Article1979

A correlation of tooth wear and age among modern Igloolik Eskimos

78 citations0/0 files storedAmerican Journal of Physical Anthropology

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Forensic Anthropology and Bioarchaeology Studies Orthodontics and Dentofacial Orthopedics Pleistocene-Era Hominins and Archaeology

Abstract

The level of molar wear can be estimated reliably by measuring the cusp height. A correlation between age and the level of molar wear, expressed by a normalizing index (TWI) of cusp height, was found to exist in a sample of modern Igloolik Northwest Territories Eskimos. Not only was it possible to derive linear regression models to test the degree of correlation in the sample of 46 female and 39 male maxillary casts of Igloolik Eskimos, but the models were capable of accurately predicting the age of natives of the neighboring Hall Beach community. Sexual dimorphism in molar wear, perhaps attributable to differential bruxism, was demonstrated for the Igloolik sample. Based on the combined estimate of slopes for each maxillary molar pair for females and males, it was discovered that the male maxillary molars are worn approximately 30% more rapidly than female maxillary molars.

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References

1972Digging up bones 1963THE DENTITION IN THE ASSESSMENT OF INDIVIDUAL AGE IN SKELETAL MATERIAL 1972Tooth Wear and Culture: A Survey of Tooth Functions Among Some Prehistoric Populations [and Comments and Reply]1972Diet and attrition in the natufians 1959The changing pattern of dentine exposure in human tooth attrition 1967Dentition of a mesolithic population from Wadi Halfa, Sudan

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1989Differences in the Rate of Molar Wear between Monkeys Raised on Different Diets 2008A Bayesian Approach to Estimate Skeletal Age‐at‐Death Utilizing Dental Wear 1982Periodontal disease in the prehistoric Ipiutak and Tigara skeletal remains from Point Hope, Alaska 2006Osteoporosis in a population from medieval Norway 1995Molar crown height as a means of evaluating existing dental wear scales for estimating age at death in human skeletal remains 1998Dental Age in Adults — A Review of Estimation Methods 1983Measurements of tooth wear among Australian Aborigines: I. Serial loss of the enamel crown

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