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16.11.2016 | Original Article | Ausgabe 3/2017

Odontology 3/2017

Sex differences of dental pathology in early modern samurai and commoners at Kokura in Japan

Zeitschrift:
Odontology > Ausgabe 3/2017
Autoren:
Joichi Oyamada, Yoshikazu Kitagawa, Masahito Hara, Junya Sakamoto, Takayuki Matsushita, Toshiyuki Tsurumoto, Yoshitaka Manabe

Abstract

So-called “Ohaguro”, teeth blackening, in the married females was a general custom regardless of class in the early modern period. As a result, Ohaguro was thought to have enhanced the acid resistance of tooth substance and tightened gingiva and prevented tooth morbidity due to periodontal disease. For investigation into the influence of Ohaguro, the skeletal remains of early modern samurai and commoners at Kokura were examined for differences in the dental pathology based on sex. Though females from archeological sites have significantly more carious teeth and antemortem tooth loss (AMTL) than males in the previous studies, the prevalence of caries and AMTL in males was higher than in females among the early modern samurai and commoners in Kokura. The efficacies of Ohaguro may influence the good dental health of females. On the other hand, as females were considered inferior to males under the feudal system in Japan, males, including children, might tend to consume more nutritious foods compared to females. However, those foods are certainly not better with regard to dental health, since those foods are more highly cariogenic. These factors may have caused higher caries and AMTL prevalence among males compared to females in early modern Kokura.

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