Frequently Asked Questions

SmileDirectClub Clear Aligners

What are SmileDirectClub clear aligners?

Our clear aligner therapy includes several sets of tight-fitting, custom-made, BPA-free clear plastic trays that gradually shift teeth into their desired position.

How do SmileDirectClub clear aligners straighten teeth?

Our clear aligners come as a set of multiple aligners. Each aligner will make slight adjustments to tooth position, a process that is mapped out in advance by a SmileDirectClub affiliated, licensed dentist or orthodontist who reviews your case.* You’ll begin wearing a new set of aligners as prescribed, advancing you to the next stage of your new smile. We make it even easier by shipping your aligners directly to you.

What are SmileDirectClub clear aligners made of?

Our aligners are made of a smooth, comfortable, BPA-free plastic that won't irritate your cheeks and gums like traditional metal braces often do.

Are SmileDirectClub clear aligners trimmed in a scalloped fashion or straight across?

SmileDirectClub clear aligners are trimmed in a straight fashion across the top, allowing us to get optimal turning force to straighten your teeth. This also eliminates the need for buttons or attachments, which are generally considered unsightly or uncomfortable.

How do I know if I’m right for SmileDirectClub clear aligners?

Every SmileDirectClub order begins with a free Smile Assessment, followed by a remote impression kit or a free SmileShop appointment to determine if you are a candidate for treatment. The clear aligner system is designed for minor to moderate teeth correction, including space between teeth, crowding, rotations, and some bite correction. Am I A Candidate?

How long do I need to wait after having my wisdom teeth removed before I can start with SmileDirectClub?

If you're eligible for treatment, you will typically need to wait 6 weeks after having your third molars (or wisdom teeth) extracted before starting with SmileDirectClub clear aligners. You may be able to start earlier if your dentist provides a signed letter confirming that it is safe for you to undergo our treatment.

What if I still have my wisdom teeth?

If your dentist has recommended removal of wisdom teeth, then please follow their direction.

Am I a candidate for SmileDirectClub if I have an implant?

The licensed dentist or orthodontist treating you will review your smile and determine if SmileDirectClub aligners are the best fit for you.* If they determine you are not eligible for treatment, the cost of your impression kit will be refunded in full.

Can I use SmileDirectClub clear aligners if I have missing teeth?

The licensed dentist or orthodontist treating you will review your smile and assess your eligibility for SmileDirectClub aligner treatment.* If they determine you are not eligible for treatment, the cost of your impression kit is fully refundable.

Nighttime Aligners™

Is Nighttime Clear Aligner Therapy Safe?

Nighttime Clear Aligner therapy is a safe and effective path to a straighter smile. Like any clear aligner treatment plan, customers should follow their registered dentist or orthodontist’s prescription of 10 consecutive hours of wear per night. While the average time of treatment may be longer than the average 22-hour-a-day aligner therapy, this discreet and flexible alternative will safely achieve desired results.

How are Nighttime Clear Aligners different from SmileDirectClub’s traditional clear aligner treatment plan?

Nighttime Clear Aligners provide a more discreet, flexible treatment plan for customers with mild to moderate spacing and crowding issues. SmileDirectClub’s custom-made, BPA-free clear aligners will safely straighten your teeth with only 10 hours of continuous wear required each night. Traditional 22-hour-a-day clear aligner therapy is a faster option for customers seeking treatment for a scheduled event like a graduation or a wedding.

Will my teeth move more slowly because I am only wearing aligners at night?

Each aligner set is custom-made to safely move your teeth within the prescribed time provided by your licensed dentist or orthodontist.* Any deviation from the prescribed treatment plan is not advised.

Is SmileDirectClub the only company to offer Nighttime Clear Aligner treatment? 

Nighttime Clear Aligners is the first aligner system on the market that safely allows customers to wear clear aligners for only 10 continuous hours per night. Wearing Nighttime  Clear Aligners while you sleep is more convenient to many people's lifestyle.

Why should I try Nighttime Clear Aligners?

There are 3 key reasons to take advantage of SmileDirectClub’s Nighttime Clear Aligners.


Convenience: Customers can get the smile they’ll love while only wearing aligners for 10 hours per night.


Affordability:   Nighttime Clear Aligners cost up to 60% less than traditional braces. You can get a smile you love for a flat fee.


Accessibility: Customers using Nighttime Clear Aligners may have careers or lifestyles that preclude them from wearing aligners during the day. These customers now have the flexibility to only focus on straightening their teeth at night.


