If you’re considering straightening your teeth as an adult, you’re probably wondering how long the process will take. With Invisalign, treatment times can vary based on your specific case, but for many adults, it’s quicker and more convenient than expected.
According to Invisalign UK, the average treatment time for adults is around 6 to 12 months, although this can be shorter for mild cases. In fact, a 2023 survey by the Oral Health Foundation found that nearly one in five UK adults are considering adult orthodontic treatment, with clear aligners topping the list due to comfort and appearance.
So how long will it take for Invisalign to straighten your smile?
How does Invisalign treatment work for adults?
Invisalign uses a series of clear, removable aligners that gently shift your teeth into place over time. Each aligner is custom-made and worn for about two weeks before moving on to the next in the series.
Adults are often ideal candidates because they’re more likely to wear the aligners consistently, at least 20 to 22 hours per day, as recommended. The more consistently you wear them, the more efficient your treatment will be.
At A1 Dental Surgery’s Invisalign clinic, your journey begins with a digital scan using the iTero scanner. This maps out a precise 3D image of your teeth. From there, your dentist will create a tailored treatment plan, including an estimated timeline, before your first aligner is even made.
What factors affect how long Invisalign takes?
While 6 to 12 months is typical, several factors influence your exact treatment duration:
- Complexity of your case – Mild crowding or spacing may take only a few months, while more complex tooth movement can take over a year.
- Age – Adult teeth can take slightly longer to move than younger teeth, although this is usually a small difference.
- How often you wear them – Not wearing your aligners as advised can extend the treatment time significantly.
- Attachments or refinements – Some patients need small tooth-coloured attachments to help move certain teeth, or may need additional sets of aligners at the end.
Is Invisalign faster than traditional braces for adults?
In many adult cases, yes. Because Invisalign is planned digitally from start to finish, movements can be more targeted and predictable. For straightforward cases, Invisalign can often produce results faster than metal braces. It also avoids the need for regular in-clinic adjustments.
Invisalign is generally more comfortable and discreet too, making it easier for adults to stick with the process without it interrupting work or social life.
What happens after Invisalign treatment ends?
Once you’ve completed your aligner series and achieved your final results, your dentist will provide retainers to keep your teeth in place. Without retainers, teeth may gradually shift back, which can undo months of progress.
At A1 Dental, we typically recommend Vivera retainers, which are custom-made by Invisalign for long-term use. Wearing your retainers every night is key to maintaining your new smile.
Can I speed up my Invisalign treatment?
The best way to stay on track, or even finish early, is to follow your treatment plan closely. This includes:
- Wearing aligners for the full 22 hours per day
- Removing them only to eat, drink, brush, and floss
- Cleaning them daily
- Attending all check-ups with your dentist
Some patients may also be eligible for “Invisalign Lite” or “Express” packages, which use fewer aligners and are ideal for very mild cases.
Straighten your smile with a clear timeline
Invisalign offers adults a discreet, comfortable way to achieve a straighter smile, often in as little as six months. At A1 Dental Surgery, we use the latest digital planning tools to create accurate, efficient treatment plans with no surprises.
Ready to begin your Invisalign journey? Book your consultation today and see what’s possible.
Secure your best smile for years to come! Book a consultation with A1 Dental to learn how to maintain your smile long-term.
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