DEH 2602 - Periodontics DEH 2602 - Periodontics Analyzes and correlates etiology, immunology, clinical and radiographic diagnosis, treatment planning, prognosis and oral therapy. Emphasizes the role of the dental hygienist in preventive oral therapy. Clinical experiences are coordinated with DEH 1800 . Periodontal procedures included in this study are within the legal scope of practice of the dental hygienist. Semester Hours: 2 credit hours Semester all Fees: None Course Designations: AS only