Jason R. Flores, RN, DDS, presents the 4 common vital signs, their accepted normal limits, explanation of the numerical values, and reasons for changing values in the dental setting. This article is peer reviewed and available for 2 hours of CE credit. Learning Objectives: After reading this article, the individual will learn: (1) the 4 common vital signs, their accepted normal limits, and their numerical values, and (2) reasons for changing values of vital signs in the dental setting.