Drs. Miloro and Kolokythas address possible complications in every aspect of OMS, including anesthesia, third molar surgery, implant surgery, maxillofacial trauma, orthognathic surgery, temporomandibular joint surgery, cleft lip and palate surgery, head and neck oncologic surgery, soft and hard tissue reconstruction, free tissue transfer, and cosmetic facial surgery. The contributors to this textbook, recognized experts in their specific topic due to their surgical experience and expertise, focus on the prompt recognition of each complication, and consider preventative measures as well as precise management strategies considering the already compromised clinical circumstances.