The consequences of curricular imbalance
This divergence carries profound implications. As dentistry faces workforce shortages and widening disparities in oral-health access, hygienists increasingly deliver frontline preventive care in community clinics, schools, and long-term care facilities. Yet, dental graduates—who are expected to supervise or collaborate with these professionals—often lack equivalent training in the very preventive modalities central to today’s oral-health delivery system.
The result is a hierarchical incongruity: hygienists are highly trained in nonsurgical, evidence-based care, while dentists—whose education confers ultimate clinical authority—may have minimal exposure to such approaches. This imbalance restricts collaborative efficiency, limits the profession’s preventive impact, and perpetuates outdated models of care that prioritize restoration over preservation.
Pedagogical progress in dental hygiene
Modern dental hygiene programs have embraced competency-based education (CBE) long before many dental schools adopted similar frameworks. CODA’s hygiene standards explicitly define competencies, outcomes, and psychomotor benchmarks, requiring demonstration of mastery prior to graduation.
Instructional design reflects adult-learning theory3,6:
Experiential scaffolding: Students progress from simulation to live-patient care under guided reflection.
Metacognitive feedback: Journals, peer review, and self-assessment cultivate reflective practitioners.
Interdisciplinary assessment: Clinical decision-making integrates pharmacology, radiology, and periodontology, mirroring authentic clinical complexity.
In contrast, dental education often measures progress through procedural quotas (e.g., number of restorations or extractions), a legacy of apprenticeship models that prioritize production over reflection. The hygienist’s pedagogical framework—rooted in neuroscience and adult-learning principles—may therefore represent a more contemporary model for professional formation across oral health disciplines.
Toward integrated reform
Reform efforts must recognize that oral-health outcomes depend on preventive competence as much as restorative skill. Modernizing dental curricula requires aligning them with the preventive science already embedded in dental hygiene education. This means:
Embedding nonsurgical periodontal competencies within all predoctoral programs, not as electives but as measurable graduation requirements
Integrating interprofessional and behavioral science instruction, including motivational interviewing and health-coaching certification
Expanding faculty development in adult-learning theory, simulation pedagogy, and formative assessment
Leveraging dental hygiene faculty expertise to redesign prevention curricula for dental students—bridging the artificial divide between “doctor” and “hygienist”
If the dental profession aspires to lead population-health initiatives, it must learn from the educational advances pioneered within dental hygiene.
Conclusion
The evolution of dental hygiene education illustrates a broader truth in health professions education: scientific progress alone does not ensure pedagogical advancement. Hygienists now graduate with refined clinical and cognitive competencies that reflect the latest evidence in prevention, periodontology, and patient behavior. Dental education, meanwhile, remains anchored in a curative model.
Aligning the two requires not diminishing dentistry’s scientific rigor but elevating its preventive and educational dimensions to match the sophistication long demonstrated by the dental hygiene discipline. Only then can oral-health education truly embody a continuum—from prevention to restoration—guided by science, equity, and lifelong learning.
Editor’s note: This article appeared in the April/May 2026 print edition of RDH magazine. Dental hygienists in North America are eligible for a complimentary print subscription. Sign up here.
References
- Commission on Dental Accreditation (CODA). (2024a). Accreditation standards for dental hygiene education programs. American Dental Association. https://coda.ada.org/-/media/project/ada-organization/ada/coda/files/dental_hygiene_standards.pdf
- Taylor K, Marienau C. Facilitating Learning With the Adult Brain in Mind. Jossey-Bass; 2016.
- Brockett RG. Teaching Adults: A Practical Guide for New Teachers. Wiley; 2015.
- Commission on Dental Accreditation (CODA). (2022). Accreditation standards for predoctoral dental education programs. American Dental Association. https://coda.ada.org/-/media/project/ada-organization/ada/coda/files/2022_predoc_standards
- Herz MM,Schamuhn J, Krumm B, Bartha V. Student-performed periodontal therapy: retrospective cohort study on outcomes and related recommendations for enhancing undergraduate periodontal education. J Dent Educ. 2025;25(1130). doi:10.1186/s12909-025-07699-2
- Knowles MS. Andragogy in Action: Applying Modern Principles of Adult Learning. Jossey-Bass; 1984.