Identification of malocclusion risk factors after closed treatment of condylar fractures using a novel three-dimensional computed tomography approach
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- Kobayashi Tatsuro
- Department of Dentistry and Oral Surgery, Tokyo Metropolitan Hiroo Hospital
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- Abe Shigehiro
- Department of Dentistry and Oral Surgery, Tokyo Metropolitan Hiroo Hospital Division of Oral Surgery, Nihon University School of Medicine
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- Yokomizo Naoko
- Department of Dentistry and Oral Surgery, Tokyo Metropolitan Hiroo Hospital
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- Kitano Hisataka
- Division of Oral Surgery, Nihon University School of Medicine
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- Ono Takashi
- Department of Radiology, Tokyo Metropolitan Hiroo Hospital
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- Takeda Toshiaki
- Department of Radiology, Tokyo Metropolitan Hiroo Hospital
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- Kobayashi Yutaka
- Department of Dentistry and Oral Surgery, Tokyo Metropolitan Hiroo Hospital
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Abstract
<p>Abstract: The condyle is the most common site of mandibular fracture. In the present study, an attempt was made to utilize three-dimensional computed tomography (3D-CT) images to evaluate mandibular condyle fractures and identify prognostic indicators of malocclusion after closed treatment. Accurate morphometric measurements were performed using 3D-CT images obtained before trauma, after trauma, and after healing. Morphometry revealed significant differences in loss of ramus height (LRH) and lateral movement length in patients with malocclusion, and significant LRH differences in patients with other maxillomandibular fractures after healing, or in those with dislocation-displacement. The present method of 3D-CT image analysis appears useful for evaluation of condylar fractures.</p>
Journal
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- Journal of Oral Science
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Journal of Oral Science 63 (3), 283-285, 2021
Nihon University School of Dentistry
