Orthodontic practice that has been serving the Northwest Houston area for over 20 years! Dr. Hanigan and Dr. Johnson are Board Certified Orthodontists. They are also Top 1% Invisalign Providers for Teens and Adults. Dr. Hanigan & Dr. Johnson also offer esthetic clear braces as well as the most advanced, efficient metal braces to give you the smile you deserve. We treat children, teens and adults. Consultations are free!