Severe developmental defects of enamel in a human skeleton of the Final Jomon age from the Nakazawahama shell-mound, Iwate, Japan
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概要
- 論文の詳細を見る
In an adult human skeleton of the Final Jomon age excavated at the Nakazawahama shell-mound in Iwate Prefecture, northeastern Japan, grooved enamel defects (about 2 mm in width) were observed circumferentially around the dental crowns of the upper left central incisor, upper right lateral incisor, and upper right canine. Observations of the crown surface using a stereomicroscope and evaluations of soft X-ray images revealed severe developmental defects of enamel (DDEs), having the characteristics of both enamel hypoplasia and enamel hypocalcification caused by systemic metabolic stresses. We estimated that these defects were formed at the age of late 1 year. This is the first report on such severe enamel defects in a Jomon skeleton.
- 日本人類学会の論文
著者
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Hirata Kazuaki
Department Of Anatomy St. Marianna University School Of Medicine
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Dodo Yukio
Department Of Anatomy And Anthropology Tohoku University Graduate School Of Medicine
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Sawada Junmei
Department Of Anatomy And Anthropology Tohoku University School Of Medicine
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SATO Masahiko
Board of Education of Rikuzentakada City
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Suzuki Toshihiko
Division Of Dental And Craniofacial Anatomy Tohoku University Graduate School Of Dentistry
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Dodo Yukio
Department of Anatomy and Anthropology, Tohoku University School of Medicine
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YONEDA Minoru
Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, Japan
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