Master the skills required for safe, effective dental imaging! Dental Radiography: Principles and Techniques , 7th Edition, describes the radiation principles and imaging techniques that dental assistants and dental hygienists need to know. Clear, comprehensive coverage includes detailed, step-by-step procedures, illustrations of oral anatomy and updated photos of X-ray equipment, digital and 3-D imaging, a guide to image interpretation, and case studies similar to those in the National Board Dental Hygiene Examination. Written by noted educators Joen M. Iannucci and Laura Jansen Howerton, Elsevier's bestselling text on dental radiography prepares you for success in the classroom, on your NBDHE or CDA exam, and in clinical practice. Comprehensive coverage provides a solid foundation for the safe, effective use of radiation in the dental office Step-by-step procedures support clear instructions with anatomical drawings, positioning photos, and radiographs, helping you confidently and accurately perform specific techniques and minimize radiation exposure to the patient Application to Practice and Helpful Hint features highlight common clinical encounters and provide a checklist with the dos and don'ts of imaging procedures Summaries throughout the text recap key points and serve as useful review and study tools End-of-chapter quiz questions assess your understanding of important content Evolve companion website supplements the print book with technique videos, case studies, interactive exercises, review questions, and more NEW! Updated photos show X-ray equipment along with intraoral and extraoral techniques NEW! Guidelines on retakes for intraoral images help you determine when an additional exposure is necessary and when it's not.