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Below you will find our regular opening hours, public holidays, additional closure dates and adjusted opening hours for 2026 and 2027. During public holidays and holiday periods, our schedule may differ from our regular opening hours.
This page always contains our most up-to-date schedule. Please check this page before visiting us or contacting us by telephone.
Regular opening hours
From Monday to Thursday, we are open for questions, orders, training courses and other X-treme Smile matters.
Planning to visit us?
Please note that Friday is not a regular opening day.
We are open for visits from Monday to Thursday
between 10:00 AM and 5:00 PM.
Public holidays & closure dates 2026
X-treme Smile is closed on the Dutch public holidays listed below. We are also closed on New Year's Eve.
Orders around public holidays
Orders are not processed or dispatched on our closure dates.
Processing resumes on the next regular shipping business day.
Public holidays & closure dates 2027
We have also included the Dutch public holidays for 2027 in advance. X-treme Smile is closed on these dates. We are also closed on New Year's Eve.
Additional closure dates 2027
Any additional holiday or closure dates for 2027 will be added
to this page as soon as they are confirmed.
Additional closure dates & holiday schedule
In addition to regular public holidays, additional closure dates may apply throughout the year. We publish them here as soon as they are known.
Additional closure dates 2026
- Friday 28 August 2026: closed.
- Wednesday 23 September 2026: closed.
On these dates we are closed, orders are not processed or dispatched and we are not available by telephone.
Additional closure dates 2027
No additional holiday or closure dates have been confirmed for 2027 at this time. As soon as additional dates are known, they will be added here.
This page is always leading
During holiday periods, around Christmas and New Year, or due to
special circumstances, our opening hours may temporarily differ.
Please always check this page before visiting us.
Questions about our opening hours?
Do you have a question about a visit, order, delivery or training course? Feel free to contact us.