This course will help the dental hygiene student facilitate the identification and treatment of oral diseases. The study will focus on understanding the disease process, recognizing deviations from normal, and identifying oral manifestations of local and systemic slide presentations. Presented in the course are current theories on etiology and pathogenesis, significance of genetics, environment, immune responses, and new therapeutic approaches in the treatment of disease. Case studies are presented on CD- ROM to help students distinguish between scientific discovery and its technological application. Prerequisites: DH 100, DH 103, DH 105, and DH 106. Co-requisites: DH 101 and DH 102