Patient compliance, anchorage preservation and lack of anchor units often present a perplexing problem for orthodontics, mainly because of a lack of effective devices. Headgear, which is used to control anchorage and requires patient cooperation, is a device that has been used in orthodontics for at least 100 years. Despite longevity in the field, however, the use of headgears has given only moderate success. In recent years, with the introduction of temporary anchorage devices (TADs), a paradigm shift has occurred in the overall perspective towards patient compliance, preservation of anchorage and facilitation of treatment for various types of malocclusions.

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