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BACKGROUND Oral cavity cancers (OCCs) and oropharyngeal cancers (OPCs) continue to be a major source of morbidity and mortality worldwide requiring the shared effort of numerous specialists. Tobacco and alcohol consumption have long been identified as risk factors for both OCC and OPC. In addition, human papilloma virus (HPV) is gaining its position as the main causal agent for OPC. OBJECTIVE The objective of this study is to analyze the epidemiology of OCC and OPC in Canada. METHODS Data pertaining to the year of diagnosis, the patient's