Invisalign works well with missing teeth, since there is no problem adding them into the tray so the space should not be visible when you are warring the trays
It is never a bad idea to wear a tray for few more days as it can only help the teeth move better with it. You should probably wear tray 5 for few more days, if the space is gone after that you can switch to 6 again
Mid Course Invisalign Correction is possible, especially if it has only been a week since you started your Invisalign treatment. Your dentist may or may not decide to make a new mold, but new aligners will need to be made to avoid the inverted smile arc. Because of the extra time involved, you...