The Anthropology of Modern Human Teeth: Dental Morphology and Its Variation in Recent Human Populations

Voorkant
Cambridge University Press, 2000 - 382 pagina's
0 Recensies
Dental anthropologists focus on the variation around a commonly shared pattern, a variation expressed by differences in tooth size and morphology. This book centers on the morphological characteristics of tooth crowns and roots that are either present or absent in any given individual and that vary in frequency among populations. These nonmetric dental traits are controlled largely by genetic factors and provide a direct link between extinct and extant populations. The book illustrates more than thirty tooth crown and root traits and reviews their biological and genetic underpinnings. From a database of more than 30,000 individuals, the geographic variation of twenty-two crown and root traits is graphically portrayed. A global analysis of tooth morphology shows both points of agreement and disagreement with comparable analyses of genetic and craniometric data. These findings are relevant to the hotly contested issue of timing and geographic context of modern human origins.
 

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Inhoudsopgave

Dental anthropology and morphology
1
Dental anatomy and dental morphology
2
A brief history of dental morphological studies
5
Dental morphology and physical anthropology
10
Goals and organization
12
Description and classification of permanent crown and root traits
15
Components and features of tooth crowns and roots
19
Trait descriptions
24
Environmental effects on crown morphology
159
Current views on the genetics of dental morphology
161
Ramifications of genetic studies to population studies
163
Geographic variation in tooth crown and root morphology
165
Geographic subdivisions of humankind
167
Characterization of dental variation
177
Regional characterizations
235
Establishing method and theory for using tooth morphology in reconstructions of late Pleistocene and Holocene human population history
243

Methods of observation
59
Observer error
69
Biological considerations ontogeny asymmetry sex dimorphism and inter trait association
74
Dental ontogeny
75
Fluctuating asymmetry
96
Sex dimorphism
105
Intertrait association
109
Summary
128
Genetics of morphological trait expression
131
The quest for simple modes of inheritance
132
Quasicontinuous variation
136
Complex segregation analysis
142
Family resemblance and heritability
144
Crown morphology and the diagnosis of twin zygosity
157
Adaptation and dental morphology
247
Biological distance
254
Levels of differentiation
259
Tooth morphology and population history
269
Sinodonty and Sundadonty
270
Global analysis
285
Craniometric and genetic data in light of the dental evidence for human population relationships
298
Epilogue
308
Appendixes
318
Sources of comparative data used for compiling tables in chapter 5
325
References
337
Index
371
Copyright

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Populaire passages

Pagina 345 - Seventeen years among the sea Dyaks of Borneo; a record of intimate association with the natives of the Bornean jungles, by EH Gomes.
Pagina 340 - Butler, PM, 1937. Studies of the mammalian dentition. I. The teeth of Centetes ecaudatus and its allies.

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