Radiographic examination plays an important role in diagnosis and treatment of impacted tooth. However, conventional plain radiographic image is insufficient to provide enough information about impacted teeth in the case with multiple impacted teeth. Recently, cone-beam computed tomography and 3-D image are advanced and more details about impacted teeth and neighboring structure could be delineated from 3-D image. The detailed information will greatly improve the accuracy of diagnosis and implantation of an appropriate orthodontic treatment. This case report here presents a child with 3 impacted teeth in right anterior maxilla. With the aid of 3-D cone-beam CT image, 2 impacted teeth are leveled and aligned and good intercuspation is reached in 1 years 8 months orthodontic treatment.

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Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.