The study of syndromes in children constitutes an important phase of dentistry because of the role which the pediatric dentist plays in the diagnosis and treatment of these conditions. Although syndromes constitute only a small number of pathological conditions seen by the dentist, they are of great significance since they have the potential ability to jeopardize the health and longevity of the patient.The aim of writing down this book is to provide complete information of commonly occurring syndromes in children which makes the diagnosis and the treatment more convenient.