“…Incidence rates for oral and oropharyngeal cancer related to HPV infections are on the increase in some countries, especially among men [9][10][11], but the global prevalence and the genotype of HPV infection in head and neck squamous cell carcinoma (HNSCC) remain obscure [8,9]. About 200 types of HPV have been identified and classified into two major groups (i.e., high-risk and low-risk subtypes), depending on their ability to trigger neoplastic transformation [1,3], 25 types of which (1,2,3,4,6,7,10,11,13,16,18,31,32,33,35,40,45,52,55,57,58,59,69,72,73) are associated with oral lesions [12].…”