Prerequisite: DHY 110, DHY 111, DHY 112 , and DHY 108 . Corequisite: DHY 202, DHY 203, DHY 204 , and DHY 205 . (2 Credits)This course continues the development of a theoretical framework of dental hygiene treatment with advancement of dental hygiene proficiency in all areas of dental hygiene treatment. Presentation and discussion of case histories from patients and preventive measures employed against disease concurrent with clinical practice with emphasis on special needs patients. Semester Offered: Fall Semester Only. Course fee required Total of 30 lecture hours.