This course builds on the foundations of DHG104 and DHG105. The focus is the elements of the Dental Hygiene Process of Care. As part of an introductory approach to implementing more advanced dental hygiene services, topics include risk assessments, patients with medical, physical, and psychological conditions as well as the dental hygiene treatment modifications for those patient communities. In addition, the theoretical foundation for preventive counseling, ultrasonic and sonic instrumentation, and instrument sharpening are presented.