It stays clearer for longer
The TruGEN material is far less prone to picking up stains from coffee, tea or red wine

A newer generation of clear aligners that's quietly winning over patients and dentists alike. Smoother, clearer, and engineered to stay that way - even after your morning coffee.






For my friends in Warwickshire, i will definitely recommend Aspire smiles, as my experience was great. Mia and Dan have been professional, honest and friendly and the clinic cleanliness and atmosphere was spot on.

Spark is a clear aligner system that does what you'd expect - gently shifts your teeth into a straighter position using a series of removable, near-invisible trays - but it does it with a few clever upgrades on what came before.
The aligners are made from a material called TruGEN, which is more transparent and more stain-resistant than other aligner plastics. In real terms, that means your aligners stay looking clear throughout the day, even if you've had a cup of tea or a glass of red. The trays themselves also have smoother edges, which most patients tell us makes them more comfortable to wear, particularly in the first few days when you're getting used to them.
Spark is a relative newcomer compared to Invisalign, but it's quickly built a reputation for being one of the most refined aligner systems on the market - which is exactly why we chose to offer it at Aspire Smiles.
Here's how Spark treatment unfolds for our patients in Warwick and Leamington Spa:
A relaxed first appointment with one of our dentists to chat through what you're hoping for and whether Spark is the right fit
Using our iTero Lumina scanner, we'll capture a precise image of your teeth in minutes - no impressions required
Your dentist will design your treatment, and you'll see a digital preview of your final smile before you commit
Your custom-made trays are manufactured and shipped to the practice, ready for your fitting appointment
You'll wear each aligner for around 22 hours a day, swapping to the next set every 1-2 weeks
Once you've reached your final smile, retainers will keep everything beautifully in place for the long term
Most Spark cases are completed in 6 to 18 months, depending on how much movement is needed.
If you'd asked us a few years ago which clear aligner to recommend, the answer would have been straightforward. Today, it's a genuine conversation - because Spark has earned its place in the discussion.
Here's what tends to win patients over:


The TruGEN material is far less prone to picking up stains from coffee, tea or red wine


Smoother edges and a thinner profile mean less rubbing


Even closer than other clear aligner systems


Custom-engineered for your teeth using digital planning


Eat, drink and clean your teeth as normal


Effective for a wide range of cases, from mild crowding to more complex bite issues

This is one of the most common questions we get asked, and honestly, there isn't a one-size-fits-all answer.
We're a Diamond Invisalign provider, we offer Spark, and we offer Smile White aligners too. That's deliberate. Different aligner systems suit different smiles, and being tied to just one would mean compromising on what's actually best for our patients.
In a nutshell:
At your free consultation, your dentist will look at your teeth, listen to what you're hoping for, and recommend the system that fits best - not the one we'd prefer to sell.
Spark works well for a wide range of cases, from mild crowding to more complex movements. Where a different system might suit you better - whether that's Invisalign for its extensive case library, or SmileWhite for its UK-made speed and accessibility - we'll always recommend the option that's genuinely right for your smile. The only way to know for sure is to come in for a free consultation, where one of our dentists will take a proper look and talk you through your options honestly.













Treatment typically falls in line with our other clear aligner systems, starting from around £3,500, with your exact cost confirmed at your free consultation.
To make treatment manageable, we offer:
You can view our full fee guide for everything in one place.
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That's why your treatment at Aspire Smiles is supported by a dedicated patient concierge, a calm and modern environment that doesn't feel like a typical dental clinic, and free on-site parking right outside the door. It's why we use the iTero Lumina scanner to plan your treatment with precision and show you a digital preview of your future smile. And it's why we offer free initial consultations on all our aligner systems - so there's no cost to come in, ask questions, and explore what's possible.
You'll also have access to our wider team and treatments at any point in your journey - whether that's a quick hygiene appointment, a touch of composite bonding to refine your final result, or teeth whitening at the end of treatment to really make your new smile shine.

Most patients finish treatment in 6 to 18 months. Mild cases can wrap up in as little as 6 months, while more complex movements may take longer. Your dentist will give you a clear timeline at your consultation, based on a 3D preview of your treatment plan.
Independent research suggests Spark's TruGEN material is more transparent than the materials used in older aligner systems, and stays that way better over time. In day-to-day life, this means less yellowing and a more natural look throughout the day. That said, both systems are designed to be discreet, and most people won't notice you're wearing either.
You may feel some pressure or mild tenderness for a day or two after switching to a new aligner - that's the trays doing their job. Most patients describe it as completely manageable, and the smoother edges of Spark trays mean less irritation to your cheeks and gums than older aligner systems. We're always here if anything feels off.
Only water should be drunk while wearing your aligners. Hot drinks can warp the plastic, and coffee, tea or red wine can stain them. The good news is that taking them out only takes a moment, and Spark's stain-resistant material means even occasional accidents are less likely to leave a mark.
We'll fit you with retainers to keep your teeth in their new position. Without retainers, teeth can gradually shift back over time, so this step is essential. Your dentist will explain exactly how often to wear them and how to look after them.
Yes - Spark works well for teen patients whose adult teeth have come through. Aligners can actually be a brilliant option for teens who are conscious of fixed braces, as they're far less visible and don't restrict what they can eat. We'll assess suitability at the consultation.
Yes, every penny. The deposit simply secures your appointment and is refunded in full when you attend. There's no obligation to book treatment afterwards - just an honest conversation and a clear next step if you'd like one.

Come in for a free consultation at Aspire Smiles. We'll take a proper look, talk through your options - including Invisalign and Smile White - and help you choose the path that's genuinely right for you.