Gaston Family Health Services Dental Clinic - Free Dental Care. Health (9 days ago) Gaston Family Health Services Dental Clinic Details . Last-Modified: 2021-09-10 06:16:59 Gaston Family Health Services Dental Clinic core services include primary medical, behavioral health and dental care to children and adults at several practices across Catawba, Davidson, Gaston, Iredell and Lincoln counties..