NEW! Comprehensive, cutting-edge content is updated on topics including national initiatives, Healthy People 2030, data on the status of oral health and factors that affect access to oral healthcare, cultural competence, oral health programs in the community, applied research, and the different career paths for dental hygienists. EXPANDED! Coverage of dental hygiene competencies and interprofessional collaborative practice is enhanced to reflect changes in the oral health profession. UPDATED! Community Case sections in each chapter include sample cases along with test questions. F EXPANDED! Additional photographs and illustrations depict key concepts.