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Yamauchi, T, Kimura, R, Kawaguchi, A, Sato, T, Yamaguchi, K, Toma, T, Miyamoto, K, Fukase, H, Yamaguchi, T and Ishida, H (2016) A comparative study of craniofacial measurements between Ryukyuan and mainland Japanese females using lateral cephalometric images. Anthropological Science, 124 (1). ISSN 0918-7960
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Abstract
Using lateral cephalometric images, we compared the skeletal and soft tissue configurations of Ryukyuan and mainland Japanese females. We collected lateral cephalometric images of 30 females each from Okinawa Island and mainland Japan. Sixty landmarks were plotted on each image. Then, based on the coordinates of the landmarks, 68 distances and 34 angles were calculated according to orthodontic and anthropometric methods. We confirmed that the Ryukyuans have a smaller height in the upper and midfacial region than the mainland Japanese. Moreover, our findings indicate that, compared with the mainland Japanese females, the Ryukyuan females clearly have the following features: (1) a shallower mandibular notch, (2) an anterior-inclined symphysis of mandible, and (3) a smaller depth from upper lip to incisors. We also found that an anterior-inclined mandibular corpus and incisors are associated with a smaller distance between the surfaces of the upper lip and teeth and with a more protruded lip shape.
| Item Type: | Article |
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| Uncontrolled Keywords: | 1601 Anthropology, 2101 Archaeology |
| Subjects: | Q Science > QM Human anatomy Q Science > QP Physiology |
| Divisions: | Natural Sciences & Psychology (closed 31 Aug 19) |
| Publisher: | The Anthropological Society of Nippon |
| Related URLs: | |
| Date Deposited: | 16 Oct 2017 10:35 |
| Last Modified: | 04 Sep 2021 11:06 |
| DOI or ID number: | 10.1537/ase.151206 |
| URI: | https://researchonline.ljmu.ac.uk/id/eprint/7358 |
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