Professor Edwina Kidd is Emerita Professor of Cariology at King’s College, London. She qualified at the Royal Dental Hospital, London, in 1967. Although she was a teacher of Conservative Dentistry, her research interests have been in cariology. She became a Professor of Cariology in 1995. She has published extensively in research journals and lectured worldwide. She is author of Essentials of Dental Caries (Oxford University Press) and is co-editor of Dental Caries (Blackwell-Munksgaard) with Ole Fejerskov. Her principal aim in teaching and writing has been to base the practice of Conservative Dentistry on the science of Cariology.