TDA has several membership categories for those wishing to join.
Active Member: A dentist licensed to practice in Tennessee or a dentist who is a full-time educator in a school accredited by the Commission on Dental Accreditation of the American Dental Association, residing in Tennessee, who is a member in good standing in the American Dental Association or a dentist who is a member of the Federal Dental Service and a fully privileged member of the American Dental Association or a fully privileged ADA member dentist who practices or resides in a state contiguous to Tennessee, in close proximity to the Tennessee border, with permission of the local dental society and state dental association in the state in which that dentist practices or resides.
Student Member: A dentist eligible for membership in this Association who is engaged full-time in an advanced training course of not less than one (1) academic year's duration in an accredited educational facility may make application for student membership to the Board of Trustees through their component society or a pre-doctoral student of a dental school accredited by the Commission on Dental Accreditation of the American Dental Association and located within the State of Tennessee who is classified as a member of the American Student Dental Association is eligible for membership as a student member of the Tennessee Dental Association and may make application for student membership directly to this Association.