The systemic disease that an oral physician suspects is usually of greater significance to the patient than the oral lesion with which he presented.Laboratory investigation plays a very important role in diagnosing various oro-mucosal lesions, various oral manifestations of systemic disease which manifest in the oral cavity & to treat them appropriately. Laboratory investigation has become an important part of medical diagnostic procedure by adding its objective information to the more subjective history and physical examination of the patient. In last few decades laboratory investigation have seen marked advancement with arrival of latest and advanced laboratory tools. It has become easier to diagnose the underlying hematological changes occurring with the diseases per se, at the same time the monitoring of progression of disease can be evaluated.

Dr.Prakash Jha, did his MDS from Institute of Dental Sciences,Bareilly, U.P.He is an Oral Medicine and Radiology specialist. He has published various research papers in various national and international journals. He is actively involved in various research activities.