Enamel hypoplasia in the deciduous teeth of edo japanese.

Miyoko Yamamoto

12 citations0/0 files storedThe Journal of Anthropological Society of Nippon

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Forensic Anthropology and Bioarchaeology Studies dental development and anomalies Paleopathology and ancient diseases

Abstract

Enamel hypoplasia is a reduction in enamel thickness caused by a variety of nutritional deficiencies or systemic diseases which occur during tooth formation. Enamel hypoplasia in the deciduous teeth is considered as a valuable indicator of stress. Its frequency, time of occurrence, and association with cribra orbitalia were examined on 62 immature skulls from the Hitotsubashi Metropolitan High School Site (ca. 17th century), Tokyo, Japan. Of 42 observed individuals, 7 (16.7%) had enamel hypoplasia in the deciduous teeth. Most of the enamel hypoplasia detected occurred postnatally, few occurring prenatally and perinatally. The highest frequency was found on the deciduous maxillary central incisors (21.1%). These results suggest that people in Edo City lived under highly stressful environment.

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1979Health and differential survival in prehistoric populations: Prenatal dental defects 1977The role of diet, disease, and physiology in the origin of porotic hyperostosis.1985Deciduous enamel defects in prehistoric Americans from Dickson Mounds: Prenatal and postnatal stress 1977A descriptive and comparative study of the deciduous dentition of prehistoric Ohio Valley Amerindians 1988Enamel hypoplasia of the permanent teeth in Japanese from the Jomon to the modern periods.1978A Palaeopathological Study of the Vertebral Columns of the Japanese from Jomon to Edo Periods 1964Historical Changes in the Frequency of Dental Caries among the Japanese People

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