Orthodontics has evolved dramatically over the last two centuries. Innovations in appliances, classification systems, materials, and digital technology are built on the work of many individuals. Here are several orthodontists whose contributions have had lasting influence on the field.
Often called the “Father of Modern Orthodontics,” Edward Angle laid foundational work for orthodontics as a specialty. He established systems for classifying malocclusion (Angle’s Classes I, II, III), founded schools of orthodontia, and standardized appliances and techniques. Wikipedia
An Australian orthodontist who introduced what became known as the Begg Technique, notable for using lighter forces and staging treatment in phases to move teeth with greater control. His work helped shift orthodontics toward more efficient and gentler mechanical approaches. Wikipedia
A trailblazer both clinically and socially, Renfroe advanced the concepts of preventive and interceptive orthodontics. He also broke racial barriers—being one of the first African‑American orthodontists to gain prominence, teach, and travel internationally to educate others. Wikipedia
Irish orthodontist known for being an early professor of orthodontics in Europe. He played a key role in professionalizing the practice of orthodontics in the UK and was a major force in developing teaching, research, and use of new materials—e.g., the adoption of stainless steel in orthodontic appliances. Wikipedia
While not a clinician in the traditional sense, Chishti co‑founded Align Technology and introduced Invisalign—the clear aligner system that transformed how many orthodontic patients are treated. His innovation shifted mainstream orthodontics toward digital planning and removable aligners. MI Dental+1
A more recent figure, Dr. Rizkallah made waves for his work in changing how dental benefits are administered, improving patient access, and advocating for reforms in orthodontic coverage. His influence is less about mechanics and more about health policy and patient equity. incisaledgemagazine.com
Looking across these names, several themes emerge in what makes someone truly influential in orthodontics:
Foundational systems: Those who developed classification systems, treatment philosophies, appliance designs that are still taught today.
Technique innovation: Less force, new appliances, new wiring, extraction/non‑extraction debate.
Education and training: Founding schools, professional societies, influencing generations of clinicians.
Material and methodological advances: Better wires, brackets, lighter materials, better imaging.
Advocacy and leadership: Changing healthcare policy, broadening access, standardization of practice.
As digital workflows, AI, 3D printing, and clear aligner technologies become more refined, the next generation of orthodontic influencers are likely those who:
Push digital diagnostics (photogrammetry, CBCT)
Innovate in 3D printed direct‑print aligners and automation
Shape regulation and access in orthodontic care
Develop smart materials and biomechanics
Orthodontics stands on the shoulders of giants: individuals like Edward Angle, Raymond Begg, Earl Renfroe, and Sheldon Friel revolutionized classification, technique, materials, and teaching. In modern times, innovators like Zia Chishti and leaders like Dr. Rizkallah show how innovation can also address access, policy, and patient experience.
As the field continues to change, influence will come from those who balance clinical excellence with innovation and broader impact.