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J Orthod Sci. 2018 Nov 15;7:24. doi: 10.4103/jos.JOS_80_18. eCollection 2018.

Orthodontic-surgical management of an unusual dilacerated maxillary incisor.

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Department of Orthodontics, National Dental Centre Singapore, 5 Second Hospital Avenue, Singapore 168938.


Orthodontic traction of an impacted dilacerated maxillary central incisor is clinically challenging and often results in a long treatment duration. A case of an unusual dilacerated central incisor with a 90° crown-root angulation and palatally displaced crown is presented herein. Using a single stage open window exposure of the crown on the palatal aspect with light orthodontic traction force, the impacted dilacerated central incisor crown was successfully positioned in alignment with the contralateral incisor.


Dilacerated maxillary incisor; palatal dilaceration; single stage open window exposure; unusual dilaceration

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