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KMID : 0358920050320030550
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Journal of the Korean Academy of Pedodontics
2005 Volume.32 No. 3 p.550 ~ p.556
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THE ERUPTION GUIDANCE OF AN IMPACTED DILACERATED MAXILLARY CENTRAL INCISOR
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Kang Keun-Young
Yang Kyu-Ho
Choi Nam-Ki
Kim Seon-Mi
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Abstract
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Tooth impaction is defined as a cessation of the eruption of a tooth at the level of the oral mucosa or alveolar bone by any causes. Any tooth in the dental arch can be impacted, but the teeth frequently involved in a descending order are the mandibular and maxillary third molars, the maxillary canines, the mandibular and maxillary second premolars, and the maxillary central incisors.
In these teeth, impaction of maxillary incisor occurs in about 0.1-0.5% and major causes are trauma, supernumerary teeth and periapical inflammation of primary maxillary incisor. Delayed eruption of a maxillary central incisor results in midline shift, the space’s being occupied by an adjacent tooth and different levels of alveolar height.
Treatment options are observation, surgical intervention, surgical exposure and orthodontic traction, trans-plantation and extraction.
These cases were about the patients with delayed eruption of maxillary central incisor. We surgically exposed impacted tooth and guided it into normal position by the orthodontic traction. At the completion of traction, the maxillary central incisor was positoned fairly within the arch and complications such as root resorption were not observed.
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KEYWORD
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Tooth impaction, Maxillary central incisor, Surgical exposure, Orthodontic traction
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