Abstract : Orthodontic appliances with mini implants became more popular in the field of orthodontics for past many years .There are wide array of mini implant designs, various materials are available for a variety of clinical uses in orthodontic practice. Absolute anchorage facilitated by mini implant system plays foremost role in successful orthodontic treatment .This literature review explains about historical background, parts, materials, types of mini implants and various clinical application in orthodontic purposes.