This course of study focuses on the basic concepts of the etiology, disease development and current theories of cure and/or control. Anatomy with emphasis on the gingival and periodontal structure is stressed. Disease pathogens causing the compromise of health in the periodontium and oral environment, epidemiology, biological factors, assessment protocols and evaluation of current philosophies in periodontal disease are reviewed. Prerequisites: DH 100, DH 101, DH 102, DH 103, DH 104, DH 105, DH 106, DH 202, DH 203, DH 209, DH 210, and DH 211. Corequisites: DH 200 and DH 206