Is it okay to wear Invisalign for 14-15 hours per day and wear each aligner for 3 weeks instead of 2?

Question

Is it okay to wear invisalign for 14-15 hours per day, and wear each aligner 3 weeks instead of 2? 22*14= 308 hours per aligner 15*21=315 hours per aligner Hoping for answers :)

David Hornbrook, DDS, FAACD · Answer

If you have spent or are going
to spend the time and money to do Invisalign, you really should use it as
intended. The system is designed to place constant movement on the teeth. 
As teeth are moved into position using the Invisalign trays (Aligners), the
bone around the roots of the teeth modify to accept the tooth movement. 
If you do not wear the trays 22-24 hours a day, the remodeling of the bone and
proper movement and stabilization will not occur.  It is not the number of
total hours that is the key ingredient in success, it is the constant force
that is being applied to the teeth

Is it okay to wear Invisalign for 14-15 hours per day and wear each aligner for 3 weeks instead of 2?

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