(replaces but does not equate to DNHY-1314) This course continues to advance the dental hygiene theory, radiographic, and clinical concepts of the previous semester. Students will interact with case studies involving the following: pharmacology and dental care, advanced radiograph interpretation, interprofessional communication, oral hygiene strategies for special needs patients, periodontal disease, periodontal treatment therapies, periodontal maintenance, and periodontal dental referrals. (1 billable contact hr)