Invisalign is an alternative to braces for orthodontic movement of the teeth. Hence, the best person to check if you are a candidate for invisalign is Dr. Khakhria or your neighborhood orthodontist. An orthodontist will have spent an additional 2 or more years after dental school, in a residency focusing on orthodontics. Dr. Khakhria will check to see which tooth movements will be needed to give you the best result. And then he has to decide if those moves are possible using invisalign therapy.