The Massachusetts Dental Society (MDS) is a 5,000-member professional association and statewide constituent of the American Dental Association. Established in 1864, the MDS is an organization dedicated to improving the oral health of the public in the Commonwealth of Massachusetts, and also advancing the professional development of its membership through initiatives in education, advocacy, and promotion of the highest professional standards. Each year the MDS presents Yankee Dental Congress, New England’s largest meeting for professionals seeking the best dental continuing education, as well as dental products, services, and resources.