Members of the Section on Dental Hygiene Education of the American Dental Education Association founded Sigma Phi Alpha, the National Dental Hygiene Honor Society, in 1958. Sigma Phi Alpha is composed of dental hygiene educators and graduates of accredited dental hygiene programs in the United States and Canada who demonstrate exceptional academic achievement. The purpose of Sigma Phi Alpha is to promote, recognize, and honor scholarship, leadership, and service among dental hygiene graduates. It is the vision of Sigma Phi Alpha to enhance the role of the dental hygiene profession in its provision of quality health care to the public.
The insignia of SPA is a gold key with the letters SPA.
What do these letters mean?
Sigma (Sophia) meaning Wisdom
Phi (Philanthropia) meaning Human Feeling and Action
Alpha (Arete) meaning valor and virtue, making up good character.