Get the hands-on practice and reinforcement you need to master the concepts and skills covered in Darby & Walsh Dental Hygiene: Theory and Practice, 6th Edition . The chapters in this workbook directly correlate to the textbook chapters and provide ample review questions and exercises, competency skills evaluation sheets, case studies with questions, and information for the clinical externship and professional portfolio. Applicable chapters also contain a review of video procedures covered in the main text. It's the essential practice and review you need for success in both the classroom and the clinical setting.