All chapters are thoroughly revised and updated with latest information and new drugs. Presentation and illustrations have been improved. Leading trade names and dosage forms of drugs generally prescribed by dentists are mentioned distinctively. The book is divided into three sections. The first section describes the general pharmacological principles involved in drug therapy, the second section deals with systemic pharmacology presents a brief account of drugs acting on various organ systems and used in the treatment of common disorders affecting these systems. The third section covers antimicrobials and other drugs which the dentists prescribe or administer themselves. Each chapter is organised systematically.