Nighttime Clear Aligner therapy provides a more discreet, flexible teeth straightening solution for customers who cannot commit to 22 hours of daily wear. 10-hour aligners are safe and very discreet to wear because customers only wear them at night and when they sleep.


Impression Kit & 3D Image Process

How do I choose between an impression kit or a scan?

A free 3D image appointment can be done at any SmileShop. During the 30-minute appointment, a SmileGuide will create a 3D image of your smile and send it directly to our lab to generate your custom treatment plan. This will then be reviewed and approved by a licensed dentist or orthodontist.* SmileShops are located across Hong Kong. Find one near you on our Locations page. If you are not located near a SmileShop, or if you’d rather get started remotely, we'll send a prescribed impression kit to your door. Simply use the kit to take impressions of your smile, then send the impression kit back to us. Return shipping postage is included. All you have to do is drop your completed kit in the post.

Where can I buy an impression kit or a new smile kit?

You can purchase an impression kit for HK$400 here.

Is the cost of my impression kit refundable?

Clear aligner therapy isn't right for everyone. That's why we'll refund the cost of your impression kit if the licensed dentist or orthodontist determines our low-risk clear aligner therapy treatment isn’t a fit for you.* Simply call our Customer Care team at 800969177 after learning about your eligibility, to have your refund processed.

I lost the registration code in my impression kit / new smile kit. What do I do?

We can help. Give us a call at 800969177 or send us a message via email, chat, or social media. All you'll need is your receipt. Simply provide the date of the purchase and your order number, and we can generate a new code for you.

What if I make a mistake on my impressions?

If our lab receives distorted impressions that prevent them from creating an accurate 3D image for our licensed dentist or orthodontist to assess your eligibility for treatment, we will contact you to send another impression kit.* We'll refund the price of the replacement impression kit at the time of aligner purchase.

Can someone walk me through using the impression kit?

We can help. Your all-in-one aligner box features an instructional booklet, but we also have video support here.

What is a SmileShop?

If you are eligible for treatment, it’s your first step to getting a straighter smile. During your visit, a SmileGuide will take a 3D image of your current smile, which will be used to create a treatment plan that will be reviewed and approved by a licensed dentist or orthodontist.* The best part is you only have to go once, and it’s just 30 minutes. Say goodbye to waiting rooms!

Where are SmileShops located?

Our SmileShops are located across Hong Kong. For a list of shops, visit our Locations page.

How do I schedule a scanning appointment?

Simply book a SmileShop appointment on our Locations page. You’ll be given a few dates and times to choose from, and our team will follow up to confirm your scheduled appointment.

What happens if I am late for my appointment?

Life happens, and sometimes you run late. Please call us at 800969179 and let us know when we can expect you to arrive at the SmileShop. We'll do everything we can to fit you into the schedule.

What if I need to reschedule my appointment?

Give us a call at 800969179 at least 24 hours before your appointment time to reschedule your appointment and avoid a cancellation fee.

How long does the scan take?

About 20 to 30 minutes, give or take.

How does the scanning technology work?

Our SmileGuides use a highly accurate 3D optical camera to capture an image of your smile, including your teeth and gumlines. This 3D image helps our licensed dentists and orthodontists determine if you are eligible for SmileDirectClub treatment and allows our lab to create a personalised treatment plan that is reviewed and approved by one of our licensed dentists or orthodontists.*

What are the SmileGuide's qualifications?

SmileGuides come from a variety of backgrounds and are trained to efficiently and accurately capture a 3D image of your smile. Some of our SmileGuides are licensed dental assistants or dental hygienists.* We actively monitor and evaluate the quality of their work – including your experience. Our SmileGuides are able to answer any questions you have about our service, our process, our technology, and most questions about straightening your smile using clear aligners.

What if I don't live or work near a SmileShop or can’t or don’t want to go to a SmileShop?

That’s no problem at all. We also offer an easy-to-use impression kit that can be mailed to your door, that includes an online photo assessment and dental impressions.

Treatment Process

Does a licensed dentist or orthodontist review my case?*

Yes. Every SmileDirectClub treatment plan is doctor-directed. Your plan is reviewed, approved, and prescribed by a licensed dentist or orthodontist.* This ensures your new treatment plan corresponds with the Standards of Care established by the dental professional community. Source.

How long is the typical treatment process?

The licensed dentist or orthodontist who reviews and approves your treatment plan will determine the required treatment length for your needs, but we straighten most smiles in an average of 4-6 months.*

Can I use SmileDirectClub clear aligners on only my upper or lower teeth?

It’s possible. The licensed dentist or orthodontist treating you will decide what the safest and best treatment option is for you.*

How do I use my Chewies?

