A staged series of custom clear trays, not a single device, is what actually moves your teeth.
Clear aligner therapy has become one of the most popular ways to straighten teeth, and it’s offered under more than one brand, Invisalign® being the best known. If you’re considering clear aligners in Greenville, you’re probably picturing one clear tray doing all the work. In reality, it’s a series of them, each one built to nudge your teeth a small step closer to their final position. Dr. Blake Tollison walks every clear aligner patient through exactly how that process works before treatment starts.
Quick answer: How does Invisalign work? Clear aligner therapy uses a series of custom clear trays, each shaped slightly differently from your current tooth position. Wearing a tray puts light, steady pressure on specific teeth, which moves them a small amount. You switch to a new tray roughly every one to two weeks, wear each one 20 to 22 hours a day, and come in every 6 to 8 weeks so we can check your progress and hand you your next sets.
Dr. Blake Tollison is a board-certified orthodontist treating clear aligner patients in Greenville, SC. Every case starts with digital scans of your teeth, which are used to build a custom, stage-by-stage plan before your first tray is ever made.
The plastic itself isn’t what makes clear aligner therapy work. It’s the shape of each tray, built to a position your teeth aren’t in yet, that creates the pressure driving the movement. Everything below walks through how that plays out from your first scan to your final retainer.
What Are Clear Aligners?
Clear aligner therapy is a modern way to straighten teeth using a series of clear, custom-made plastic trays instead of metal brackets and wires. Several brands make clear aligners, and Invisalign® is the most widely recognized. Each tray, called an aligner, is built to fit your mouth precisely and is worn for a set period before you move to the next one in the series.
The trays are removable, which is one of the biggest differences from traditional braces. You can take them out to eat, brush, and floss, and the smooth plastic doesn’t irritate your cheeks or gums the way metal wires can.
The Technology Behind the Plan
Clear aligner treatment starts with computer imaging technology rather than the messy putty molds used in the past. A digital scan creates a precise 3D model of your teeth, which lets Dr. Tollison plan the exact movement of every tooth from where it is now to where it needs to go.
That digital model also makes it possible to preview your results. Before you wear your first tray, you can see a simulation of how your smile is expected to change over the course of treatment.
How Aligners Actually Move Your Teeth
Each aligner in your series is shaped slightly differently than your current tooth position, built to match the next stage of the plan rather than where your teeth sit today. When you seat the tray, that mismatch is what creates pressure on specific teeth, and that pressure is what pushes them toward their new position.
This is why a new tray typically feels snug at first. Your teeth haven’t caught up to the shape of the tray yet. As the days pass and your teeth respond to the pressure, the tray fits more comfortably, right up until it’s time to switch to the next one.
Movement happens in small stages rather than all at once, which keeps the process gentle and controlled for your roots and gums as your bite gradually shifts into place.
Attachments: Extra Grip Where It’s Needed
Some teeth need more than the tray alone can provide to move predictably. In these cases, we bond small, tooth-colored attachments to the tooth, tiny raised shapes that give the aligner something to grip so it can rotate a tooth or apply more targeted pressure. Attachments are small and blend in with your smile, so they don’t stand out in conversation.
Comfort and Look
Clear aligner trays are smooth and flexible, which means they don’t poke or rub the way a metal wire sometimes can, while still being firm enough to move teeth. Because the trays are clear, most people won’t notice you’re in treatment at all, which is a real advantage for patients who want to keep their orthodontic care low-key at work or school.
Your Clear Aligner Steps at Tollison Orthodontics
Step 1: Consultation and Assessment
Treatment starts with a consultation at our Greenville office, where we discuss your smile goals and do a full examination of your teeth and bite. This is also where we talk about whether clear aligner therapy is the right fit for your case, since some situations call for a different approach.
Step 2: Building Your Treatment Plan
We take digital scans of your teeth and use them to build a custom plan that maps out the sequence of movements for every tooth, along with an expected timeline. On average, clear aligner treatment runs 12 to 18 months, though the exact length depends on your specific case.
Step 3: Getting Your Aligners
Once your plan is finalized, your custom trays are manufactured. When they arrive, you’ll come in for a fitting, and we’ll send you home with several sets at once. You’ll wear each set for about one to two weeks before moving on to the next one in the series.
Wearing Your Aligners: What Success Actually Requires
The single biggest factor in how well clear aligner therapy works is compliance with your wear schedule. You need to keep your aligners in for 20 to 22 hours a day. Leave them out too long and your teeth either stop moving on schedule or start drifting back toward where they started.
Within that wear schedule, clear aligner therapy fits easily around daily life:
- Eating: Trays come out to eat, so there are no food restrictions. Popcorn, apples, sticky candy, all fine, just take your aligners out first.
