Previous congresses of the Czech orthodontic society:

• VIII. Congress of the COS 2007 - Plzeň  

• IX. Congress of the COS 2008 - Špindlerův Mlýn  

• X. Congress of the COS 2009 - Mikulov  

• XI. Congress of the COS 2010 - Brno  

• XII. Congress of the COS 2011 - Praha  

• XIII. Congress of the COS 2012 - Luhačovice  

• XIV. Congress of the COS 2013 - Plzeň  

• XV. Congress of the COS 2014 - Olomouc