文章基本信息
- 标题：Normal range of facial asymmetry in spherical coordinates: a CBCT study
- 本地全文：下载
- 作者：Yoon, Suk-Ja ; Wang, Rui-Feng ; Na, Hee Ja 等
- 期刊名称：Imaging Science in Dentistry
- 印刷版ISSN：2233-7822
- 出版年度：2013
- 卷号：43
- 期号：1
- 页码：31-36
- DOI：10.5624/isd.2013.43.1.31
- 语种：English
- 出版社：Korean Academy of Oral and Maxillofacial Radiology
- 摘要：Purpose
This study aimed to measure the bilateral differences of facial lines in spherical coordinates from faces within a normal range of asymmetry utilizing cone-beam computed tomography (CBCT).
Materials and MethodsCBCT scans from 22 females with normal symmetric-looking faces (mean age 24 years and 8 months) were selected for the study. The average menton deviation was 1.01±0.66 mm. The spherical coordinates, length, and midsagittal and coronal inclination angles of the ramal and mandibular lines were calculated from CBCT. The bilateral differences in the facial lines were determined.
ResultsAll of the study subjects had minimal bilateral differences of facial lines. The normal range of facial asymmetry of the ramal and mandibular lines was obtained in spherical coordinates.
ConclusionThe normal range of facial asymmetry in the spherical coordinate system in this study should be useful as a reference for diagnosing facial asymmetry.
- 关键词：Cone-beam computed tomography; Imaging, Three-Dimensional; Facial asymmetry
