CT diagnosis of ectopically erupting maxillary canines--a case report

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Abstract
This case report describes the use of high-resolution computed tomography (CT) in the diagnosis of both the location and extent of root resorption of permanent incisors due to ectopic eruption of the maxillary canine. The CT image proved to be superior and more information was obtained than when conventional radiographic methods, including polytomography, are used. Although CT is an expensive method, it is not time-consuming or complicated. As the skin entrance dose is also low and the exposure of radio-sensitive organs can be avoided, we consider that the advantages of CT clearly warrant its use in this type of patient with a potential resorptive canine/lateral situation due to ectopic eruption of the maxillary canines.

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