
Research studies indicate that people who avoid brushing frequently, have cavities, and avoid dental checkups, are more likely to get oral cancers. Regular dental checkups, together with twice daily brushing, helps decrease the risk factor.
The environment in which cancer thrives, becomes more favorable through tooth decay and oral infections, that result from poor hygiene practices. This apart, cavities, along with untreated mouth infections, indicates poor oral health for an extended period, and this leads to higher cancer susceptibility.