Dr. Sonahita Agarwal says "I am an Invisalign Certified Orthodontist with over 11 years of experience. I work as a Professor in the department of Orthodontics in one of the reputed colleges in Lucknow. I have published many papers and given guest lectures in many national conferences. My work is my passion. I have treated all kinds of cases with metal, ceramic (tooth coloured), lingual orthodontics and clear aligners."