You can check your Invisalign suitability for treatment by completing the quick questionnaire below. 1. How old are you? Please selectUnder 1819 – 2425 – 3031 – 4041 and above 2. What is your gender? Please select GenderMaleFemale 3. Which of the pictures below best represents your current smile? Crowding Spacing Underbite Cross bite Overbite Midline Shift 4. Have you had previous orthodontic treatment? Please selectNoYes Please select type of treatment Please selectBracesInvisalignInternal bracesOther Did you complete your treatment in the past 12 months? Please selectYesNo 5. What is your postal code?