Persons with the greatest risk of oral cancer_______________?

A.\tHave a poor oro-dental hygiene, nutritional deficiencies and are chronic alcoholics

B.\tAre middle aged have a poor oro-dental hygiene and regularly use tabacco

C.\tAre old, chronic alcoholics and regularly and regularly use tobaccoCorrect Answer

D.\tAre young, have poor oro-dental hygiene and are heavy smokers

Correct Option: C.\tAre old, chronic alcoholics and regularly and regularly use tobacco

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