meetings EOS EOS Congress made return to Switzerland develop ments in the field. This year’s extensive programme was organised by 2017 EOS President, Professor Christos Katsaros and his team at the University of Bern. It focused on the alveolar envelope as the limit to orthodontic tooth move- ment and the diferent treat- ment strategies to ex pand the anatomical limits. In a special session pre- sented by the European Journal of Ortho dontics, Prof. Martyn Cobourne and orthodontic con- sultant Dr Padhraig Fleming, both from the UK, as well as Forsyth Institute researcher Dr Alpdoğan Kantarci, from the US, debated accelerating tooth movement and its rationale and efect with moderator and jour- nal editor Prof. David Rice. Further more, presen- tations in the greater programme covered the latest research on a variety of other important topics. Keynote speakers, all experts in their re- spective fields, critically analysed these subjects, followed by short presentations of new research data. The main programme was complemented by a number of special meetings being held by orthodontic societies for students and teachers, among others. In addition to the programme, attendees were able to see and experience the latest innovations from some of the largest man- ufacturers of orthodontic products, including Align Technology and DW Lingual Systems. All in all, over 60 sponsors had their latest oferings on display. In the evenings, participants were able to enjoy the best Montreux has to ofer, with a lake cruise and gala dinner at the world- famous Chillon Castle as the highlight of this year’s social programme. Photo: EOS 46 ortho 2/2017 Idyllically situated between the blue waters of Lake Geneva, the majestic snow-covered Alps and the Lavaux Vineyard Terraces UNESCO World Heritage Site, Montreux is considered by many to be one of Switzerland’s hidden gems. Every year, this medieval city, which over the course of its history has attracted artists and poets, draws visitors from around the world, most prominently for the annual Montreux Jazz Festival in July. From 5 to 10 of June this year, more than 2,100 dental professionals from 75 countries, enjoyed everything that Montreux has to ofer, during the 93rd Congress of the European Orthodontic Society (EOS), which took place at the Montreux Music and Convention Centre (2m2c). This year’s edition marked the return of the prestigious event to Switzerland since the last congress in the country was hosted in Geneva in 1983. Over the course of the next five days, it brought together professionals from all over the globe to discuss the latest scientific and clinical