Медицинская библиотека · Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics · 2006

3D-CT evaluation of facial asymmetry in patients with maxillofacial deformities.

Maeda Masahito, Katsumata Akitoshi, Ariji Yoshiko, Muramatsu Atsushi, Yoshida Kenji, Goto Shigemi, Kurita Kenichi, Ariji Eiichiro

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Аннотация

OBJECTIVE

The aims of this study were to characterize the symmetrical features of patients with facial deformities and to suggest a classification system for facial asymmetry based on 3-dimensional-computed tomography (3D-CT) evaluation.

STUDY

DESIGN

Preoperative CT images were investigated for 49 patients with maxillofacial deformities. Asymmetry indices were calculated for some landmarks in the maxilla, mandibular body and the mandibular ramus regions.

RESULTS

Asymmetry was observed most frequently in the mandibular body region. The subjects were divided into 3 groups. Subjects without any asymmetry in the 3 regions were classified as Group I (44.9%). Groups II or III were defined for subjects without or with maxillary region asymmetry, respectively, and they were subcategorized. In Group IIA (8.2%), asymmetry was shown solely in the mandibular body region, and in Group IIB (18.4%), additional asymmetry was shown in the mandibular ramus region. Group IIIA (6.1%) showed asymmetry only in the maxillary region, and Group IIIB (22.4%) showed asymmetry in all 3 regions.

CONCLUSION

The 3D-CT classification for facial asymmetry has the potential to replace the conventional cephalometric classification.

Для цитирования: Maeda Masahito, Katsumata Akitoshi, Ariji Yoshiko, Muramatsu Atsushi, Yoshida Kenji, Goto Shigemi, Kurita Kenichi, Ariji Eiichiro. 3D-CT evaluation of facial asymmetry in patients with maxillofacial deformities.. Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics. 2006. DOI: 10.1016/j.tripleo.2005.10.057.

Предметные рубрики MeSH

Case-Control Studies Cephalometry Facial Asymmetry Humans Image Processing, Computer-Assisted Imaging, Three-Dimensional Malocclusion, Angle Class III Mandible Maxillofacial Abnormalities Prognathism Retrospective Studies Tomography, X-Ray Computed

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