The ability to record consistently good impressions is both a science and an art. We hope this book has shed light on both aspects. It is worth bearing in mind that the impression influences not only the quality of the subsequent restoration but also the technician's perception of the dentist's skill.Besides,this book will address several advances in the impression realm that can provide better and more consistent impression results, thus providing the laboratory with better impressions and allowing them to fabricate more accurate restorations that reduce chair side delivery times.