Dental crowding is one of the commonest problems in dental practice and particularly in orthodontics. Arch length tooth size discrepancy is the major reason of most of the malocclusion. Gaining space is most important step in treatment planning which can be achieved by various methods one of which is molar distalization. The concept of distal driving of teeth has a long orthodontic history. This non extraction treatment protocol is favored by patients. This book focuses on indications, contra indications, classification and detailed description of various appliances used for molar distalization.