Review Article
DOI:
http://dx.doi.org/10.24327/ijrsr.2017.0808.0631
Subject:
science
KeyWords:
-
Abstract:
Oral cavity is one of the predominant and prevalent sites of development of oral cancer, since many carcinogens comes into its direct contact. Squamous cell carcinoma is one of the most common malignancies developed in the oral cavity with an average 5 years survival rate. Recurrences and second primary tumors develops, even when surgical margins are histopathologically tumor-free corroborates the field cancerization concept. Field Defect or Field Effect, terms also known for Field cancerization is a well-known process of malignant transformation of an existing precancerous lesion.