We include Chewies with your aligners to help you get a tighter fit. Simply insert your aligners, put your Chewie between your teeth, and chew as if it were a piece of gum. Use your Chewies for 10–15 minutes at a time, 2–3 times per day.

Why don’t my aligners cover my molars?

Because we custom-make your aligners to fit your mouth, our goal is to make your aligners the appropriate size to realign your smile while being as unobtrusive as possible. Your aligners should cover at least one-third of each molar.

How often should I wear my aligners?

Wear your aligners all the time as directed by your prescribed treatment plan. Take them out for eating and drinking.

Will my teeth hurt during treatment?

Like muscle soreness after a good workout, wearing new aligners may cause short-term tooth soreness. This is perfectly normal. It is a sign that your aligners are working by moving your teeth into a straighter position. If soreness or pain doesn't go away, contact our Customer Care team at 800969177.

Are there any visits to a dental office during treatment?

Aside from regular dental cleanings and checkups, most SmileDirectClub customers do not need to visit their dentist's office during their clear aligner treatment for reasons related to the treatment.

What happens if I lose an aligner?

We understand that mistakes happen. For starters, give our customer care team a call at 800 969 177 so we can understand where you are in your smile journey and our dental team can provide the best recommendation for your care based on your unique situation. Your treating doctor and our dental team may advise you to wear your last set of aligners or to move on to the next set. If we determine you need a replacement aligner, we will send the first set to you for free. Subsequent replacement aligners may be subject to a HK$790 surcharge depending on the circumstances. Either way – give us a call and we’ll work with you to develop the best path forward for your treatment.

What happens after my clear aligner treatment is complete?

Protect your investment! We strongly recommend you safeguard your new smile with our custom-fit SmileDirectClub clear retainers. Without retainers, teeth have a tendency to shift back to their original positions. Keep them from moving back with our custom-fit retainers. One set costs HK$700 and is available to purchase towards the end of your treatment. Call our Customer Care team at 800 969 177 about 4–5 weeks before you finish your treatment plan to place your order.

How do I preserve my new smile after treatment?

As with any orthodontic treatment, you should wear a retainer regularly to maintain your new smile. You'll wear your retainers 24 hours a day (except for eating and drinking) for the first 2 weeks. After that, you should wear your retainers only while you sleep. We recommend replacing your retainers every 6 months to keep them fresh.

How do I change my email or mailing address on file?

Making changes to your account information is easy. Log in to your account on our website or call us at 800969177 to update your shipping address, email, phone number, or card on file. We’re happy to help you keep your contact information current.

Does my purchase include free teeth whitening?

Yes, it is included in the cost of your clear aligner therapy so you can brighten your smile while you straighten it.

How can I keep track of when to change my aligners?

You can keep track of your aligners by logging in to your account on our website. Click on your dashboard to enter the date on which you start wearing your first set of aligners and let the dashboard do the rest. Log in regularly to see when you’re scheduled to change to your next set, which aligners you should be wearing, and how many days and aligners you have left in your treatment plan. If you ever get off course because you forget to wear your aligners, you can always reset your dashboard by clicking the "Get Back on Track" button.


What's the Club warranty?

If at the end of your treatment plan, having followed the treatment guidelines, you haven’t achieved a straighter smile, contact us so your licensed dentist or orthodontist can re-evaluate your results.* If your re-evaluation is approved by the licensed dentist or orthodontist, you may be eligible for additional aligners to continue your journey.*


Don’t forget: You need to notify us within 30 days of completing your treatment plan for the warranty to remain valid.


To maintain your warranty:

  • wear your aligners all day and night, except when eating or drinking;

  • register your aligners at HK Patient Portal;

  • and respond to each virtual check-in by sending an email with the requested photos and fit information.

How much do SmileDirectClub clear aligners cost?

First, you’d get started with our HK$400 impression kit or a 3D image at a SmileShop. Once your new smile is ready, you have two convenient payment options. With Single Pay, make a one-time payment of HK$14,900, which is 60% less than our competitors.* You can also pay over time with SmilePay™ for a deposit of HK$2,000 and HK$675 a month for 24 monthly payments. No credit checks. No forms to fill out. At the end of treatment, you'll want to purchase retainers to preserve your new smile. We sell these for HK$700 a set. You can learn more about our clear aligner pricing by visiting our Pricing page.

What forms of payment are accepted?

We accept all major credit cards (Visa, Mastercard, and American Express).

Do you offer an affordable payment plan?

