Velupillai Ilankovan, BDS, MBBCh, FDSRCS (Edin & Eng), FRCS (Edin & Eng), is a consultant maxillofacial/head and neck surgeon and current Clinical Lead in Maxillofacial Surgery at Dorset County Hospital, UK. He is also a Professor of Surgery at Bournemouth University and Honorary Professor of Head and Neck Surgery at Peking Union Medical College. He has served as the President of the British Association of Oral & Maxillofacial Surgeon (2013–2014) and as an Honorary Secretary of the Association of Facial Plastic Surgeons. He is also a member of the editorial boards for the British Journal of Oral and Maxillofacial Surgery (expert adviser on Aesthetic Surgery) and the Journal of Maxillofacial and Oral Surgery (section editor for Oncology and Reconstruction). Professor. Ilankovan is past examiner for Part I & II FDS, MFDS, MJDF RCS; MRCS (Intercollegiate); and FRCS Maxillofacial (Intercollegiate). He is the author of more than 160 articles in peer-reviewed journals and eight book chapters in 8 books and has given many presentations at conferences across the worldMadan Ethunandan, BDS, MDS (OMFS), FDSRCS (Eng), FFDRCS (Irel), BM (Soton), MRCSEd, FRCS (OMFS), is a Consultant Oral & Maxillofacial Surgeon at University Hospital Southampton, Southampton, United Kingdom and a Visiting Professor at Sri Ramachandra Medical College and Research Institute, Chennai, India. He is the lead for head and neck cancer and was the associate editor of the British journal of Oral & Maxillofacial surgery and module editor for skin cancer for the e-FACE programme. He serves on the editorial boards of the British Journal of Oral and Maxillofacial Surgery, Journal of Maxillofacial and Oral Surgery and Annals of Maxillofacial Surgery. Dr.Ethunandan is the author of almost 80 publications in peer-reviewed journals, contributed 12 chapters to speciality defining books and has given many conference presentations around the world..Tian Ee Seah, BDS, MDS (OMS), FRACDS (Aus), FAMS graduated from the National University of Singapore and went on to gain his Master's in Dental Surgery (Oral Maxillofacial Surgery) from the same university. He is a Fellow of the Royal Australasian College of Dental Surgeons and a Fellow of the Academy of Medicine, Singapore. Dr Seah has previously served as President of the Asian Association of Oral & Maxillofacial Surgeons and the Association of Oral & Maxillofacial Surgeons, Singapore. He currently works in this own private practice and is the Visiting Specialist for the Kadang Kerbau Women and Children’s Hospital, National Dental Centre Singapore and Singapore General Hospital. He has given many presentations at meetings in Singapore and overseas. Dr. Seah created all of the drawings in this richly illustrated book.