International Journal of Dentistry / 2012 / Article / Tab 4

Research Article

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

Table 4

Mostly mentioned early manifestations of oral cancer.

Signs and symptoms %

Sore (ulcer) that does not heal54290
Lump or tissue overgrow54189.9
Difficulty in swallowing39064.8
Abscess, boil, or infection35959.6
Difficulty in open the mouth33856.1
Persistent white or red patch31852.8
Gastric pain25041.5
Prosthesis that fails to fit20133.4
Having aphthae very often16327.1

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