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Title: Enamel hypoplasias and physiological stress in the Sima de los Huesos Middle Pleistocene hominins
Authors: Cunha, E. 
Rozzi, F. Ramirez 
Castro, J. M. Bermúdez De 
Martinón-Torres, M. 
Wasterlain, S. N. 
Sarmiento, S. 
Keywords: Aging; Animals; Dental Enamel Hypoplasia; History, Ancient; Humans; Paleodontology; Prevalence; Severity of Illness Index; Spain; Tooth Abrasion; Hominidae
Issue Date: 2004
Citation: American Journal of Physical Anthropology. 125:3 (2004) 220-231
Serial title, monograph or event: American journal of physical anthropology
Volume: 125
Issue: 3
Abstract: This study presents an analysis of linear enamel hypoplasias (LEH) and plane-form defects (PFD) in the hominine dental sample from the Sima de los Huesos (SH) Middle Pleistocene site in Atapuerca (Spain). The SH sample comprises 475 teeth, 467 permanent and 8 deciduous, belonging to a minimum of 28 individuals. The method for recording PFD and LEH is discussed, as well as the definition of LEH. The prevalence of LEH and PFD in SH permanent dentition (unilateral total count) is 4.6% (13/280). Only one deciduous tooth (lower dc) showed an enamel disruption. Prevalence by individual ranges from 18.7-30%. The most likely explanation for the relatively low LEH and PFD prevalence in the SH sample suggests that the SH population exhibited a low level of developmental stress. The age at occurrence of LEH and PFD was determined by counting the number of perikymata between each lesion and the cervix of the tooth. Assuming a periodicity of nine days for the incremental lines, the majority of LEH in the SH sample occurred during the third year of life and may be related to the metabolic stress associated with weaning. Am J Phys Anthropol 123:000-000, 2004. © 2004 Wiley-Liss, Inc.
DOI: 10.1002/ajpa.10402
Rights: openAccess
Appears in Collections:I&D CIAS - Artigos em Revistas Internacionais
FCTUC Ciências da Vida - Artigos em Revistas Internacionais

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