Surgery is an invasive technique that involves the physical intervention on organs or tissues for diagnostic or therapeutic purposes. The surgical specialty that focuses on the reconstructive surgery of the face, facial trauma surgery, oral cavity, head and neck, mouth and jaw, and facial cosmetic surgery is referred to as oral and maxillofacial surgery. Subspecialties of oral and maxillofacial surgery include cosmetic facial surgery, craniofacial surgery, microvascular reconstruction and maxillofacial regeneration. The purpose of reconstructive surgery is to rebuild the body parts for its proper functioning. Cosmetic surgery is done to improve the natural appearance of a person. Various surgical procedures performed on the craniomaxillofacial complex include dentoalveolar surgery to extract impacted teeth, orthognathic surgery for treatment of dentofacial deformity, cosmetic surgery of the head and neck for browlift, cheek augmentation, and neck liposuction. The topics included in this book on oral and maxillofacial surgery are of utmost significance and bound to provide incredible insights to readers. Through it, we attempt to further enlighten the readers about the new concepts in this area of surgery.