Human Papilloma Virus: Current Knowledge and Focus on Oral Health

Table 2

HPV oral signs.

Definition	Clinical signs	Description	% of HPV infections
Subclinical	Normal mucosae	No clinical or histopathological lesions; HPV-DNA revealed by the molecular biology technique	0-81%
Clinical	Benign lesion	Squamous cell papilloma	5-62%
Associated	Potentially malignant lesion	Oral leukoplakia; Oral erythroplakia; Oral lichen planus; Leukoplakia proliferative wart	22-100%; 0-54%; 11-60%; 0-89%
	Malignant lesion	Squamous cell carcinoma; Verrucous carcinoma	0-38%; 0-7.7%