Your Magnolia Orthodontist and Invisalign Provider At Hanigan & Johnson Orthodontics in Magnolia, Texas. Not only do we love providing a professional service for all patients, but we have fun along the way to make your experience with us unforgettable. Our doctors and team are committed to creating beautiful smiles that last a lifetime. Hanigan & Johnson Orthodontics is a place where YOU matter to us! We strive to be a positive, happy force in our patient’s lives while having the privilege of creating their beautiful, healthy smiles. We promise you the right treatment at the right time in the most efficient and comfortable manner possible, while having a little bit of fun.