You should be wearing your trays for 20 - 22 hours a day, including while you sleep. Your break time should be 40 minutes at a time, taking them our for eating, drinking, brushing, and flossing
Treatment time varies by person, but some people see results is 9 - 12 months, while others may take longer
Yes, it's common to notice a lisp or whistling sound when you first start wearing Invisalign. This is because of the gap between your teeth, but it will go away as your teeth get used to their new position.
No, you should remove your aligners for all meals, snacks, and drinks, except for water
The cost of Invisalign depends on the severity of the patient's oral health and dental condition. Coming into the office for a free Invisalign consultation is the best way to get pricing.