Celebrating 160 Years Dec 10, 2019 news homepage headlines {{Title}} [x] <strong>Comma separated</strong>, type <strong>existing</strong> tags Add or, Select from existing Opening existing... Close existing Most popular tags Click to select: Show all1609Tags Show only most popular Opening all... {{Title}} ({{ItemsCount}}) A Presidential Citation was presented to GDA during the ADA annual meeting. It reads, “In recognition and celebration of 160 years of service to the people of Georgia and advancing the arts and science of dentistry.”