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Tooth wear of the population from the terra-cotta site near the mausoleum of Qinshihuang

Han Ying-xing

Open publisher page 2 citations

Abstract

AIM:To investigate the rules and trends of tooth attrition by studying the tooth wear of the people in the terra-cotta site in Qin dynasty.METHODS:2523 teeth of 113 individuals in terra-cotta site near the mausoleum of Qinshihuang in Lintong were measured by the Smith Knight′s Tooth Wear Index.Differences of mean attrition of tooth in different positions were compared.RESULTS:The score of mean attrition of tooth was from 0.85±0.65 to 2.59 ±1.02 in different position.There was a significant difference between variations.CONCLUSION:The first molar was the most serious and the third molar was the least.There was no obvious difference in the mean attrition at the position of the first molar,canine and central incisor ( P 0.05).The frequency of tooth wear increased with the age of persons.Their general attrition was less severe than neolithic people′s attrition and more than modern people. [

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AIM:To investigate the rules and trends of tooth attrition by studying the tooth wear of the people in the terra-cotta site in Qin dynasty.METHODS:2523 teeth of 113 individuals in terra-cotta site near the mausoleum of Qinshihuang in Lintong were measured by the Smith Knight′s Tooth Wear Index.Differences of mean attrition of tooth in different positions were compared.RESULTS:The score of mean attrition of tooth was from 0.85±0.65 to 2.59 ±1.02 in different position.There was a significant difference between variations.CONCLUSION:The first molar was the most serious and the third molar was the least.There was no obvious difference in the mean attrition at the position of the first molar,canine and central incisor ( P 0.05).The frequency of tooth wear increased with the age of persons.Their general attrition was less severe than neolithic people′s attrition and more than modern people. [

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Available abstract

AIM:To investigate the rules and trends of tooth attrition by studying the tooth wear of the people in the terra-cotta site in Qin dynasty.METHODS:2523 teeth of 113 individuals in terra-cotta site near the mausoleum of Qinshihuang in Lintong were measured by the Smith Knight′s Tooth Wear Index.Differences of mean attrition of tooth in different positions were compared.RESULTS:The score of mean attrition of tooth was from 0.85±0.65 to 2.59 ±1.02 in different position.There was a significant difference between variations.CONCLUSION:The first molar was the most serious and the third molar was the least.There was no obvious difference in the mean attrition at the position of the first molar,canine and central incisor ( P 0.05).The frequency of tooth wear increased with the age of persons.Their general attrition was less severe than neolithic people′s attrition and more than modern people. [

Key concepts: Attrition, Dentistry, Tooth wear, Molar, Maxillary central incisor, Significant difference, Permanent tooth, Orthodontics

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