“…The overall 5-year survival rate for patients with head and neck squamous cell carcinoma (SCC) is among the lowest for major cancers and has not changed during the past two decades [2,7,23,39,43,47,55,56,58,66,67,73,89]. Despite therapeutic and diagnostic progress in oncology during the past decades the prognosis of intraoral SCC remains poor; however, very recent statistics indicate a decrease in the number of deaths associated with oral carcinoma [74].…”