The dentist's ability to make the patient understand the nature of the treatments isfundamental for the acceptance of treatment plans and adherence to therapeuticpaths. Understanding is essential for the patient. Too often it is taken for grantedthat the patient understands everything, even if their comprehension has not beenverified. This book aims to increase the effectiveness of communication betweenthe dentist and the patient, especially in the case of certain therapies that aredifficult to understand or where there may be an overload of information. After abrief introduction to tooth anatomy, the main interventions in implantology,periodontics, fixed and removable prosthetics, endodontics, conservative dentistry,and surgery are described.