Student member of the American Dental Hygienists' Association.

SADHA is a category of membership within the American Dental Hygienists’ Association. ADHA is the professional association of the profession and is dedicated to the advancement and promotion of dental hygiene

Dental hygiene students have an important and future role as an oral health care professional.  Being a student member of ADHA begins the transition into the dental hygiene profession.

Membership in the professional association demonstrates a commitment to excellence and the highest standards of preventive oral health care.

SADHA Membership Application Information

Sigma Phi Alpha

National Dental Hygiene Honor Society

Sigma Phi Alpha is the national honor society of the dental hygiene profession. The University of Detroit Mercy School of Dentistry is affiliated under the Omega Chapter. 


  • to promote, recognize, and honor scholarship, leadership, and service among dental hygiene students and graduates of dental hygiene programs.


  • to promote scholarly educational programs for dental hygienists at meetings and conferences.
  • to provide scholarships for undergraduate and graduate dental hygiene students.
  • to develop scholarships to support chapters.
  • to select and recognize honorary and corporate individuals who contribute significantly to the Honor Society’s goals.


  • to enhance the dental hygiene professional's role and image in the delivery of quality healthcare to the public. The Honor Society therefore encourages the inductees to contribute to the advancement of the dental hygiene profession.


  • Senior DH students are elected by dental hygiene faculty on the basis of scholarship, service, leadership, and potential for professional growth.
    • Membership is limited to 10% of each graduating class by program (i.e. prelicensure, degree completion, graduate).
  • Alumnae membership also may be conferred on qualified persons who graduated prior to the establishment of a chapter.
  • Honorary members are those who are recognized as having made an outstanding contribution to the dental hygiene profession through educational or community service. Only one person may be elected to honorary membership each year by each component chapter or by the Society.

Professional Links

American Dental Hygienist Association (ADHA)
American Dental Education Association (ADEA)
Michigan Dental Hygienist Association (MDHA)
American Dental Association (ADA)