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May 29th-30th,2026
IOS



30th International Orthodontic Symposium
May 29th - 30th, 2026

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The symposium will begin in

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We warmly welcome and invite you to listen an discuss with the top representatives of our discipline in Prague - Hotel Josef old town Prague. Meet colleagues from many countries in a familiar atmosphere.




Prof. Dr. Dr. Ralf J. RadlanskiDE

EAO & IOS President

Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski

Berlin / Germany



Dr. Jan V. RaimanDE

EAO Vice President
IOS Mediatoring

Dr. Dr. h.c. Jan V. Raiman

Hanover / Germany



Prof. Dr. Dr. h.c. Aladin SabbaghDE

EAO Vice President

Prof. Dr. Dr. h.c. Aladin Sabbagh

Erlangen / Germany



Images of location | IOS Moselle

Our speakers in Prague 2026

Meet the international experts at the cutting edge of orthodontics



Dr. Yong-Min JoAT

Dr. Yong-Min Jo

Hilden / Germany



Prof. Dr. Andreas JaegerESP

Prof. Dr. Andreas Jäger

Bonn / Germany

Dr. Jassin ArnoldDE

Dr. Jassin Arnold

Waldbröl / Germany



Dr. Nils StuckiCH

Dr. Nils Stucki

Bern / Switzerland



Zuzana ĎuričkováCZ

Zuzana Ďuričková

Prague / Czech Republic



Dr. Woo-Ttum BittnerDE

Dr. Woo-Ttum Bittner

Berlin / Germany



Dr. Seung-Woo YooDE

Dr. Seung-Woo Yoo

Neu Isenburg / Germany



Dr. Jan V. RaimanDE

Dr. Dr. h.c. Jan V. Raiman

Hanover / Germany



Event schedule 2026




Friday, November 29th

Pre-Congress 2026


 
08:30 - 09:00 / Friday, November 29th

Registration Pre-Congress

 
09:00 - 11:00 / Friday, November 29th
Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski;DE

Pre-Congress

A Digital Workflow for Integrating TMJ Position into Aligner Treatment Planning

Dr. Yong-Min Jo (Hilden/Germany)







Friday, November 29th

Symposium 2026


 
12:30 - 13:00 / Friday, November 29th

Registration Symposium

 
13:00 - 13:15 / Friday, November 29th
Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski;DE Dr. Dr. h.c. Jan V. Raiman;DE

Welcome

Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski (Berlin/Germany)
Dr. Dr. h.c. Jan V. Raiman (Hanover/Germany)

 
13:15 - 14:15 / Friday, November 29th

Tiziano Baccetti Memorial Lecture

Dr. Andreas JägerDE

Orthodontics Without Limits? Biological Risks and Constraints of Modern Tooth Movement

Dr. Andreas Jäger (Bonn/Germany)

 
14:15 - 15:15 / Friday, November 29th
Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski;DE

Clear Aligners and the Temporomandibular Joint:

Integrating the TMJ Position into Aligner Planning and Occlusal Finishing

Dr. Yong-Min Jo (Hilden/Germany)

 
15:15 - 15:45 / Friday, November 29th

Coffee break

 
15:45 - 16:30 / Friday, November 29th
Dr. Jassin ArnoldDE

Extraction of a Lower Incisor, the Neglected Opportunity

Dr. Jassin Arnold (Waldbröl/Germany)

 
16:30 - 17:00 / Friday, November 29th
Dr. Dr. h.c. Jan V. Raiman;DE

X-Effect - Unexpected Complication after Retainer Bonding

Dr. Dr. h.c. Jan V. Raiman (Hanover/Germany)

 
17:00 - 17:15 / Friday, November 29th
Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski;DE Dr. Dr. h.c. Jan V. Raiman;DE

Summary

Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski (Berlin/Germany)
Dr. Dr. h.c. Jan V. Raiman (Hanover/Germany)

 
19:30 / Friday, November 29th

Get-Together in a traditional Prague pub






Saturday, May 30th

Symposium 2026


 
09:00 - 09:15 / Saturday, May 30th

Welcome Coffee

 
09:15 - 10:15 / Saturday, November 30th
Dr. Nils StuckiCH

Beyond the Box: Clinical Experience in Aligner Therapy

Dr. Nils Stucki (Bern/Switzerland)

