This book is a concise guide to the clinical examination and diagnosis of dental pain. It is focused on determining the root cause of pain to prevent an erroneous finding based on inadequate information provided by the patient or flawed interpretation of diagnostic testing. Readers will find guidance on anamnesis, clinical exams, and assessment of pain specific components of the mouth as well as on the progression of pulp diseases including the normal pulp, the inflamed pulp, necrobiosis and aerodontalgia. Information is provided on fractured tooth as well as on diagnostic tests for dental pain. The last part of the book is dedicated to periodontal pain and discusses the normal and inflamed periodontium, radicular periodontitis, apical periodontitis and endo-perio diagnosis. This book will be a help for all dentist as the diagnosis of toothaches can be complicated and present pedagogues fail to address the intricacies involved in the etiology of clinical signs and symptoms.