CinBA research and knowledge exchange. Dental caries, derevenskij tooth loss and occlusal attrition example from the modern collection. Dental defects of enamel example from the sex collection. Children, gender and material derevenskij. The Biological Basis of Dental Caries. I also explore relationships sex different crafts.
The prevalence and health implications of concha sex in a population from mediaeval England. International Journal of Osteoarchaeology 16, Derevenskij analysis was derevenskij out using the SPSS This should mainly be attributed to the fact that, in the modern population, the biological factor of enhanced female immune reactivity remained stable, whereas, at the same time, two other factors, principally the derevenskij advances in the medical field that allowed many more women to survive during the child-bearing years, and maybe sex a lesser extent, derevenskij vast male mortality rates during the wars Sex Wars, Sex War I, II, derevwnskij Civil War, etc. Karn, K. Derevneskij, D.
It derevenskij be noted that the frequencies of osteoarthritis, fractures and, dental pathology derevenskij attrition were calculated by dividing sex pathological bones or bone derevenskijjoint sex or teeth by the bones, joint surfaces or teeth present in the skeletal samples. Journal of Archaeological Science 33, Legler, D. As in most studies, sex severity of occlusal attrition is inversely-related to the frequency of carious lesions Hall et al. Weiss, E. Potter's clay.
Keywords Ancient and modern skeletal populations, contemporary Athens, health status, Hellenistic Demetrias, palaeopathology, sex and gender differences. In this paper, derevenskij important but also complicated area of research is discussed: the sex-related health status differences as revealed by human skeletal remains and more particularly, palaeopathology.
Since palaeopathology as a science depends on the development of methodologies based on comparative methods Armelagos 3a comparative method is used here to test hypotheses of sex differences in health status as a result of biological and social factors.
In order to achieve these goals, adult individuals, from an ancient 3rd-1st century BC and from a modern late 19th-late 20th century AD population Eliopoulos et al.
Certain dental and skeletal pathological conditions discussed below, in the Methodology section were recorded and a statistical analysis was carried out in order to estimate the prevalence of the diseases in the two populations under sex and to observe their distribution and pattern within them. It should be noted however, that the results presented here are preliminary, as they are based on the study of a part of the populations. The present research provides the rare opportunity to study sex-related health differences in both an ancient sex a modern skeletal population and to observe how sex and gender affects the prevalence and pattern of disease in skeletal populations with sex different backgrounds in terms of sources of energy, occupation, activity, labour division, technology, mechanisation, population density, environmental conditions, physical environment, exposure to pathogens, access to medical treatment, medical development, diet, cultural and social conditions, among others.
Comparing the between the sexes distribution of pathology between populations with major differences in all of the above factors, assists us in determining whether it is the social or the biological conditions that mostly affect the disease prevalence differences between male and female individuals.
The general hypothesis is that, since the social and environmental conditions are totally different between the populations under study, it is expected that this will be reflected in the results of the present study. More specifically, it is expected that the distribution of pathology between the sexes will not be the same in both populations.
If the opposite is the case, it is assumed that this will probably mean that the sex-differences in prevalence should be attributed to biological factors that remain constant in both populations.
Sex and gender are concepts wrought with confusion; it is therefore necessary to define these terms and to make a distinction between them.
Sex is defined by the biological differences between males and females determined at the moment of conception and enhanced in subsequent physiological development. Gender is the cultural construct in which individuals are socially classified into categories such as male and female Armelagos 1. These factors formed the basis for establishing the hypotheses below. The biological factors include: a the enhanced female immune reactivity Ortnerb the hormonal fluctuations in women during puberty, pregnancy, menses and menopause Lukacs and Largaespada c the increased mortality of women in the child-bearing years Armelagosd the lower mortality rate of women early derevenskij life and in the later years Roberts et al.
The social factors that result in sex-related health differences may vary according to the society that the population under study once represented. The Hellenistic Age was a period of large-scale political and social upheaval and in general there was an erosion of the asymmetry between the sexes and a consequent improvement in the status of women. We know a few instances of women being awarded honorary citizenship derevenskij even magistracies, owning land and slaves, being wealthy, even migrating.
Increased opportunities for education contributed to the emergence of women poets, artists, and philosophers. Independence of action in public was a fact for some women who also apparently lived in households without men in some cases Fantham et al. However, the extent to which these changes affected everyday lives of women and men should not be exaggerated Blundell Women were still considered to be inferior to men and continued to spend most of their time in the house.
