Risk factors: smoking, chewing tobacco, ill fitted dentures, broken teeth, chronic use of mouthwashes, excessive alcohol intake, poor dental hygiene, vitamin deficiency, human papilloma virus (HPV) and immune system depression.
Symptoms: chronic mouth, tongue or throat sore, loss of feeling in the mouth, discolouration in the mouth or throat, difficulty swallowing, mass in the cheek, unintentional weight loss.
