The International Symposium on Dental Hygiene (ISDH) is held every two (2) years (starting after 2019) under the auspices of the International Federation of Dental Hygienists (IFDH) to provide a forum for the understanding and discussion of issues pertaining to dental hygiene. Symposium attendees include Dental/Oral Hygienists, Medical/Dental Practitioners and Allied Healthcare Practitioners. The official language of the symposium is English with simultaneous translation into other languages, depending on the location.