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I 03 editorial _ cosmetic dentistry I cosmeticdentistry 4_2012 _As the Co-Editor-in-Chief of the official journal of the Asian Academy of Aesthetic Dentistry (AAAD), I am very pleased to announce that the 12th AAAD and 23rd Japan Academy ofEstheticDentistry(JAED)jointmeetingwasheldinSapporo,Japan,from20to22July2012 under the great leadership of Dr Hisashi Hisamitsu (President of AAAD) and Dr Akira Senda (President of JAED). The scientific programme, including lectures, poster presentations and hands-onworkshops,wasverywellreceivedbytheattendeesandthesocialeventscultivated a comfortable environment in which to foster friendship among international colleagues. Many changes, as we well know, are taking place in the dental profession. One of the most significant paradigm shifts in aesthetic dentistry is the emphasis on colour science. Colour measurement of human teeth and restorative materials has become an integral component of both clinical practice and dental research. This change can be traced back to several pioneers who contributed their knowledge and passion to the art and science of colour:DrBruceClarkinthe1920sand1930s,DrRobertSproullinthe1960s,DrJackPreston and Dr Stephen Bergen in 1970s. The same passion of these colour pioneers has been kept alive by the Society for Color and Appearance in Dentistry (SCAD), which was founded in 2008 as a consortium of dental professionals and other experts interested in the area of aesthetic dentistry specifically related to scientific investigation and the relationship between colour and appearance. As an active member of SCAD, I personally value the SCAD colour training program (Dental Color Matcher), which is available free online (www.scadent.org). Dental Color Matcher already has thousands of users from over 100 countries. It is a very useful tool for teaching dental students or for continuing education for dental professionals. Therefore I would like to encourage all readers interested in colour related to dentistry to read the 2012 SCAD meeting report which will appear in the next issue. In this year’s last issue of cosmetic dentistry, we have virtually kept the best for last. This issue will especially attract our readers interested in implantology. The beautifully illus- trated and documented articles cover the whole scope, including diagnosis and treatment planning,surgicalproceduresandlong-termresults.Alsoofinterestistheevaluationofcost effectiveness in implant dentistry. Isincerelyhopethatyouwillenjoythiseditionandapplyyournewknowledgetoyourdaily practice successfully. Finally, I would like to thank our valued readers, contributing authors, supporting companies and the cosmetic dentistry team for their great support in making our magazine so outstanding! Yours faithfully, Dr So Ran Kwon Co-Editor-in-Chief President, Korean Bleaching Society Seoul, Korea Dear Reader, Dr So Ran Kwon Co-Editor-in-Chief