Sandra Pence, RDH, MS, is an associate professor and director of the dental hygiene program at the University of Alaska Anchorage, where she teaches orofacial anatomy and embryology, histology, pharmacology, and first-year preclinic and clinic. A clinical dental hygienist since 1996, Pence currently practices at Silverman Dental in Anchorage. She can be reached at: spence2@uaa.alaska.edu.