In the course of an orthodontic treatment, careful planning for its success is essential, taking into account aspects such as facial harmony, functional occlusion and aesthetics. The anchoring system has been widely used by orthodontists because of its high level of success, in addition to replacing the use of extra and intraoral devices, the mini-implants show a simple technique that does not require patient cooperation and less annoyance, allowing more movements predictable and balanced in a short time of treatment. This study aims to report the types of mini-implants and their characteristics so that we have a general knowledge of orthodontic treatment with skeletal anchorage. The mini-implants are made in two types such as: the self-threading that requires a drill and the self-drilling that has a cut. Their use provides advantages as a set of more agile, simple and less invasive techniques, presenting minimal anatomical limitations, less cost, not depending on the patient\'s contribution, allowing the application of immediate loading and increased predictability of movements. Disadvantages are considered when movement and loosening of the mini-implant, involvement of nerves and blood vessels during surgery, irritation of the mucosa and gingival hyperplasia caused by poor hygiene causing pain and swelling.

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