1. Preparing for National, Regional, and State Dental Hygiene Board Examinations 2. Histology and Embryology 3. Anatomy and Physiology 4. Head and Neck Anatomy and Physiology 5. Clinical Oral Structures, Dental Anatomy, and Root Morphology 6. Oral and Maxillofacial Radiology 7. General Pathology 8. Oral Pathology 9. Microbiology and Immunology 10. Prevention of Disease Transmission in Oral Health Care 11. Pharmacology 12. Biochemistry, Nutrition, and Nutritional Counseling 13. Biomaterials 14. Periodontics 15. Dental Hygiene Process of Care 16. Strategies for Oral Health Promotion and Disease Prevention and Control 17. Instrumentation for Client Assessment and Care 18. Management of Pain and Anxiety 19. Dental Hygiene Care for Clients with Special Care Needs 20. Community Oral Health Planning 21. Medical Emergencies 22. Ethical and Legal Issues Appendix A. Medical Terminology Appendix B. Professional Organizations of Interest to Dental Hygienists Appendix C. American Dental Hygienists' Association and Canadian Dental Hygienists Association Codes of Ethics