Tooth components of mandibular deciduous molars of <i>Homo sapiens sapiens</i> and <i>Homo sapiens neanderthalensis</i>: A radiographic study

Zilberman, Uri; Skinner, Mark; Smith, Patricia

doi:10.1002/ajpa.1330870303

Cited by 33 publications

(25 citation statements)

References 14 publications

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“…Wolpoff's discussion (1979) of advanced formation of Neandertal third molars relative to Europeans]. Also, they are alleged to have thinner enamel (Molnar et al, 1993;Zilberman, Skinner & Smith, 1992;; which reduces susceptibility to enamel hypoplasia within contemporary dentitions (Skinner & Goodman, 1992). No allowance is made here for differences in timing caused by variation in tooth height (Berti & Mahaney, 1992); data on unworn tooth height being virtually non-existent for the samples under discussion.…”

Section: Discussionmentioning

confidence: 95%

Developmental Stress in Immature Hominines from Late Pleistocene Eurasia: Evidence from Enamel Hypoplasia

Skinner

1996

Journal of Archaeological Science

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Section: Discussionmentioning

confidence: 95%

Developmental Stress in Immature Hominines from Late Pleistocene Eurasia: Evidence from Enamel Hypoplasia

Skinner

1996

Journal of Archaeological Science

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“…In particular, tooth structural evidence from traditional radiology (1,30,(42)(43)(44)(45) and microtomography and histology (3,6,10,27,28) suggests that the Neandertal relative anterior versus posterior formation stages may result from volumetric and tissue proportional differences between the anterior and posterior teeth.…”

Section: Discussionmentioning

confidence: 99%

Dental maturational sequence and dental tissue proportions in the early Upper Paleolithic child from Abrigo do Lagar Velho, Portugal

Bayle

Macchiarelli

Trinkaus

et al. 2010

Proc. Natl. Acad. Sci. U.S.A.

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Neandertals differ from recent and terminal Pleistocene human populations in their patterns of dental development, endostructural (internal structure) organization, and relative tissue proportions. Although significant changes in craniofacial and postcranial morphology have been found between the Middle Paleolithic and earlier Upper Paleolithic modern humans of western Eurasia and the terminal Pleistocene and Holocene inhabitants of the same region, most studies of dental maturation and structural morphology have compared Neandertals only to later Holocene humans. To assess whether earlier modern humans contrasted with later modern populations and possibly approached the Neandertal pattern, we used high-resolution microtomography to analyze the remarkably complete mixed dentition of the early Upper Paleolithic (Gravettian) child from Abrigo do Lagar Velho, Portugal, and compared it to a Neandertal sample, the late Upper Paleolithic (Magdalenian) child of La Madeleine, and a worldwide extant human sample. Some aspects of the dental maturational pattern and tooth endostructural organization of Lagar Velho 1 are absent from extant populations and the Magdalenian specimen and are currently documented only among Neandertals. Therefore, a simple Neandertal versus modern human dichotomy is inadequate to accommodate the morphostructural and developmental variation represented by Middle Paleolithic and earlier Upper Paleolithic populations. These data reinforce the complex nature of Neandertal-modern human similarities and differences, and document ongoing human evolution after the global establishment of modern human morphology.

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“…Only radiographs with good superimposition of cusp tips and no overlapping of mesial and distal borders of adjacent teeth were measured. In such radiographs, rotation and distortion of the image seen on the radiograph have been previously shown to be less than 5 degrees (Zilberman et al, 1992). Age and sex of the children were obtained from their dental charts.…”

Section: Methodsmentioning

confidence: 99%

Sex- and Age-related Differences in Primary and Secondary Dentin Formation

Zilberman

Smith

2001

Adv Dent Res.

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-Clinical studies carried out on dentin thickness in adults, as well as experimental studies carried out on ovariectomized animals, indicate that odontoblast activity, like that of osteoblastic cells, differs in the two sexes. To examine the evidence for differences in odontoblast activity before puberty, we have measured dentin thickness and other crown dimensions from bitewing radiographs of the lower first molars in 240 children aged 4-16 years. The radiographs were obtained from pedodontic clinics throughout Israel. Only teeth without caries or fillings were used, and the study population had minimal attrition. The results showed that dentin thickness, measured on the roof of the pulp chamber, was significantly greater in boys than in girls at all ages, and that the differences increased during puberty. The differences remained highly significant even when standardized for crown size. They demonstrate that dimorphism in dentin thickness is present even in the earliest stages of odontogenesis and increase with puberty.

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Tooth components of mandibular deciduous molars of Homo sapiens sapiens and Homo sapiens neanderthalensis: A radiographic study

Cited by 33 publications

References 14 publications

Developmental Stress in Immature Hominines from Late Pleistocene Eurasia: Evidence from Enamel Hypoplasia

Developmental Stress in Immature Hominines from Late Pleistocene Eurasia: Evidence from Enamel Hypoplasia

Dental maturational sequence and dental tissue proportions in the early Upper Paleolithic child from Abrigo do Lagar Velho, Portugal

Sex- and Age-related Differences in Primary and Secondary Dentin Formation

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