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KMID : 0362720140520010008
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Journal of the Korean Dental Association
2014 Volume.52 No. 1 p.8 ~ p.16
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Clinical Applications of CBCT and 3D Digital Technology in Orthodontics
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Park Jae-Hyun
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Abstract
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The introduction of cone-beam computed tomography(CBCT) and computer software in orthodontics has allowed orthodontists to provide more accurate diagnosis and treatment. The most common use of CBCT imaging allows orthodontists to visualize the precise position of supernumerary or impacted teeth, especially impacted canines. In doing so, the exact angulation of impaction and proximity of adjacent roots can be evaluated by orthodontists, allowing them to choose vector forces for tooth movement while minimizing root resorption. Even though 2-dimensional panoramic images can be used to view the position of the impacted canines, they have limitations because it is not possible to evaluate the impacted tooth position 3-dimensionally. An accurate knowledge of root position improves the determination of success in orthodontic treatment. Nowadays, considering the fast pace of technological development, a combination of intraoral scanning, digital setups, custom-made brackets and wires, and indirect bonding may soon become the orthodontic standard. In this paper, this will be discussed along with the digital models.
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KEYWORD
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Cone-beam computed tomography (CBCT), Impacted maxillary canines, 2-dimensional panoramic radiograph, 3D digital technology, Orthodontics, Diagnosis, Treatment
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