to two or more expert consultants for peer review.
Preparation for Publication
Accepted manuscripts are copyedited according to our house style and the galley proofs are returned to the corresponding author for final approval. Authors are responsible for all statements made in their work, including changes made by the copy editor and authorized by the corresponding author.
Corresponding authors will be e-mailed the PDF file of their article after publication for personal and classroom use only. Professional reprints may be ordered from the Publisher at terms based on the cost of production. A reprint order form is provided by the Publisher, together with the galley proofs.
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