How clear aligner works

Clear aligners are removable devices to correct misaligned teeth. Each clear aligner is custom-made according to the clinician’s treatment plan, gradually moving the teeth to the ideal position for a beautiful smile. The following is the average number of steps and treatment period.

Term Short-term Mid-term Long-term
Steps 6 steps 12 steps 24 steps
Treatment 12 weeks 24 weeks 48 weeks


The lack of space for all the teeth to fit normally within the jaws.


An excess of space for teeth which results in gaps between teeth.

Cross bite

A misalignment of teeth, where upper teeth fit inside of lower teeth.

Open bite

A malocclusion in which teeth do not make contact with each other.


Excessive horizontal overlap between upper and lower front teeth.