 
10:15 - 10:45 / Saturday, November 30th
Zuzana ĎuričkováCZ

Systems, Structure and Scalability in a High-Performance Aligner Practice

Zuzana Ďuričková (Prague/Czech Republic)

 
10:45 - 11:15 / Saturday, November 30th

Coffee break

 
11:15 - 12:15/ Saturday, November 30th
Dr. Woo-Thum Bittner;DE

The Prague Concept – or How We Were Suddenly Able to Start 130% More Treatments in a Quarter With the Same Amount of Effort

Dr. Woo-Ttum Bittner (Berlin/Germany)


 
12:15 - 14:15 / Saturday, November 30th

Time to relax in the city and discover Prague's historic centre

 
14:15 - 15:30/ Saturday, November 30th
Dr. Seung-Woo Yoo;DE

The Digital Workflow in an Orthodontic Practice – From Practitioner to Practitioner

Dr. Seung-Woo Yoo (Neu Isenburg/Germany)


 
15:30 - 16:00 / Saturday, November 30th

Coffee break

 
16:00 - 17:00/ Saturday, November 30th
Dr. Seung-Woo Yoo;DE

The Digital Workflow in an Orthodontic Practice – From Practitioner to Practitioner

Dr. Seung-Woo Yoo (Neu Isenburg/Germany)


 
17:00 - 17:15 / Saturday, November 30th
Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski;DE Dr. Dr. h.c. Jan V. Raiman;DE

Summary

Prof. Dr. Dr. Dr. h.c. Ralf J. Radlanski (Berlin/Germany)
Dr. Dr. h.c. Jan V. Raiman (Hanover/Germany)




WITH KIND SUPPORT OF

Aussteller Logos

Get-Together

Friday, November 29th, 19:30


On Friday evening we will welcome you in a typical historic beer pub to relax from an eventful day, enjoy the delicious Prague cuisine and the famous Czech beer specialities. You will have the chance to meet the speakers personally, meet old friends and get to know new friends.

Registration required. Each participant pays for their own food and drinks.

U Pivrnce Žatecká
Žatecká 17/7
110 00 Praha 1

www.zatecka.upivrnce.cz

Metro: Green line A, station "Staroměstská"
2min (110m) to walk to the location
See the location on Google Maps: show location on map


Party

We are proud

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Years of success

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Participants from over 35 nations

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International speakers

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EAO Members

Our location

Hotel Josef Prague
Rybná 20
110 00 Prague 1
Czech Republic

www.hoteljosef.com

Metro: Yellow line B, station "Náměstí Republiky"
5min walk (350m) to the hotel

See the location on Google Maps: show location on map




Images of location | IOS Moselle

Hotel recommendation

Booking code: IOS2026


We have reserved a number of rooms for you at a special price of at the Hotel Josef and the Hotel Maximilian.

Please enter the booking code ‘IOS2026’ in the first step of the booking process (number of guests).
In the next step, select your arrival and departure dates between 27 May and 1 June 2026.
In the third step, please select the ‘Superior Room – with breakfast’ option.
You will now see a price of CZK 4,400.00 / EUR 181.00 per night."

Hotel Josef Prague
Rybná 20
110 00 Prague 1

www.hoteljosef.com

Distance to the symposium venue: 0m

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Hotel Maximilian
Haštalská 14
110 00 Prague 1

www.maximilianhotel.com

Distance to the symposium venue: 200m


Registration

Register now and save the date for two unforgettable days in Prague.




Pre-Congress

50€
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IOS Prague
May 29th, 2026
2 International CE / 3 German CE
Register now

Orthodontist

695€
* img
IOS Prague
May 29th – 30th, 2026
9 International CE / 12 German CE
Register now

Postgraduate**

395€
* img
IOS Prague
May 29th – 30th, 2026
9 International CE / 12 German CE
Register now


*All prices plus 21% value added tax (VAT).
The participation fee includes coffee breaks. The number of participants is very limited due to the location.

**In order to benefit from the special fee, a submission of your status (approval letter signed by the Head of department or copy of status ID) must be submitted by e-mail to registration@ios-hannover.de after registration.

Cancellation conditions: Cancellation until 28.02.2026 90% refund. / Cancellation between 01.03. and 30.04.2026 50% refund. / No refund possible after 01.05.2026.



***Become a EAO -Member: www.eaomembers.org