- Hygiene: Trays come out to brush and floss, so there’s no need for special threaders around wires.
- Sports and instruments: Playing a contact sport or an instrument like the trumpet? Take your aligners out for it, then put them back in after.
Appointments and Progress Checks
You’ll come back to Tollison Orthodontics every 6 to 8 weeks for progress checks. At these visits, we confirm your teeth are tracking the plan, hand you your next sets of aligners, and make sure your bite correction is on schedule. If a tooth is lagging behind the plan, we can adjust course from there.
Cleaning and Maintenance
Keeping your aligners clean matters just as much as wearing them on schedule. Trays that aren’t cleaned can trap bacteria against your teeth, which raises your risk of cavities and bad breath. A simple routine covers it:
- Rinse your trays every time you take them out.
- Brush them gently with a soft toothbrush.
- Soak them periodically with cleaning crystals or clear soap.
- Skip hot water, which can warp or melt the plastic; stick to cool or lukewarm water.
As Dr. Rodrigo F. Viecilli, a board-certified orthodontist at Limestone Hills Orthodontics in Austin, TX, says, keeping the trays clean is the best way to avoid stains and odors while wearing them.
What Clear Aligner Therapy Can Treat
| Issue | What It Means |
| Crowding | Teeth that are twisted or overlapping |
| Spacing | Gaps between teeth |
| Overbite | Upper teeth that sit too far forward over the lower teeth |
| Underbite | Lower teeth that sit forward of the upper teeth |
| Crossbite | Some upper teeth sitting inside the lower teeth |
When Clear Aligner Therapy Might Not Be the Right Fit
Clear aligner therapy has come a long way and handles a much wider range of cases than it used to, but it still isn’t the right tool for every smile. Some severe skeletal issues are still better addressed with traditional braces, and complex movements may need more control than a removable tray alone can provide.
Compliance matters too. If you know you’ll struggle to keep trays in for 20 to 22 hours a day, that’s worth discussing honestly at your consultation, since inconsistent wear affects results more than almost anything else.
What This Article Can’t Tell You, and What a Consultation Can
Nothing here replaces an actual exam. Whether clear aligner therapy fits your case, and how long your specific treatment will take, depends on your bite, your jaw alignment, and your goals, all things Dr. Tollison needs to see in person to plan accurately.
At your consultation, we’ll examine your teeth and bite, talk through whether clear aligner therapy or a different option fits your situation best, and map out a realistic plan and timeline for your case specifically.
The Results: Finishing Treatment and Retention
Once you complete your final set of trays, we do a final check of your bite and the look of your smile. When you’re happy with the results, the active moving phase is complete, but treatment isn’t quite finished yet.
Teeth naturally drift back toward their original position after any orthodontic movement, which is why retention matters. We’ll make you a custom retainer, similar in feel to a clear aligner tray, that you’ll wear full-time for a few months and then just at night going forward. Wearing it protects the results you worked for.
Frequently Asked Questions
Is clear aligner therapy painful?
Clear aligner therapy is usually more comfortable than traditional braces. You may feel some pressure or tightness when switching to a new tray, which is completely normal and shows the aligners are working. This feeling typically fades after a day or two as your teeth adjust. Most patients find the process easy to manage and much gentler than metal braces.
How often do I change my aligners?
Most patients change their aligners every one to two weeks, depending on their custom treatment plan. Each new tray moves your teeth a little closer to the final position, so wearing them as instructed is important for good results. Staying consistent helps you finish treatment on time.
Can I drink coffee with my aligners in?
No, you should only drink water while wearing aligners. Coffee, tea, and other drinks can stain the clear trays, and hot beverages can change their shape. Always remove your aligners before drinking to keep them clear and effective. This also helps protect your teeth from cavities and buildup.
Will I need attachments on my teeth?
Not every case needs them, it depends on which movements your plan requires. Dr. Tollison will let you know at your consultation and treatment planning visit whether your case calls for attachments and roughly how many.
What happens if I lose or break an aligner?
Call our office as soon as it happens so we can advise you on next steps for your specific stage of treatment. Depending on where you are in your series, we may have you move ahead to the next set or have a replacement made.
Sources. Content reflects Tollison Orthodontics’ own published explanation of the clear aligner process, general orthodontic treatment principles, and cross-practice clinical input from Limestone Hills Orthodontics (Austin, TX).
Related Reading
- How to Floss with Braces in Greenville, SC
- Alternatives to Braces in Greenville, SC
- Invisalign vs Braces
- Invisalign Cost
Get a Treatment Path Built Around What You Actually Need
Tollison Orthodontics offers both comprehensive aligner treatment and time-based, in-house touch-ups, so your plan matches the correction you actually need rather than a one-size-fits-all process.
Schedule Your Free Consultation
Free consultation for new patients.
