Introduction into the fundamental concepts, theories, and principles of dental hygiene practice. Theoretical background necessary for providing dental hygiene services to clients including the dental hygiene process of care (assessment, diagnosis, planning, implementation and evaluation), instrument selection, basic instrumentation, and ergonomics will be covered. Students will practically apply those principles and skills in ADS 383 Clinical Dental Hygiene 1 Practical Course. They must successfully achieve pre-clinical competencies to advance to the clinical aspect of the program where they start providing dental hygiene services to patients.