Asymmetry Of Tooth Size
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Asymmetry Of Tooth Size
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Author : James Dudley Wilcox
language : en
Publisher:
Release Date : 1981
Asymmetry Of Tooth Size written by James Dudley Wilcox and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Dental anthropology categories.
Human Adult Odontometrics
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Author : Julius A. Kieser
language : en
Publisher: Cambridge University Press
Release Date : 1990-06-28
Human Adult Odontometrics written by Julius A. Kieser and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-06-28 with Medical categories.
An appreciation of the genetic and environmental determinants of tooth size is fundamental to an understanding of the metric variation of teeth in humans. Thus, besides imparting a sound knowledge of the theories of dental inheritance, development and evolution, this book has an important role in demonstrating the diverse practical applications of odontometrics. A particular feature of the book is the inclusion of numerous tables which bring together a vast body of information on tooth size in different population groups. Students of oral biology, orthodontics, physical anthropology, human biology, forensic science and archaeology will find this work of great value as a text and reference source. As Professor Phillip Tobias writes in the foreword, 'The breadth of Dr Kieser's reading, and his mastery of a staggering array of anthropological, evolutionary, embryological, orthodontic and statistical concepts shine through every page of this work'.
Tooth Size And Asymmetry As Measurements Of Malnutrition In Mexican Children
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Author : Arlene Perry
language : en
Publisher:
Release Date : 1989
Tooth Size And Asymmetry As Measurements Of Malnutrition In Mexican Children written by Arlene Perry and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Dental anthropology categories.
Assessment Of Dental Asymmetry Utilizing Orthodontic Study Casts
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Author : Matthew W. Sprowls
language : en
Publisher:
Release Date : 2002
Assessment Of Dental Asymmetry Utilizing Orthodontic Study Casts written by Matthew W. Sprowls and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
An Estimation Of The Heritability Of Fluctuating Asymmetry In Tooth Dimensions In A Population Of Monozygous And Dizygous Twins
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Author : Richard Louis McManaman
language : en
Publisher:
Release Date : 1974
An Estimation Of The Heritability Of Fluctuating Asymmetry In Tooth Dimensions In A Population Of Monozygous And Dizygous Twins written by Richard Louis McManaman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
Fluctuating Dental Asymmetry At The Imperial Roman Necropolis Of Velia
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Author : Morgan LaFleur
language : en
Publisher:
Release Date : 2011
Fluctuating Dental Asymmetry At The Imperial Roman Necropolis Of Velia written by Morgan LaFleur and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Fluctuating asymmetry is frequently used as an indicator of developmental stress. This study assesses asymmetry in a Roman Imperial sample from the coast of Italy. The purpose of this investigation was to analyze asymmetry in the adult dentition of 54 individuals from the necropolis of Velia in order to record overall magnitude of FA and the presence or absence of directional asymmetry and antisymmetry. The data was evaluated for patterns such as sex and size differences in FA frequencies, differences between maxillary and mandibular teeth, differences between the mesiodistal and buccolingual dimensions, differences between posterior and anterior teeth, and correspondence to field theory. Tests showed that the Velia sample had no directional asymmetry or antisymmetry present. Analyses of fluctuating asymmetry revealed that Velia males consistently have more asymmetry than females. No significant differences were noted between dimensions, however significantly higher asymmetry was noted for the posterior teeth, and for the maxillary teeth in both sexes. The asymmetry frequencies loosely correspond to dental field theory for both males and females. Evidence of skeletal and dental pathology from Velia and similar Imperial Roman samples indicate that stress during growth and development was common. The presence of fluctuating asymmetry at Velia confirms that fluctuating dental asymmetry is a useful indicator of developmental instability.
The Relationship Of Tooth Loss To Mandibular Asymmetry
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Author : Bryon R. Kozak
language : en
Publisher:
Release Date : 2001
The Relationship Of Tooth Loss To Mandibular Asymmetry written by Bryon R. Kozak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Mandible categories.
Tooth Size And Occlusion In Twins
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Author : Anders Lundström
language : en
Publisher:
Release Date : 1948
Tooth Size And Occlusion In Twins written by Anders Lundström and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1948 with Heredity, Human categories.
Increased Tooth Crown Size In Females From Opposite Sex Dizygotic Twins
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Author : Daniela Cisoto Ribeiro
language : en
Publisher:
Release Date : 2012
Increased Tooth Crown Size In Females From Opposite Sex Dizygotic Twins written by Daniela Cisoto Ribeiro and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Dentition categories.
Studies in rodents and humans have suggested that masculinisation of females and feminisation of males can occur between fetuses in utero due to hormonal diffusion. Opposite-sex twin pairs provide a useful model to study the effects of prenatal hormone diffusion on tooth size. This study aims to determine whether primary and permanent tooth sizes are altered in females and/or males from opposite-sex dizygotic (DZOS) twins compared with same-sex monozygotic (MZ) or dizygotic (DZSS) twins; to assess the sexual dimorphism between males and females from all zygosities; and to quantify the amount and magnitude of dental asymmetries, both directional and fluctuating asymmetries, in the different twin groups. Serial dental models of the primary, mixed and permanent dentitions of 122 males and 135 females, aged from 4 to 16 years of age from DZOS, MZ and DZSS twin pairs, were used. Mesiodistal (MD) and buccolingual (BL) crown dimensions, crown heights (CH) and intercuspal (IC) dimensions of all primary teeth and the permanent central incisors, lower lateral incisors, canines, second premolars, first and second molars were measured to an accuracy of 0.1mm using a 2D image analysis system. Dental crowns of DZOS females were consistently larger by approximately 1-3% in MD and BL dimensions, by 2.7-4.7% in CH dimensions and by 0.5-0.8% in IC dimensions of permanent teeth compared with other female groups. Although the differences were smaller than in the permanent dentition, the primary dentition also showed larger dental crown size in DZOS females by 0.5-2% in MD and BL dimensions, 3% in CH and by 1% in IC dimensions. No systematic trend for altered tooth size was found in either dentition or for any of the crown dimensions between the male twin groups. There was no evidence of systematic directional asymmetry in either dentition in males or females from all the different zygosity groups, whereas fluctuating asymmetry was evident in all groups with the magnitude being smaller for MD and BL dimensions compared with CH and IC dimensions. There was no evidence that the magnitude of fluctuating asymmetry differed significantly between the different zygosity groups. This analysis shows a trend for primary and permanent dental crown size to be larger in DZOS females than in the other female twins. A multivariate analysis of variance confirmed that there were statistically significant differences between the twin zygosity groups, with the CH dimensions showing the greatest effect. No effects were found in DZOS males. The effects on DZOS females may be related to circulating male hormones from the co-twin in utero, supporting the view that variation in tooth size reflects an interplay between genetic, epigenetic and environmental influences during development, with hormonal effects playing a small but significant role.
The Anthropology Of Modern Human Teeth
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Author : G. Richard Scott
language : en
Publisher: Cambridge University Press
Release Date : 2000-06
The Anthropology Of Modern Human Teeth written by G. Richard Scott and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-06 with Medical categories.
A global study of dental variation offering insights into modern human origins.