Which of the following is not an etiological factor for head and neck oral cavity malignancies?: (A) Betel nut, (B) HPV infection, (C) EBV infection, (D) Vitamin A deficiency
Answer is D. Risk Factors for Cancer of Oral Cavity * Tobacco * Alcohol * Areca nut/pan masala * Sharp or Jagged tooth * Ill-fitting dentures * Syphilitic glossitis * Human papilloma virus * Epstein-Barr virus * Plummer-Vinson Syndrome * Poor nutrition