After Completing the Full Treatment with Invisilign How Long Do You Need to Use Retainers?

My daughter began Invisilign July 2009, (13)top (29)bottom.She finished her top set(13)but had go back to (11)as it was not seating properly.After(13)a retainer was made to wear at night.After a week she tried (13)again and noticed tooth movement.Her dentist suggested wearing (13) instead of the retainer.This was in March.She has only recently started wearing it night only and is waiting for the dentist to check for further movement.When will the teeth set without fear of movement?

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1 Doctor Answer | Asked by Concerned Mum in Northampton, England

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Fear of tooth movement in the future

Short answer: never. teeth will never be set enough that they have no risk of movement. Long answer: Everyone's bone density is different. Moving a tooth through bone from one place to another requires bone to be broken down and the gap, where the tooth used to sit, to be filled in. This takes time. Your best insurance is to make sure that your daughter is strictly following the doctors instructions. Be strict. This is truly your best way to protecting you investment and insuring... more