International Journal of Dentistry / 2012 / Article / Tab 3

Research Article

Oral Cancer Awareness and Knowledge in the City of Valongo, Portugal

Table 3

Most risk factors or causes mentioned for oral cancer.

Causes of cancer( )(%)

Reduced oral hygiene50183.2
Infections in the teeth49281.7
Reduced intake fruit and vegetables29549
Sun exposure29448.8
Car smoke28347
Dental treatment in dentists19432.2
Close contact with another cancer patient11819.6

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