7 Seas Orthodontics S.A.
Limited company with capital of 31 000 EUROS
Administrator : Pierre Krieger

17b Rue du Chemin de Fer L-8057 Bertrange, Luxembourg.

Phone +352 28 77 72 75
Fax +352 27 39 72 75
Email contact [at]

VAT ID LU 26445940

Etablissment authorization : 10041817/1
Company registration number : 2013 2220 396
Commercial Register : B180997
Registered office : Registre de commerce de Luxembourg


U Concept® is a registered trademark by 7 Seas Orthodontics S.A. The U Concept® - The Ultimate Bio Trainer brand is the exclusive property of 7 Seas Orthodontics S.A. We supply orthodontic profesionnals all around the world. We also design our proper medical devices dedicated to functional rehabilitation.


The contents of this website were written with due diligence and by the author’s best knowledge. Contents of external websites to which we are linking are beyond our responsibility and are not adopted as our own content.

The use of our website is possible without providing personal information. If personal data (such as name or e-mail address) are collected, this only occurs – to the extent possible – with the prior consent of the user. We will not forward this data to third parties and we recolt them with your express consent.

We would like to expressly point out that the transmission of data via the Internet (e.g., by e-mail) can offer security vulnerabilities. It is therefore impossible to safeguard the data completely against access by third parties.

The use by third parties of all published contact details for the purpose of advertising is expressly excluded. We reserve the right to take legal steps in the case of the unsolicited sending of advertising information; e.g., by means of spam mail.