Yes. With SmilePay™, make an initial deposit of HK$2,000 and convenient monthly payments of HK$675 a month for 24 months. No credit checks. No forms to fill out. However, if you pay in one single payment, you can get your new smile for just HK$14,900.

Can I pay off my SmilePay™ early?

Yes. Call 800969177 and we'll be happy to help you process your payment for the remaining balance.

Is there a money-back guarantee?

If one of our licensed dentists or orthodontists determines that you are not eligible to undergo SmileDirectClub clear aligner treatment, we’ll gladly refund the cost of your impression kit.* If, within the first 30 days of your treatment plan, you’re dissatisfied for any reason, contact us to return your aligners. Learn more on our Returns page.

Can I combine discounts or offers on my impression kit or scan and treatment purchases?

No, sorry. You can only use one promo code per purchase.

What is Single Pay?

Single Pay is the payment option that offers our overall best value and lowest price. Save up to HK$3,300 over other payment options with a one-time payment of HK$14,900 and you'll be on your way to a smile you'll love.

What is SmilePay™?

SmilePay is our convenient monthly payment option. All we need to get started is a low deposit of HK$2,000. No credit checks. No forms to fill out. Then, we will charge your credit card HK$675 a month for 24 months.

What is HFD?

This is not currently available in Hong Kong.

Lifetime Smile Guarantee

What is the Lifetime Smile Guarantee™?

SmileDirectClub is committed to getting you the smile you’ll love, for life. With our Lifetime Smile Guarantee, if you feel your smile isn’t working out during – or at any point after – treatment, we’ll make it right, at no additional cost to you.


In the first 30 days of treatment:

If you decide that clear aligners aren’t for you within the first 30 days of receiving them, we’ll provide a full refund (shipping costs not included). Simply ship your remaining aligners back to SmileDirectClub. This 30-Day Money-Back Promise is part of our Lifetime Smile Guarantee.


The 30-day time period starts the day your aligners are delivered to you and you register them online in your account.


In the middle of treatment:

Your regular virtual Smile Check-ins™ are designed to track your progress. If you feel like something’s not right, or you’re not getting the results you expect, contact our dental care team. They will evaluate your treatment plan to determine if an update to your treatment plan and, possibly, additional aligners are necessary. If they are, we’ll create and ship new aligners, at no cost to you.


If you decide that clear aligners aren’t for you, outside of the first 30 days, you can still return your unused aligners for a prorated refund (based on the percentage of aligners returned unopened and unused). Please note: You are responsible for shipping costs when returning aligners.


After treatment:

As long as you replace your SmileDirectClub retainers every 6 months and wear them as prescribed, you'll qualify for a free aligner touch-up each year if you ever need one.

How do I return my aligners?

Follow these steps to return your aligners:

  • To ensure a full refund, make sure to return your unused aligners, in their original bags, within 30 days of receiving them.

  • Please note, you are responsible for shipping costs. We recommend using a trackable carrier such as FedEx or UPS. This way, even if a shipment is lost in transit, we can process your refund.

  • For address and further information, call 800 969 177.

What is the 30-Day Money-Back Promise?

Getting started with SmileDirectClub aligners is completely risk-free. Our 30-Day Money-Back Promise is designed to let you experience your aligners to ensure your satisfaction. If you decide SmileDirectClub aligners are not for you within the first 30 days, we’ll refund the full cost.


Impression kit

We’ll refund the cost of your risk-free impression kit if your treating licensed dentist or orthodontist determines our clear aligners aren’t a fit for you.



If you’re within the first 30 days and you’re not happy for any reason, you can return your unused SmileDirectClub clear aligners, and all payments you’ve made for the aligners will be refunded. The 30-day time period begins the day your aligners are delivered to you and you register them online in your account.


If you’re past the initial 30-day window and are not happy with your treatment, you can also return your unused SmileDirectClub aligners for a prorated refund for all unopened and unused aligners.


It’s that simple, and we’re that confident. But please note, you’re responsible for any shipping charges when returning your aligners.

How do I know if I’m eligible for the Lifetime Smile Guarantee™?

To remain eligible for the Lifetime Smile Guarantee, follow these steps.


During treatment:

  1. Register your aligners in your account online when you receive them.

  2. Wear your aligners for the prescribed amount of time

  3. Complete your regular virtual Smile Check-ins™

  4. Stay up-to-date on payments


After treatment:

  1. Replace your SmileDirectClub retainers every 6 months

  2. Wear your retainers every night as prescribed

I’ve completed treatment, but think I might need a little extra help to achieve my desired smile. What should I do?