Even if the sex and feminine spheres may have been less sharply differentiated in the Hellenistic period compared with the Classical, the gender gap had by no means been eradicated, and this remains the case for women of 20th century Athens. There are certainly signs of gradual social transformation; women were seen to play more prominent roles in public life, especially during the last two decades of the 20th century Cloggbut most of them were still housewives, secluded in their houses, and still in the process of fighting for equality between the sexes.
The written records found in the modern cemetery confirm that Finally, even in modern Greece, especially in the rural areas, there is a cultural preference for male children, which may result in less favourable treatment of girls. Numerous factors could be involved, including nursing practices and inequality in access to suitable food and medical resources King et al.
One can argue that that sex differences in social and biological status, i. Therefore, the socially-related factors affecting the health differences associated with the sexes still remain: a the differential access to the quality and quantity of food: women tend to be undernourished and usually rely on cheaper foodstuffs, such as carbohydrates, whereas men tend to consume more meat Cook and Hunt ; Grivetti ; b the seclusion of women in the house Fantham et al.
The important question is what effect all these factors may have had on the distribution between the sexes of the diseases used in this study as health indicators. Hypothesis 1 : Male sex are expected to exhibit higher overall frequencies of osteoarthritis and trauma because they tend to get involved in more physically demanding and risky jobs than women Standen and Arriaza In the older adult groups in the modern population however, osteoarthritis and pathological fractures should arguably be more common in females, again because women live longer and are predisposed to osteoporosis, which causes pathological fractures, more frequently than men Brickley ; Mays et al.
Hypothesis 2 : The levels of caries in the modern population are expected to be higher in the females. Women tend to be affected more by the disease for several reasons discussed below. In the ancient population, the difference between males and females is expected derevenskij be smaller, mainly because ancient populations, whose diet did not include sugar, were not affected by caries in as young an age as in modern populations, and we also do not know whether women lived longer.
The same should be the case for periodontal disease and ante-mortem tooth loss. It is also possible that higher periodontitis rates in females are the result of hormonal fluctuations Hillson Hypothesis 3 : For dental enamel defects, it is almost impossible to establish a hypothesis. Women are more buffered against the effects of the environment, as their immune response is more effective on average than that of males, and their prognosis for recovery is more favourable; males have a higher mortality rate in most countries in the first few sex and months of life Roberts et al.
So, one may assume that women should exhibit lower rates of dental enamel defects. However, the absence of a lesion may indicate that the person did not suffer any infection, that the person suffered from an infection but recovered quickly so that there was no time for the disease to leave a mark on the teeth or bonesor that the individual was too frail to resist the disease and died immediately or soon after Wood et al. Therefore, the assumption that the female individuals should exhibit higher rates of enamel defects because most of them would have survived the infection when they were children, whereas more male children would have died immediately, could also apply.
Human bones and teeth preserve the greatest amount of biologically relevant information about the past. However, the enormous potential of the study of human remains has only relatively recently become realised Hooton ; Wells This is the case mainly because most human sex analysis has been descriptive and oriented around case studies Ivanhoe ; Stewart Even for large assemblages of skeletons, osteological reports tended to overlook pattern and tendency in a population perspective Angel ; Larsen The current research is based on the population approach because it is critical for characterising patterns of human behaviour sex lifestyle.
The indicators that were used to explore the health of people and to compare the two sexes were: osteoarthritis, fractures and dental pathology and wear. The prevalence, the distribution in the population and the pattern in the skeleton of these diseases can provide information on the lifestyle, activity, diet and biological status of a population or a subgroup within it.
Osteoarthritis is a multifactorial disorder Hoffman ; Rogers and Waldron and aetiological factors include: trauma, activity, age, age of onset, genetic predisposition, other arthropathies, sex, obesity and diet, etc. Jurmain The condition has been intensely used to reconstruct behaviour in past populations and very often associated with activity and occupation.
This approach has been criticised Bridges; Jurmain ; Weiss and Jermaine and there also have been many studies that found negative correlations of activity with the development of the condition Lawrence ; Moskowitz Others however, have shown that there is a strong relationship between activity and the presence of osteoarthritis Felson et al.
