Are You Looking For The Best Invisalign in Petersham, Contact Richmond Orthodontics, The London Orthodontic Group consists of four Practices situated in four convenient locations across London. We are a dynamic group of state-of-the-art, modern, family-friendly Orthodontic Practices. We want to transform the way you look and feel about your teeth and smile.Our mission is to make certain that everyone we treat experiences a high level of service.