| international imprint Imprint Publisher/President/CEO Torsten R. Oemus t.oemus@dental-tribune.com Managing Editor Magda Wojtkiewicz m.wojtkiewicz@dental-tribune.com Designer Franziska Schmid Copy Editors Sabrina Raaff Ann-Katrin Paulick Editorial Board Fernando Goldberg, Argentina Markus Haapasalo, Canada Clemens Bargholz, Germany Michael Baumann, Germany Benjamin Briseno, Germany Heike Steffen, Germany Gary Cheung, Hong Kong Asgeir Sigurdsson, Iceland Adam Stabholz, Israel Jorge Vera, Mexico Unni Endal, Norway Esteban Brau, Spain José Pumarola, Spain Kishor Gulabivala, United Kingdom William P. Saunders, United Kingdom Fred Barnett, USA L. Stephan Buchanan, USA James Gutmann, USA Ben Johnson, USA Kenneth Koch, USA Sergio Kuttler, USA John Nusstein, USA Ove Peters, USA International Administration Chief Financial Officer Dan Wunderlich Director of Content Claudia Duschek Clinical Editors Nathalie Schüller Magda Wojtkiewicz Editors Monique Mehler Brendan Day Kasper Mussche Franziska Beier Business Development & Marketing Manager Alyson Buchenau Sales & Production Support Puja Daya Madleen Zoch Accounting Karen Hamatschek Manuela Hunger Media Sales Managers Melissa Brown (International) Hélène Carpentier (Western Europe) Matthias Diessner (Key Accounts) Weridiana Mageswki (Latin America) Barbora Solarova (Eastern Europe) Peter Witteczek (Asia Pacific) Executive Producer Gernot Meyer Advertising Disposition Marius Mezger International Office/Headquarters Dental Tribune International Holbeinstr. 29, 04229 Leipzig, Germany Tel.: +49 341 48474-302 Fax: +49 341 48474-173 info@dental-tribune.com www.dental-tribune.com Printed by Löhnert Druck Handelsstraße 12 04420 Markranstädt, Germany Copyright Regulations roots international magazine of endodontics is published by Dental Tribune International (DTI) and appears in 2018 with four issues. The magazine and all articles and illustrations therein are protected by copyright. Any utilisation without the prior consent of editor and publisher is inadmissible and liable to prosecution. This applies in particular to duplicate copies, translations, microfilms, and storage and processing in electronic systems. Reproductions, including extracts, may only be made with the permission of the publisher. Given no statement to the contrary, any submissions to the editorial department are understood to be in agreement with a full or partial publishing of said submission. The editorial department reserves the right to check all submitted articles for formal errors and factual authority, and to make amendments if necessary. No responsibility shall be taken for unsolicited books and manuscripts. Articles bearing symbols other than that of the editorial department, or which are distinguished by the name of the author, represent the opinion of the aforementioned, and do not have to comply with the views of DTI. Responsibility for such articles shall be borne by the author. Responsibility for advertisements and other specially labeled items shall not be borne by the editorial department. Likewise, no responsibility shall be assumed for information published about associations, companies and commercial markets. All cases of consequential liability arising from inaccurate or faulty representation are excluded. General terms and conditions apply. Legal venue is Leipzig, Germany. 50 roots 4 2018