What Happens If You Don’t Wear Invisalign for 22 Hours?

Invisalign aligners are generally recommended for approximately 20 to 22 hours of daily wear, according to the treating professional’s instructions. The aligners must remain in contact with the teeth for sufficient time to support the planned orthodontic movements. Wearing them for fewer hours than prescribed may interfere with treatment progress, affect aligner fit, or increase the need for adjustments. The consequences depend on how long the aligners were not worn, the stage of treatment, and the movements being performed. Missing several hours does not necessarily mean that treatment has failed. However, patients should not independently skip ahead to the next aligner or change their prescribed schedule to compensate. If an aligner no longer fits correctly or wear time has been substantially interrupted, the treating orthodontist should provide instructions.