What is an Invisalign Passive Aligner

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Today’s question is “What is an Invisalign Passive Aligner?”

A Passive Aligner is something that rather than how a regular tray would move the teeth slightly, a passive aligner would keep the teeth in place without movement. It is usually used in such situations as say your bottom teeth do not need to move but your upper teeth do, a passive aligner would be placed on the bottom teeth with a regular tray on top.