ABO Orthodontics study guide
ABO Orthodontics · Work through your exam, one topic at a time.
ABO board certification is a professional credential awarded by the American Board of Orthodontics, which the source describes as founded in 1929 as the first specialty board in dentistry, partnered with the American Association of Orthodontists, and recognized by the National Commission on Recognition of Dental Specialties and Certifying Boards as the national certifying board for Orthodontics and Dentofacial Orthopedics. It is aimed at orthodontists who want to demonstrate achievement beyond licensure; the ABO frames certification as "a seal of achievement and commitment" and reports that more than half of all AAO orthodontists are now ABO-Board Certified, with certification at 68.7%. Holders are formally endorsed to display the standardized "ABO-Board Certified" credential. Preparation should be built around the ABO's own published pathways: the Become Certified section, Renew Certification, the Pathway Program, and the Downloads and Resources page, supplemented by the ABO blog (Across the Board) and its presentations. The ABO Orthodontics study guide has 2 sections and about 621 words.
01Orthodontics and Dentofacial Orthopedics: Core Clinical Reasoning
Questions probe whether you can move from a finding to a defensible diagnosis, treatment plan, and biomechanical rationale. The concepts that recur: growth and development timing (cervical vertebral maturation, peak pubertal growth, remaining mandibular growth), cephalometric interpretation (SNA, SNB, ANB, Wits, mandibular plane, incisor inclinations), dental development and eruption chronology, space analysis (arch length discrepancy, Bolton ratios), classification of malocclusion, and the biomechanics of appliance systems - moment-to-force ratios, anchorage, friction, and the geometry of force vectors.
334 words, about 2 min02Board Certification Process: Case-Based Clinical Assessment
This domain assesses how you present and defend clinical judgment. Expect questions on case documentation (records, radiographs, photographs, models), treatment-planning rationale, outcome assessment (peer assessment rating, objective grading systems, cephalometric superimposition), informed consent, and recognition of complications and retention strategy.
287 words, about 1 min