This book contains extensive as well as upto date newer classifications, clinical features, diagnosis, differential diagnosis and recent advances in managements of Oral Potentially Malignant Disorders (OPMDs) with proper citations and references. This book contains illustrative pictures for all the OPMDs. This book can be used by the BDS, postgraduates in Oral Medicine and Radiology, Oral and Maxillofacial surgery, as well as by general practitioners for a proper knowledge, diagnosis and hence the managements of OPMDs.