Class and class conflict in an industrial society

The authors present the Annual Oral Cancer Campaign of Araraquara promoted by the Oral Medicine Service of the Araraquara Dental School – UNESP. This campaign is an extension activity which, since its beginning, in 1993, has been expanding.The campaign provides background for teaching and research as well as benefits to the regional community. In 1999 this activity was conducted, for the first time, in a public fair visited daily for thousands people. This opportunity, which started in 1999, promoted the expansion of benefits and contributed to legitimate the campaign as an authentic extramural extension activity.