Here at Central Massachusetts Orthodontic Associates, Dr. Giarrusso, Dr. Livanos, and the whole team are passionate about helping you smile bigger. A big part of that is giving you insight into some of our most popular treatments! For instance, what is the process for getting fitted for custom clear aligners? Let’s find out!

Understanding Clear Aligners
What Is the Process for Getting Fitted for Custom Clear Aligners? A Step-by-Step Guide
The process for getting fitted for custom clear aligners is a 7-step process: an in-office consultation, a digital 3D scan, a custom treatment plan you approve, aligner manufacturing, your first fitting with attachments, regular progress check-ins, and retainers to protect your results. From your first visit to holding your aligners typically takes about 2 to 4 weeks once your plan is approved.
Here’s what to expect at every stage, and why each one matters for a smile that looks and feels great.
Introduction: Why the Fitting Process Matters for Custom Clear Aligners
Not all clear aligners are created the same. Custom clear aligners are designed, planned, and monitored by a trained clinician in an office setting. Mail-order kits skip that hands-on step, which can leave your smile with unpredictable results.
At Central Mass Orthodontics in Central Massachusetts, custom aligners are planned and supervised in person by Dr. Giarrusso or Dr. Livanos. You get clinical eyes on your teeth, your bite, and your progress at every stage.
Here’s a quick preview of the 7 steps ahead:
- Free consultation and candidacy check
- Digital 3D scan (or traditional impressions)
- Custom treatment planning and digital preview
- Aligner manufacturing and delivery
- First fitting appointment with attachments and wear instructions
- Progress check-ins and any refinements
- Retainers and long-term care
Most of our patients receive their first set of aligners within 2 to 4 weeks after their treatment plan is approved. Now let’s break down what happens at each step.
Step 1: Initial Consultation and Candidacy Assessment
Your first visit is a free consultation. This is where Dr. Giarrusso or Dr. Livanos gets to know you, learns your goals, and checks whether clear aligners are the right fit.
Here’s what typically happens:
- A gentle oral exam and bite evaluation
- Digital X-rays if needed
- A conversation about your smile goals, lifestyle, and medical history
- An honest answer about whether clear aligners or another option best fits your case
- A summary of what’s next if you decide to move forward
Clear aligners work well for many people. That said, a few conditions may point us toward a different option, like:
- Severe tooth rotations
- Certain skeletal bite issues
- Some bridge configurations
- Very short clinical crowns that can’t hold aligners well
If aligners aren’t the best match, we’ll walk you through your options. That may include clear braces or metal braces, so you leave knowing exactly what’s possible, including choosing between metal and ceramic braces if traditional braces are the better fit.
Step 2: Digital 3D Scan or Traditional Impressions
Once you’re a candidate, we’ll capture a precise model of your teeth. In most cases, that means a digital 3D scan using an intraoral scanner.
Does the scan hurt? No. There are no trays, no putty, and no gagging. A small wand glides around your teeth and takes thousands of images to build a 3D model on-screen. Most scans take 5 to 10 minutes.
What you can expect at the scan appointment:
- You’ll sit comfortably while the scanner captures your upper and lower arches
- You’ll see your teeth appear on the screen in real time
- If a section needs a retake, we simply rescan that area, no starting over
- Traditional putty impressions are still an option if a digital scan isn’t ideal for your case
Digital scans are more accurate than putty impressions and far more comfortable. That accuracy is a big part of why custom in-office clear aligners fit so well.
Step 3: Custom Treatment Planning and Digital Preview Approval
Now the planning work begins. Your 3D scan is uploaded to treatment planning software, and Dr. Giarrusso or Dr. Livanos maps out how your teeth should move, tooth by tooth, week by week.
You’re not just handed a set of trays. Your clinician:
- Reviews the starting position of every tooth
- Plans the sequence and direction of movements
- Decides where attachments or IPR (small polishing between teeth) may be needed
- Fine-tunes the final bite so your teeth meet correctly
Before anything is manufactured, you’ll see a digital preview of your projected outcome. You can watch your teeth move from where they are today to where they’ll end up. If something doesn’t feel right, we adjust the plan first, then order.
This approval step is one of the biggest reasons in-office custom aligners deliver such reliable results.

