 The association was known as the National Association of Certified Dental Laboratories from 1968 to 1971 when it changed back to its original name.Its mission is to be the recognized advocate for the dental laboratory technology industry by promoting professionalism, setting technical standards and providing valued services to its membership.The stated purpose of NADL is to uphold and advance the dignity, honor and efficiency of those engaged as operators of dental laboratories, to advance their standards of service to the dental profession and to establish cooperation among its members.