| about the publisher Imprint Publisher Torsten R. Oemus oemus@oemus-media.de CEO Ingolf Döbbecke doebbecke@oemus-media.de Members of the Board Jürgen Isbaner isbaner@oemus-media.de Lutz V. Hiller hiller@oemus-media.de Editor in Chief Norbert Gutknecht ngutknecht@ukaachen.de Coeditors in Chief Adam Stabholz Matthias Frentzen Editorial Managers Dimitris Strakas Leon Vanweersch Regional Editors Georgi Tomov Europe Marina Polonsky North America Marcia Martins Marques South America Youssef Sedky Middle East & Africa Ambrose Chan Asia & Pacific Senior Editors Aslihan Üsümez Josep Arnabat Kosmas Tolidis Andreas Braun Rene Franzen Lynn Powell Editorial Board Peter Steen Hansen, Aisha Sultan, Ahmed A Hassan, Antonis Kallis, Dimitris Strakas, Kenneth Luk, Reza Fekrazad, Sharonit Sahar-Helft, Lajos Gaspar, Paolo Vescovi, Ilay Maden, Jaana Sippus, Hideaki Suda, Ki-Suk Kim, Miguel Martins, Aslihan Üsümez, Enrique Trevino, José Correia de Campos, Saleh Ghabban, Stephen Hsu, Antoni Espana Tost, Josep Arnabat, Alaa Sultan, Evgeniy Mironov, Ahmed Abdullah, Boris Gaspirc, Peter Fahlstedt, Alireza Fallah, Michel Vock, Anna Maria Yiannikos, Ryan Seto, Joyce Fong, Iris Brader, Masoud Mojahedi, Gerd Volland, Gabriele Schindler, Ralf Borchers, Stefan Grümer, Detlef Klotz, Jörg Meister, Rene Franzen, Andreas Braun, Siegfried Jänicke, Olaf Oberhofer, Thorsten Kleinert Art Director Alexander Jahn a.jahn@oemus-media.de Designer Sandra Ehnert s.ehnert@oemus-media.de Theresa Weise t.weise@oemus-media.de Customer Service Marius Mezger m.mezger@oemus-media.de Published by OEMUS MEDIA AG Holbeinstraße 29 04229 Leipzig, Germany Tel.: +49 341 48474-0 Fax: +49 341 48474-290 kontakt@oemus-media.de Printed by Silber Druck oHG Am Waldstrauch 1 34266 Niestetal, Germany Editorial Office Georg Isbaner g.isbaner@oemus-media.de Katharina Rühling k.ruehling@oemus-media.de Product Manager Timo Krause t.krause@oemus-media.de Executive Producer Gernot Meyer meyer@oemus-media.de laser international magazine of laser dentistry is published in cooperation with the World Federation for Laser Dentistry (WFLD). WFLD Headquarters University of Aachen Medical Faculty Clinic of Conservative Dentistry Pauwelsstraße 30 52074 Aachen, Germany Tel.: +49 241 808964 Fax: +49 241 803389644 ngutknecht@ukaachen.de www.wfld-org.info www.laser-magazine.com · www.oemus.com Copyright Regulations laser international magazine of laser dentistry is published by OEMUS MEDIA AG and will appear with one issue every quarter in 2018. 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 pro cessing in electronic systems. Reproductions, including extracts, may only be made with the permission of the publisher. Given no statement to the contrary, any sub- missions 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 OEMUS MEDIA AG. 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. 42 2 2018