How Long Does Clear Aligner Treatment Take?

Most clear aligner treatment takes between 6 and 18 months, depending on how much movement your case requires. Minor spacing or crowding can sometimes be corrected in a few months, while more involved cases take closer to a year or more.

What Determines Treatment Length

Starting alignment:

Mild cases move faster than more complex ones.

Compliance:

Aligners need to be worn 20–22 hours a day to stay on schedule — inconsistent wear extends treatment.

Case type:

Certain movements (like rotating a tooth or closing larger gaps) take longer than others.

Aligner material:

Spark's TruGEN™ material is designed for more efficient force retention, which Ormco reports can support more effective tooth movement compared to the leading aligner brand in some cases.

What Treatment Looks Like Week to Week

Most patients change to a new aligner set roughly every one to two weeks, with periodic in-office check-ins to confirm progress matches the treatment plan. If anything is off-track, adjustments can be made early rather than at the end.

Getting an Exact Timeline

Your specific timeline depends entirely on your case, which is why online estimates are only a starting point. A free consultation and digital scan will give you a projected treatment length specific to your smile.

Frequently Asked Questions

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