This course shall serve as a continuation of the foundation necessary for dental hygiene practice. The focus will be on preventive therapies and patient management techniques as well as providing the student with an increased knowledge of clinical dental hygiene protocols. Students will provide dental hygiene care including medical history, vital signs, intraoral and extra oral examinations, dental charting data interpretation, treatment planning, instrumentation, home care therapies, and polishing for a variety of patients. Soft tissue management and periodontal maintenance will also be introduced.  Prerequisites: DH 100, DH 103, DH 105, and DH 106. Corequisites: DH 102, DH 104, DH 110