Step 4: How Clear Aligners Are Made, Manufacturing and Delivery Timeline
Once you approve your treatment plan, your aligners head into production. Each tray is made specifically for your teeth using a mix of 3D printing and thermoforming.
Here’s the general clear aligner treatment timeline for this stage:
- Plan is submitted to the lab after your approval
- Aligners are 3D printed, trimmed, and polished
- Each set goes through quality control
- Trays ship back to our office
- We call you as soon as they arrive
Most patients wait about 2 to 4 weeks between plan approval and their first fitting appointment. During that time, you can keep living your normal life, no restrictions.
Step 5: First Fitting Appointment: Attachments, IPR, and Wear Instructions
Your first fitting is where clear aligners become real. This visit usually takes 45 to 60 minutes, and you’ll walk out wearing your first tray.
Here’s what happens:
- Attachments: Tiny tooth-colored bumps are bonded to certain teeth. They give the aligners something to grip so specific movements can happen. They’re barely noticeable and come off at the end of treatment.
- IPR (if needed): A small amount of polishing between select teeth to create room for movement. It’s quick and comfortable.
- Tray insertion: Your clinician places your first aligner and checks the fit.
- Practice: You’ll practice putting your aligners in and taking them out before you leave.
Before you head home, we’ll go over your wear and care guide:
- Wear your aligners 20 to 22 hours a day
- Take them out only to eat, drink anything other than water, and brush
- Rinse aligners with cool water after removing them
- Brush and floss before putting them back in
- Store them in your case, never in a napkin
- Switch to the next tray on the schedule we give you
Many people feel some pressure or tightness for the first day or two on a new tray. That’s a good sign, it means your teeth are moving.
Step 6: Progress Check-Ins and Refinements
Custom aligners need regular check-ins to stay on track.
At Central Mass Orthodontics, you’ll typically visit us every 6 to 10 weeks. At each visit, Dr. Giarrusso or Dr. Livanos will:
- Check that your aligners are seating fully
- Confirm tooth movements are matching the plan
- Adjust or add attachments if needed
- Answer any questions you have
Some patients also use remote monitoring apps between visits. You take a quick scan of your smile with your phone, and our team reviews it. It’s a good option if your schedule is tight.
What if an aligner doesn’t fit correctly? It happens. If a tray isn’t seating, don’t panic. Call us. Depending on where you are in treatment, we may have you back up a tray, use chewies more often, or plan a refinement.
Refinements are extra sets of aligners made from a new scan to fine-tune the final result. They’re common and completely normal, they’re how we make sure your smile is exactly right before we finish.
Step 7: Retainers and Long-Term Maintenance
When your last aligner comes out and your attachments come off, you’ll get to see your new smile in full. But there’s one more important step: retainers.
Teeth naturally want to drift over time. Retainers keep them right where you and your clinician planned.
Here’s what to expect:
- Custom retainers made from a final scan of your finished smile
- A wear schedule that usually starts full-time, then transitions to nighttime only
- Simple cleaning with a soft brush and cool water
- Replacement every few years, or sooner if they wear out
- Follow-up visits to make sure your smile stays stable
Retainers are how you hold onto the results you worked for. Wearing them as directed is the single best thing you can do to keep your teeth from shifting back.
Frequently Asked Questions About the Clear Aligner Fitting Process
How long does the first fitting appointment take? Your first fitting typically takes 45 to 60 minutes. That gives us time to place attachments, complete any IPR, insert your first aligner, and walk you through wear and care instructions so you leave feeling confident.
Does the digital 3D scan hurt? No. The digital 3D scan is painless. A small wand glides around your teeth to capture images, with no trays, putty, or gagging involved. Most scans take just 5 to 10 minutes.
How soon do I get my aligners after the scan? Once you approve your treatment plan, aligners are usually ready in about 2 to 4 weeks. We’ll call you as soon as your trays arrive at our office so we can schedule your first fitting.
What are attachments and do I need them? Attachments are small tooth-colored bumps bonded to certain teeth. They help aligners grip and move teeth precisely. Not everyone needs them, but many patients do. They’re barely visible and are removed once treatment is complete.
Can I get aligners if I have crowns or bridges? Sometimes, yes. Crowns often work well with aligners. Bridges are trickier because they connect multiple teeth. Dr. Giarrusso or Dr. Livanos will evaluate your specific situation at your free consultation and let you know your options.
How often will I need check-in visits? Most patients visit us every 6 to 10 weeks during treatment. Remote monitoring may also be available between visits, depending on your case.

Ready to Get Fitted for Custom Clear Aligners?
Here’s a quick recap of the 7 steps to your new smile with custom clear aligners:
- Free consultation and candidacy check
- Digital 3D scan
- Custom treatment planning and preview approval
- Aligner manufacturing and delivery
- First fitting with attachments and wear instructions
- Progress check-ins and any refinements
- Retainers and long-term care
In-office custom aligners give you something mail-order kits can’t: a plan built for your teeth, hands-on clinical care, and a team that’s with you from your first scan to your final retainer.
If you’re ready to see if clear aligners are right for you, we’d love to meet you. Get started with a free consultation with Dr. Giarrusso or Dr. Livanos at Central Mass Orthodontics, the place for easy treatment & beautiful smiles.