Sex Difference in Tooth Size

Garn, Stanley M.; Lewis, Arthur B.; Kerewsky, Rose S.

doi:10.1177/00220345640430022401

Cited by 199 publications

(105 citation statements)

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“…No sexual dimorphism was found for any mesiodistal measurement in both Class II Division 2 groups. These results contrast with studies conducted in samples of the general population which have consistently demonstrated a bigger dental pattern in the male gender than in the female 16,17 .…”

Section: Discussioncontrasting

confidence: 99%

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Different manifestations of Class II Division 2 incisor retroclination: A morphologic study

Pereira

Ferreira

Tavares

et al. 2013

American Journal of Orthodontics and Dentofacial Orthopedics

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Section: Discussioncontrasting

confidence: 99%

“…There is scientific evidence of sexual dimorphism in the human tooth size 16,17 as well as in the maxillary arch widths 18 (i.e. on average males exhibit wider teeth and wider arches than females).…”

Section:  Maximum Mesiodistal Crown Diameter Of the Left Mandibular mentioning

confidence: 99%

Different manifestations of Class II Division 2 incisor retroclination: A morphologic study

Pereira

Ferreira

Tavares

et al. 2013

American Journal of Orthodontics and Dentofacial Orthopedics

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“…Schwartz and Dean (2005) hypothesized that the size difference could be the result of a greater amount of dentin tissue present in male teeth. But other studies found very little sexual dimorphism in tooth size (Garn et al, 1964;Hillson, 1996;Mizoguchi, 1988). Harris (2003) reported that sexual variance accounted only for 1.2% of the total variation among studied groups.…”

Section: Introductionmentioning

confidence: 91%

First molar size and wear within and among modern hunter-gatherers and agricultural populations

Górka

Romero

Pérez‐Pérez

2015

HOMO

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Please cite this article as: Górka, K., Romero, A., Pérez-Pérez, A.,First molar size and wear within and among modern hunter-gatherers and agricultural populations, Journal of Comparative Human Biology (2015), http://dx.doi.org/10. 1016/j.jchb.2015.02.007 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. AbstractApart from reflecting modern human dental variation, differences in dental size among populations provide a means for studying continuous evolutionary processes and their mechanisms. Dental wear, on the other hand, has been widely used to infer dietary adaptations and variability among or within diverse ancient human populations. Few such studies have focused on modern foragers and farmers, however, and diverse methods have been used. This research aimed to apply a single, standardized, and systematic quantitative procedure to measure dental size and dentin exposure in order to analyze differences among several hunter-gatherer and agricultural populations from various environments and geographic origins. In particular, we focused on sexual dimorphism and intergroup differences in the upper and lower first molars. Results indicated no sexual dimorphism in molar size and wear within the studied populations. Despite the great ethnographic variation in subsistence strategies among these populations, our findings suggest that differences in sexual division of labor do not affect dietary wear patterns.

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“…[20][21] The population of Bangkok is composed of people with origins from each region of Thailand. Although the majority of Bangkokians are of Thai ethnic background, centuries of migration and invasion have resulted in a mixing in of many other ethnicities, as has subse- [22][23] This circumstance might be expected to affect the normal range of tooth widths in this population.…”

Section: Introductionmentioning

confidence: 99%

Comprehensive intermaxillary tooth width proportion of Bangkok residents

Manopatanakul

Watanawirun

2011

Braz. oral res.

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Proper occlusion depends on the correct width ratio between upper and lower teeth, known as Bolton's ratio. In fact, this ratio can be calculated for each pair of teeth from the central incisor to the first permanent molar. This set of ratios, known as comprehensive cumulative percentage ratios (CPRs), can be used not only to determine which tooth or teeth have a tooth width discrepancy, but can also enable the partial graphical analysis of tooth width discrepancy when there is agenesis of certain permanent teeth. Although CPRs have been calculated for Caucasians, tooth width is known to vary depending on racial origin. Therefore, a test of differences between racial groups should be carried out. If these ratios of the Caucasians and Bangkokians are significantly different, the ratio of the Bangkokians is recommended. The objective of this study was to measure tooth size disproportion for Thai patients and to calculate a corresponding set of CPRs. Thirty-seven pairs of dental models were made from a group of Bangkok residents with normal occlusion. Mesiodistal tooth width was measured for each model. The intra-and inter-examiner measurement errors were ascertained as insignificant (p > 0.05). CPRs were then calculated and compared to those derived from other studies. Ten of thirteen CPRs were significantly different from corresponding values derived from Caucasians. We conclude that tooth width ratios vary between different racial groups, and therefore that these should be calculated specifically for each patient racial group.

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Sex Difference in Tooth Size

Cited by 199 publications

References 0 publications

Different manifestations of Class II Division 2 incisor retroclination: A morphologic study

Different manifestations of Class II Division 2 incisor retroclination: A morphologic study

First molar size and wear within and among modern hunter-gatherers and agricultural populations

Comprehensive intermaxillary tooth width proportion of Bangkok residents

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