Invisalign® is a non-intrusive way to correct misaligned teeth. Using a series of sequential, almost invisible tray aligners, Invisalign gently shifts teeth into better positions to align smiles. Since the introduction of Invisalign, more than 12 million perfect smiles have been discovered.

How Does Invisalign Work?

Invisalign treatment begins with an initial consultation. During this appointment, the doctor will evaluate X-rays, digital images of your mouth, and perform an oral examination. Using this information, the doctor will create a treatment plan for you, outlining the steps of the entire process.

Invisalign uses a system of gentle pressure to push teeth into the proper position. In order to do this effectively, the trays must be worn for 20 to 22 hours each day. You will receive a series of alignment trays with instructions on when you should shift into the next set in the sequence. Although most treatment plans call for a tray change about every two weeks, some treatment plans call for a weekly shift.

The trays are constructed using SmartTrack® material. They are custom fit for every patient using complex digital intraoral scanning equipment (the iTero® scanner) and ClinCheck® software. This combination of technology allows the doctor to map out the entire course of treatment and even provides a finished smile portrait.

Invisalign Orthodontics treatment, Methuen MA
Invisalign Orthodontics treatment, Methuen MA

How Long Does Invisalign Treatment Take?

Every smile is unique, which means that every treatment plan is different. The factors involved in determining treatment duration include:

  • The degree of correction necessary.
  • Age of the patient.
  • The health of the patient.

With minor alignment corrections, Invisalign treatment can be as short as three to six months. For most patients, the average treatment duration ranges from 12 to 18 months. In complex cases, treatment can take as long as 24 to 36 months.

What Can Invisalign Fix?

When Invisalign was originally introduced, it was only capable of correcting minor alignment issues. Since then, Align Technology has continuously worked to improve the process. Now, 23 years after the introduction, there are very few issues that Invisalign cannot correct.

Invisalign has been very effective in correcting the following issues, whether minor or complex.


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