Science and Education Publishing International Journal of Dental Sciences and Research 2 5 2014 10 12 Erosive Lichen Planus - Diagnosis and Management 112 114 EN Laliytha Kumar Bijai Department of Dentistry, Sree Balaji Medical College and Hospital, Bharath University, Chennai, India Philips Mathew Ramya Sugumar Ravi David Austin IJDSR2014253 10.12691/ijdsr-2-5-3 2014 08 30 2014 09 30 2014 10 12 Oral lichen planus (OLP) is a chronic inflammatory disease of unknown etiology. It seems to affect most ethnic groups and has a prevalence of 0.02-1.2% among various populations. The diagnosis of OLP can be made from the clinical features if they are sufficiently characteristic, particularly if typical skin or other lesions are present, but biopsy is recommended to confirm the diagnosis and to exclude dysplasia and malignancy. Atrophic/erosive OLP needs appropriate treatment, due to the pain and malignancy potential. Here we report a case of erosive lichen planus in a 60-year-old male patient in the oral cavity.