Head and face medicine deals with the conditions of the structures of the head, face and neck. It encompasses a number of sub-disciplines specializing in different aspects of injuries, diseases and trauma, such as facial plastic and reconstructive surgery, head and neck oncologic surgery and otology, among others. Plastic surgery is a specialization in medicine, which involves the reconstruction, restoration and alteration of a body part. Reconstructive surgery which aims to reconstruct a body part, and cosmetic surgery that is performed for aesthetic reasons are encompassed under plastic surgery. Abdominoplasty, blepharoplasty, lip enhancement, rhinoplasty, cheek augmentation, etc. are some of the facial augmentation procedures under plastic surgery. Craniofacial surgery is a form of reconstructive surgery, in which congenital and acquired deformities of the head, face, skull, neck and jaws are addressed. Cleft lip and palate, rare craniofacial clefts, isolated and syndromic craniosynostosis, Crouzon's syndrome, craniofacial microsomia, etc. are treated in this domain. This book provides significant information of this discipline to help develop a good understanding of head and neck medicine and associated specializations. The extensive content herein provides the readers with a thorough understanding of the subject. This book aims to equip students and experts with the advanced topics and upcoming concepts in this area.