Zina Johnston, DDS’00, assistant professor, Division of General Dentistry, was presented at the 2019 LLUSD commencement with the School of Dentistry Teacher of the Year Award by Mark Estey, DDS’98, assistant dean, Office of Academic Affairs who explained her selection. Dr. Zina Johnston receives her award from Dr. Mark Estey. “The School of Dentistry Teacher of the Year Award was established to recognize a faculty member whose accomplishments have made an extraordinary impact on students, peers, and the School family. “Dr. Johnston was born in Bagdad, Iraq.