25 January 2011 I.D.S. 2011 COLONIA 34th INTERNATIONAL DENTAL SHOW COLOGNE 22-23-24-25-26 MARCH 2011 Posted byCattani 25 January 2011 0 Related Articles INTERNATIONAL EXPODENTAL 2013 Dentistry Show 2022 Birmingham EXPODENTAL MEETING 2025 – RIMINI BDIA Dental Showcase 2018 London Control of natural resources and technological progress Progress and new technology