Modern Dental Assisting - Textbook and Workbook Package About the Author By Doni L. Bird, CDA, RDA, RDH, MA, Faculty, Allied Dental Education Program, Santa Rosa Junior College, Santa Rosa, CA and Debbie S. Robinson, CDA, MS, Research Assistant Professor and Research Study Coordinator, University of North Carolina, Chapel Hill, NC, By Doni L. Bird, CDA, RDA, RDH, MA and Debbie S. Robinson, CDA, MS.