As cancer instruction in the dental schools is reviewed, it is evident that dentists are being prepared for prominent roles in the control of cancer. The disease is far more familiar to graduating dentists today than it was just a few years ago. The knowledge possessed by present graduates is a most significant index of the increasing responsibility taken by the dentist in cancer control. Since the oral cavity is one of the most accessible cancer sites, and dental patients are seen at regular intervals, the dentist who is equipped with knowledge of neoplastic growths may discover the earliest and most curable lesions. Current teaching programs place greatest emphasis on cancer in oral and general pathology and in oral diagnosis. Attendance at diagnostic and tumor clinics, much increased, is enabling students to gain fuller understanding of clinical cancer and associated diseases. Prosthetic and restorative methods are also increasing in importance. The use of visual materials has now spread to all schools and these materials are considered an extremely valuable teaching asset. It is noteworthy that discussions of the social aspects of patient care and rehabilitation have been added to several curricula. As dental students acquire skill in discovering malignancies, it is apparent that they will widen the spectrum of dentistry by a considerable degree. At the same time it is possible that they may be largely responsible for bringing cancer of the oral cavity under control.