How do Invisalign aligners work?

On the invisalign web site they talk about Invisalign aligners custom-made for your teeth. How do these invisalign retainers work? 

2 answers to “How do Invisalign aligners work?”

A: Invisalign - moving teeth with trays

Lance Timmerman, DMD

Aligners work by putting forces on teeth in very small doses as dictated by trays resembling bleaching trays. Each tray can move a tooth an average of 0.2 mm and can also move individual teeth. A computer CAD/CAM system visualizes the planned movement and figures out how many aligners would be needed to... more

A: Invisalign: How it gets its move on

Ryan Sellinger, DMD

Invisalign is a series of aligners that incrementally move teeth as prescribed by the dentist based on the required results of the patient. The aligners are replaced every two weeks... each aligner moves the teeth a little more towards the goal of straightening the teeth. In our office, once all the... more

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