Estimation of age in dental human by dentition - Journal of Research on Archaeometry
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year 6, Issue 2 (2020)                   JRA 2020, 6(2): 175-189 | Back to browse issues page

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Farnam E. Estimation of age in dental human by dentition. JRA. 2020; 6 (2) :175-189
Abstract:   (468 Views)
Although estimation of age at death is an essential part of reconstructing information from the skeletal material, it is one of the most difficult and controversial investigation in bioarcheology, because individuals of the same chronological age can show different biological age. Among the various   methods used, estimating the age by the teeth, because of both their more stability in archaeological contexts and their ability to change with age, is very attentive and applicable. Even though many of modern methods are used in forensic science are based on tooth sections and   histological examinations which are not appropriate in archaeological samples due to tooth destruction. In this article besides introducing and discussing the nondestructive methods of using teeth in estimating the age of human remains, the advantages and disadvantages of each method are mentioned. purpose of this paper is to review the methods of dental age estimation for subadults by studying “tooth development” and for adults by observing “physiological degenerations”. Because of the regular formation and eruption times for teeth, dental development is the most widely used technique for ageing subadult remains. Based on this assumption, a graphic summary of data on dental development has been provided which contains all of the calcification, eruption and root completion times. Since a permanent tooth erupts, it begins to wear. If the rate of wear within a population is fairly homogeneous it follows that the dental wear is a function of age.  As teeth age, formation of secondary dentine reduces the coronel height and width of the pulp cavity.  Some researchers used this to radiographs   of adult individuals and have been able to obtain accurate results. Other studies have shown that apical translucency of tooth roots correlates with adult age, but applications of the technique have shown it to be less useful than other   methods.
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Technical Note: Review | Subject: Archaeometry
Received: 2020/10/5 | Accepted: 2020/12/19 | Published: 2020/12/24 | ePublished: 2020/12/24

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