Invisalign is a modern orthodontic treatment that uses a series of clear, custom-made aligner trays instead of traditional metal brackets and wires. Each aligner applies gentle, continuous pressure to move your teeth step by step, following a treatment plan designed specifically for you.
Understanding what happens at each stage of Invisalign treatment can help you feel more prepared, work more effectively with your dentist, and get the results you’re hoping for. Here’s a breakdown of the 6 main stages of Invisalign treatment.
How Does the Invisalign Process Work?

Invisalign’s official treatment process is built entirely on digital technology. Your dentist takes a 3D scan of your teeth, uses ClinCheck® software to map out your treatment plan, and designs a personalized set of aligners just for you.
Throughout treatment, you’ll switch to a new aligner on a set schedule and come in for regular check-ups so your dentist can track how your teeth are moving. Once your teeth reach their final position, you’ll need to wear a retainer to keep your smile stable.
The 6 Stages of Invisalign Treatment
Stage 1: Initial Consultation and Dental Assessment
This first step lays the groundwork for the entire treatment and plays a huge role in how successful it will be. Your dentist will do a full check of your teeth, bite, gums, and jawbone. You’ll also get X-rays and photos of the inside and outside of your mouth, along with a digital scan of your teeth using an intraoral scanner.
Based on all this information, your dentist will figure out:
- How misaligned your teeth are
- Whether Invisalign is the right fit for you
- How long treatment is likely to take
- What the treatment will cost
If your dentist finds any issues like cavities, gum inflammation, or periodontal disease, these will be treated and resolved first, before orthodontic treatment begins.
Stage 2: Building Your Personalized Treatment Plan with ClinCheck®
Once your dentist has all the necessary data, they’ll use ClinCheck® software to build a 3D treatment plan. This software maps out exactly how each tooth will move from its current position to its final position. You’ll actually get to preview what your future smile will look like before treatment even starts.
During this stage, your dentist will work out important details like:
- How many Invisalign aligners you’ll need
- The estimated length of your treatment
- The order in which each tooth will move
- Any extra techniques needed, such as attachments or IPR (interproximal reduction)
One thing that makes Invisalign stand out is that every treatment plan is fully personalized — no two patients’ plans are exactly alike.
Stage 3: Receiving Your Aligners and Starting Treatment

Once your aligners are ready, you’ll come back to the clinic to pick up your first set. During this visit, your dentist will:
- Check how well the aligners fit
- Show you the correct way to put them in and take them out
- Explain how to clean both your aligners and your teeth
- Go over your schedule for switching aligners and coming in for check-ups
In some cases, your dentist may also attach small tooth-colored composite bumps called “attachments.” These help the aligners grip your teeth better and allow for more complex tooth movements.
If extra space is needed for your teeth to shift, your dentist might perform IPR — a procedure that involves very slightly filing down the enamel between teeth, done carefully and only where clinically appropriate.
Stage 4: Teeth Shifting with Each New Aligner
This is the longest stage of the entire Invisalign journey. You’ll switch to a new aligner according to your dentist’s schedule — typically every 7 to 14 days, depending on your treatment plan. Each new aligner applies gentle, steady pressure that moves your teeth little by little.
To get the best results, your dentist will likely recommend
- Wearing your aligners for 20–22 hours a day
- Only taking them out to eat or brush/floss
- Cleaning your aligners every day
- Never changing your aligner schedule on your own
Sticking to the recommended wear time really matters. If you don’t wear your aligners long enough each day, your teeth may move more slowly than planned, or might not end up exactly where they’re supposed to.
Stage 5: Regular Check-Ups and Adjustments as Needed
Throughout your treatment, you’ll have regular check-up appointments. At each visit, your dentist will:
- Check how much your teeth have moved
- Make sure your current aligner still fits properly
- Monitor the health of your teeth and gums
- Adjust your treatment plan if needed
In some cases, after finishing the original set of aligners, you may need what’s called “refinement.” This means getting an additional set of aligners to fine-tune your tooth positions and perfect your bite. Needing refinement doesn’t mean your treatment failed — it’s actually a fairly common part of Invisalign treatment, especially for cases that need a high level of precision.
Stage 6: Finishing Treatment and Wearing a Retainer
Once your teeth have reached their target position, your dentist will officially wrap up your active treatment. But this isn’t quite the finish line yet. Your jawbone and the ligaments around your teeth still need time to settle into place, so you’ll need to wear a retainer as instructed by your dentist.
If you don’t wear your retainer as recommended, there’s a real risk your teeth could shift back toward their original position. For Invisalign patients, many dentists recommend Vivera™ retainers or another suitable retainer type to help keep your results looking great for the long haul.
Tips for a Smooth Invisalign Experience
To get the best possible results from your treatment, keep these tips in mind:
- Wear your aligners for a full 20–22 hours every day
- Switch to your next aligner exactly on the schedule your dentist gives you
- Brush your teeth after every meal before putting your aligners back in
- Avoid drinking hot beverages while wearing your aligners — high heat can warp the material
- Show up to every check-up appointment so your dentist can track your progress
- Never jump ahead to a new aligner without your dentist’s go-ahead
Invisalign Pricing at My Smile Dental Clinic

Pricing for clear aligner treatment at My Smile Dental Clinic is broken down by treatment package. Invisalign packages range from 80,000,000 VND to 130,000,000 VND, depending on how complex your case is. The clinic also offers 3D Speed and 3D Express packages, priced from 45,000,000 VND to 65,000,000 VND, which are a good option if you’re working with a tighter budget.
Your exact price will be confirmed by your dentist after an in-person consultation, based on your specific dental condition, treatment plan, and the number of aligners you’ll need.
| No. |
Aligner Type |
Price (VND/Package) |
| 1 |
3D Speed Clear Aligners – Level 1 |
45,000,000 |
| 2 |
3D Speed Clear Aligners – Level 2 |
55,000,000 |
| 3 |
3D Speed Clear Aligners – Level 3 |
65,000,000 |
| 4 |
3D Express Clear Aligners |
45,000,000 |
| 5 |
Invisalign Lite – Level 4 |
80,000,000 |
| 6 |
Invisalign Moderate – Level 5 |
100,000,000 |
| 7 |
Invisalign Comprehensive – Level 6 |
120,000,000 |
| 8 |
Invisalign Comprehensive Plus – Level 7 (Special, for severe misalignment requiring extractions) |
130,000,000 |
Note: Prices may vary depending on the specific clinic, treating dentist, and any additional costs that come up during treatment.General
Frequently Asked Questions
How long does Invisalign treatment usually take?
This depends on how complex your case is, but treatment typically involves switching aligners every 7–14 days over the course of several months to a couple of years.
Does Invisalign hurt?
You might feel some mild pressure or discomfort for the first day or two after switching to a new aligner — that’s normal and means the aligner is working. It’s usually much less uncomfortable than traditional braces.
Is refinement a sign that something went wrong?
No. Needing a refinement (extra aligners at the end of treatment) is quite common, especially for cases requiring precise results. It doesn’t mean the treatment failed.
Do I really need to wear a retainer after finishing treatment?
Yes. Your teeth can shift back toward their original position if you skip the retainer, since your jawbone and ligaments need time to fully stabilize after treatment ends.
How much does Invisalign cost?
At My Smile Dental Clinic, Invisalign packages range from about 80,000,000 to 130,000,000 VND, depending on case complexity. Your dentist will give you an exact quote after your consultation.
See more: A collection of real customer reviews after finishing their braces treatment, shared on My Smile Dental Clinic’s official Facebook page.
Before-and-after photos of customers at My Smile Dental Clinic


