The path to becoming an orthodontist is a specialized journey, representing one of the most rigorous educational sequences within healthcare. This profession focuses on the diagnosis, prevention, and correction of misaligned teeth and jaws. Aspiring practitioners must navigate a multi-phase educational process that extends years beyond the standard four-year college degree, beginning with a strong academic foundation before progressing to professional and advanced specialty training.
Phase 1: Undergraduate Degree and Pre-Dental Requirements
The educational groundwork begins with a bachelor’s degree. The specific major is often less important than completing a challenging science curriculum. Dental schools require specific pre-dental coursework, typically including two semesters each of biology, general chemistry, organic chemistry, and physics, all with corresponding laboratory components. Students often choose majors in biological sciences or chemistry because these fields align with the prerequisites, providing a solid scientific foundation for dental school.
Maintaining a high cumulative and science Grade Point Average is a significant factor in the competitive application process. Admissions committees also look for evidence of exposure to the profession through clinical experience. This involves shadowing licensed dentists and orthodontists, providing applicants with a practical understanding of patient care and practice management. This preparatory phase is completed over four years, culminating in the undergraduate degree and competitive application materials.
Phase 2: Earning the Doctor of Dental Surgery or Dental Medicine
The next stage involves four years of intensive study at an accredited dental school, resulting in either the Doctor of Dental Surgery (DDS) or the Doctor of Dental Medicine (DMD). Functionally, these two degrees are equivalent; the distinction depends only on the nomenclature chosen by the university. Both programs follow the same curriculum standards set by the Commission on Dental Accreditation (CODA) and prepare graduates for the same licensing examinations.
Admission is highly competitive, requiring applicants to perform well on the Dental Admission Test (DAT), a standardized examination administered by the American Dental Association. The DAT assesses knowledge in the natural sciences, perceptual ability, reading comprehension, and quantitative reasoning, providing schools with a uniform metric to evaluate candidates.
Once admitted, the curriculum is divided. The first two years focus heavily on basic biomedical sciences like anatomy, biochemistry, microbiology, and pathology, along with preclinical laboratory work. The final two years shift focus to clinical practice, where students treat patients under faculty supervision across various disciplines of general dentistry. Coursework covers topics such as restorative dentistry, periodontics, prosthodontics, and oral surgery. Upon completion of this four-year program, the graduate is a licensed general dentist qualified to perform standard dental procedures, but lacks the specialized training required to practice as an orthodontist.
Phase 3: The Specialized Orthodontic Residency and Master’s Degree
To transition to a specialist, the graduate must be accepted into a highly selective, CODA-accredited orthodontic residency. This step requires an additional two to three years of full-time, focused training after dental school. The residency application process is exceptionally competitive, as there are significantly fewer residency slots available than graduates seeking specialty training.
The residency curriculum focuses intensely on dentofacial orthopedics and the mechanics of tooth movement, building upon foundational knowledge. Residents study craniofacial growth and development, biomechanics, treatment planning for complex malocclusions, and the use of various corrective appliances. Clinical training involves managing patients with diverse orthodontic needs, providing the hands-on experience necessary to diagnose and treat alignment and bite issues.
Successful completion results in a Certificate of Orthodontics, certifying the practitioner as a specialist ready for licensure. Most residency programs also require an academic component, such as an original research project and thesis. This leads to the simultaneous award of an advanced academic degree, typically a Master of Science (MS) or a Master of Dental Science (MDS). This combination of clinical certification and a research-based master’s degree solidifies the expertise distinguishing an orthodontist from a general dentist.
The Final Step: State Licensing and Professional Certification
Before an orthodontist can legally practice, they must obtain a license from the state board of dentistry. This requires holding a DDS or DMD degree and demonstrating competency by passing standardized examinations. The written component is satisfied by passing the Integrated National Board Dental Examination (INBDE), which assesses the ability to apply biomedical and clinical science knowledge to patient care scenarios.
A clinical assessment is also required, the format of which varies by state, often involving regional clinical board examinations that evaluate practical skills. Separately from mandatory state licensure, an orthodontist may pursue professional certification from the American Board of Orthodontics (ABO). This voluntary credential signifies a commitment to achieving a high standard of clinical excellence.
Achieving ABO certification requires passing a written examination and a scenario-based clinical examination. This evaluates diagnostic abilities, treatment planning, and the quality of finished patient cases. While board certification is not legally required to practice, it is a significant professional achievement demonstrating the orthodontist has been vetted by their peers. To maintain this status, renewal is required every ten years, ensuring they remain current with advancements in the specialty.
Expected Timeline and Financial Commitment
The total time commitment to become a licensed orthodontist is substantial, typically spanning 10 to 12 years beyond high school. This timeline encompasses four years for the undergraduate degree, four years for dental school (DDS or DMD), and two to three years for the specialized orthodontic residency program. This extensive education delays entry into full-time professional employment.
The financial commitment is equally considerable, stemming from tuition, fees, and the cost of living over more than a decade of education. Dental school alone can cost several hundred thousand dollars, with residency tuition adding substantial expense. This financial outlay is compounded by the opportunity cost of lost earning potential during training, making the pursuit of this specialty a major economic decision.

