Dental Hygienists Dental Hygienists Sub Specialty and Esoteric Centers of Excellence Miscellaneous Clinical Information Managed Care Position Paper - American Dental Hygienists' Association Managing Side Effects of Medication - American Dental Hydienists' Association  Position on Polishing Procedures - American Dental Hygienists' Association Position Paper on the Oral Prophylaxis - American Dental Hygienists' Association Professional Issues - American Dental Hygenienists' Association Updated 04/22/03