Modern adhesive dentistry has numerous applications in cariology, as well as in aesthetic and pediatric dentistry, prosthodontics, implantology, and orthodontics--in essence, in comprehensive dental care. The current developments in adhesive techniques for soft tissues and also some slow-releasing agents have expanded applications to endodontics, periodontology and maxillo-facial surgery as well. It is quite manifest that the concept "adhesive dentistry" with novel materials is profoundly changing the practice of dentistry. Also it is apparent that great strides will be made in the future based on materials research and discovery. Clinicians and researchers are fully aware of such modern motto which is based on minimal invasive dentistry and adhesive technologies: "Seal is the Deal." So this unique book covering various ramifications of adhesion and adhesives in the broad domain of dentistry provides an important source of information. Among the topics covered include testing aspects of dental materials, dentin bonding, restorations, and adhesion promotion. This book, containing bountiful information, reflects the cumulative wisdom of many world-renowned researchers and should be of interest to anyone involved in any aspects of dentistry. We further hope this book will serve as a fountainhead for new research ideas and new application vistas will emerge as new adhesive materials and techniques become available.