This document provides a summary of the 5th edition of "The Dental Hygienist's Guide to Nutritional Care" textbook. It lists the authors and their credentials and experience in nutrition and dental fields. It then provides a table of contents that outlines the organization of the textbook into three parts that cover basic nutrition concepts, application of nutrition principles, and nutritional aspects of oral health. Reference tables are also included that provide dietary reference intake values and recommendations for energy, total water, macronutrients, and fatty acids for different life stage groups.