Oral and pharyngeal cancer risk associated with occupational carcinogenic substances: Systematic review

Abstract

BACKGROUND: Oral and pharyngeal cancers (OPC) represent the seventh most common type of cancer and the seventh leading cause of deaths by cancer worldwide. Few studies have assessed the occupational exposure risks associated with OPC and in many cases the results are conflicting. The aim of this study was to determine, through a systematic review, the association of OPC and exposure to different occupational carcinogenic substances. METHODS: The addressed focused question was "Is there an association of occupational carcinogenic substances with OPC?" PubMed, MEDLINE, EMBASE, and ISI Web of Science databases were searched between January 1995 up to and including July 2016 using the keywords "..