The book describes about the anatomy of the trigeminal nerve its branches and its distribution to the orofacial region.The mechanism about of nerve and its anatomy is also mentioned in this book.The most common disease affected by trigeminal nerve is trigeminal neuralgia is described in details in the book.Special thank to Dr.Birangane (HOD,Dean,PDUDC Solapur) for there motivation and support in writing the book.I am kindly wishing thank you to my beloved parents Dr.C.R.Parkarwar my father and Mom DR.A.C.Parkarwar which were pillar of sucees in writing in this book,they boost and uplifted me everythime