How Long Will Invisalign Treatment Take?

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How Long Will Invisalign Treatment Take?

Invisalign is an inconspicuous orthodontic appliance that straightens your teeth without any metal or wires. Read on to find out how long your Invisalign process will take.


Invisalign treatment is comprised of a series of clear plastic aligners that straighten your teeth in small increments over a period of time.

The average course of Invisalign treatment for adults is about a year, and a bit longer for teens. Each patient is different, and there are a variety of factors that may impact the duration of your particular treatment.

The Severity of Your Misalignment

Unsurprisingly, if your teeth are severely misaligned, it will take longer for Invisalign to straighten them. As with any other orthodontic treatment option, the severity of your misalignment will have a significant impact on how long your Invisalign treatment will take.

The Number of Aligners in your Series

Each set of aligners in your series is switched out to the next one on a bi-weekly basis. If you already know how many aligners there are in your series, then you can just do the math:

Let’s assume you have 16 sets of aligners.

You have to switch them out every two weeks, so that’s two sets of aligners each month.

16 divided by 2 is 8, so that means your treatment will last you 8 months.

Your Compliance to Treatment

Your actions and choices play a significant role in the duration of your treatment as well. Your dentist will give you an estimate of how long your treatment will take, and it's up to you to make sure it doesn't take longer. You can do that by wearing your aligners exactly as your dentist prescribes.

During treatment with Invisalign, you must wear your aligners full time to ensure things stay on track. "Full time", in this case, means 22 hours a day of aligner wear each and every day for the duration of your treatment.

The more compliant you are with this, the quicker the treatment will go. Only take out your aligners to eat, brush, and floss, and don't forget to put them back in!

Are you Using AccleDent?

AcceleDent is a supplementary device that uses soft pulse technology and cyclic forces to accelerate tooth movement by up to 50% during orthodontic treatment.

Ask your dentist about whether this device is right for you.

How long will it be before I start noticing results?

Most patient will start seeing results around the 4 - 6 week mark. You may find it helpful to to take a picture of your smile each week, so that you can see how your teeth change over time.

Interested in getting started with Invisalign?

As a Straight Smile Centres Member Practice, you can count on our general dentists to help you achieve the straight, even smile you've been dreaming of.

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