During treatment, teeth can sometimes be stubborn and not shift as expected. This is completely normal. In fact, it’s why your licensed dentist or orthodontist conducts regular check-ins to track your progress.


When an adjustment might be needed, our dental team will re-evaluate your treatment plan. If an aligner touch-up is needed, we will create and ship new aligners, at no cost to you, so you don’t miss a beat.


If you’re unsure about asking for a touch-up, please contact us via phone call or email to speak with our customer care team.

How do I know if I’m eligible for an aligner touch-up?

You could be eligible for an aligner touch-up if you:

  1. Wear your aligners as prescribed throughout your treatment plan, except when eating or drinking anything other than cool water.

  2. Register your aligners at

  3. Respond to each regular Smile Check-in™ from your dentist by sending an email with the requested photos.

How do I request an aligner touch-up?

During treatment, if you’re concerned your teeth aren’t moving as expected, please contact us via phone call or email to arrange a Smile Check-in™ with our dental team.


Share your concerns with our team and ask about an aligner touch-up. They will evaluate your plan, and if it’s decided an aligner touch-up is needed, we will create and ship new aligners, at no cost to you.

I missed a check-in (or forgot to register my aligners or order retainers), and I’m not sure my Lifetime Smile Guarantee™ is still in effect. Is there anything I can do to become eligible again?

Things come up. We get it.

If you are currently in treatment, you will become eligible again as long as you:

  1. Check in your aligners (check your email to do this)

  2. Complete your future Smile Check-ins™ (via email)

  3. Are current on your payments

  4. Purchase SmileDirectClub retainers after treatment, replace them every 6 months, and wear them as prescribed


If you just finished treatment, you can become eligible again as long as you:

  1. Are current on your payments

  2. Replace your SmileDirectClub retainers every 6 months and wear them as prescribed


If you’re unsure whether you’re eligible, contact us to find out.

I completed treatment over 30 days ago. Why am I not eligible? 

Currently the Lifetime Smile Guarantee™ is for new Club members, Club members currently in treatment, and Club members who have finished treatment within the past 30 days.

Other frequently asked questions

What is the SMILECHECK™ system?

SMILECHECK is our proprietary technology system that connects you and your prescribing dentist or orthodontist who manages your treatment plan and dental case records. Through a secure provider portal, the doctor treating you can view images and dental impressions, and prescribe your treatment. These tools also equip SmileGuides, lab technicians, and Customer Care to manage your account. And SMILECHECK provides you, the customer, direct access to upload photos and images, manage your account, and view your treatment plan.

Is there a minimum age required to use SmileDirectClub clear aligners?

Our minimum age requirement is 12 years old, and patients must have all permanent teeth present, except for the upper right 3rd molar, upper left 3rd molar, lower right 3rd molar, and lower left 3rd molar. For patients under the age of 18, SmileDirectClub requires a parent or guardian's consent on the Medical / Dental History Form in order to proceed with clear aligner treatment.

Does SmileDirectClub ship internationally?

No. At the moment, SmileDirectClub clear aligners are only available to eligible customers in the U.S., Canada, Australia, the UK, New Zealand, Ireland, and Hong Kong.

Can I purchase impression kits for friends or family members?

Yes, you may purchase impression kits and aligners for more than one individual. The best way to do so is for each patient to have an account tied to a unique email address, regardless of who made the purchase. While we’re actively working to update our platform to allow a single user account to manage multiple customers, for now you will need to purchase each kit under a different email address to ensure proper prescription and monitoring of treatment. If you only have one email address, there are many free email services available that you can use.

I cancelled my SmileDirectClub account. Can I reopen it?

Yes. If you cancelled your order, you can restart with  SmileDirectClub at any time. To get started, submit another Smile Assessment by selecting Am I a Candidate?

I wasn’t eligible for treatment when I purchased my impression kit or SmileShop visit. I’ve since addressed the concerns (cavities, wisdom teeth, etc.). Can I use SmileDirectClub now?

If you’ve addressed the eligibility concerns raised by the licensed dentist or orthodontist, you may be able to restart the eligibility assessment process.* To get restarted, submit a new Smile Assessment by selecting Am I a Candidate?

What if I think my teeth need more movement at the end of my treatment plan?

We’re here to help you get a straighter, brighter smile. If you have followed the treatment plan as recommended by your licensed dentist or orthodontist and, at the end of treatment, you don’t achieve a straighter smile or the results you had hoped for, please contact us so your licensed dentist or orthodontist can re-evaluate your results.* If your re-evaluation is approved, you may be eligible for additional aligners to continue your journey. Learn more about our Club Warranty on the Returns page.