Orthodontic traction of a retained upper canine with Edgewise appliances

Included dental organs may cause lesions to neighboring teeth, infection or cysts and represent a difficult problemdue to its esthetic and functional implications. The orthodontist has several therapeutic options but to achieve success it is essential to diagnose the dental impaction early. A retained canine is defined as the canine that, having reached its normal time for eruption (11 to 13 years old for the upper and 10 to 11 years old for the lower) and its full development (formed tooth) remains included or locked inside the maxilla or mandible, keeping its pericoronary sac intact.

This impaction can be intraosseous (covered by bone) or submucosal (covered by gingiva). It is more common in the upper canine than in the lower. The more frequently impacted teeth are the upper and lower third molars followed by the lower second premolars, the upper canines and the upper central incisors.

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