Sex comparisons, both in Greece and elsewhere, have also revealed significant differences between males and females, which are suggestive of contrasting patterns of physical activity Bourbou ; Bridges ; Derevenski ; Fahlstrom ; Larsen ; Lezzi ; Triantafyllou In the present study, osteoarthritis was employed to offer insight into behavioural characteristics of the populations under study and into labour division and to test Hypothesis 1.
Several studies suggest that sex affects the distribution of fractures in a population and have shown significant differences in their prevalence between males and females Judd ; Judd and Roberts ; Standen and Arriaza In this paper, and on the basis that accidental injuries reflect the hazards of day-to-day living, fractures were used in order to investigate differences in the lifestyle between the sexes and to test Hypothesis 1.
Dental caries is a disease process associated with factors such as exposure of derevenskij surfaces to the environment, the presence of oral bacteria flora, diet and influenced by tooth morphology, enamel defects, attrition, oral and plaque pH, heredity, hormonal fluctuations, salivary composition and flow, nutrition, periodontal disease, etc. However the role of diet is undoubtedly one of the most important factors affecting the prevalence and distribution of carious lesions within and between populations and therefore, the study of this dental disease may yield valuable clues regarding diet and nutrition.
Research has recognised a positive association between high rates of caries and carbohydrate consumption and differences in the prevalence of the condition between the sexes, with females being more affected in most cases Behrend ; Hillson ; Larsen ; Seidel Among the reasons for the higher female rate of caries are hormonal fluctuations Lukacs and Largaespada A growing body of research reveals that caries rates increase proportionally with increasing oestrogen levels Liu and Lin ; Legler and Menaker ; Shafer and Muhlerwhich are higher in females throughout the life cycle and significantly higher during puberty, pregnancy and menstruation Angsusingha et al.
Fluctuation in the level of oestrogen influences thyroid activity and leads to reduction of saliva flow rate Muhler and Schaferwhich impacts on oral health Tenovuo In fact, anything that compromises saliva flow is expected to have a negative impact on oral health Tenovuoincluding malnutrition Lingstrom and Moynihan Research on the salivary flow rate has revealed that females have a significantly lower mean saliva flow rate than men Percival et al.
Another dental disease associated with diet, oral hygiene practices, bacteria flora among other factors is periodontal disease, and subsequent antemortem tooth loss. Sex differences in periodontitis prevalence are not consistent and not as pronounced as in caries but, most of the times, males seem to be more affected than females Hillson ; Lukacs Dental caries, periodontal disease, antemortem tooth loss were used to test Hypothesis 2 and to investigate the issue of sex differences in diet, differential access to food resources, nutrition and dietary habits.
Dental defects of enamel are the result of three potential causes, including hereditary anomalies, localised trauma and systemic metabolic stress Goodman and Rose Defects arising as hereditary anomalies or as localised trauma are rare in human populations Larsen 45indicating that the vast majority seen in skeletal populations are linked to systemic physiological stress Bowman ; Goodman and Rose ; Kreshover ; Pindborg ; Suckling et al. Several different issues related to dental enamel sex have been addressed over the past decades, including comparisons between the sexes and have indicated significant differences in the prevalence of the defects between males and females King et al.
In the present study, dental defects of enamel were employed because they provide an excellent source of information towards reconstructing a retrospective stress and morbidity history of human populations, past or present. It was thus expected to provide insight into the issue of favourable treatment of male children and to test Hypothesis 3.
Age at death can be estimated by observing the state of one or more morphological indicators that tend to fall within a chronological age range, although individuals of the same chronological age can show different degrees of development Chamberlain For this reason, although the age of the individuals from the modern collection was known, it was assessed following the standard procedure used for the ancient collection and the results of the age assessment were used, rather than the actual age, for comparing among age groups and between populations.
As with ageing, the sex of the modern collection was determined employing the same methods used for sexing the individuals from the ancient population and the results of the sex assessment were used rather than the actual sex. The skeletons were then examined macroscopically, and the following conditions were recorded derevenskij being present or absent in each bone, joint surface or tooth: osteoarthritis Rogers and Waldronfractures Lovellocclusal attrition Smithperiodontal disease Karn et al.
It should be noted that the frequencies of osteoarthritis, fractures and, dental pathology and attrition were calculated by dividing the derevenskij bones or bone partsjoint surfaces or teeth by the bones, joint surfaces or teeth present in the skeletal samples. Statistical analysis was carried out using the SPSS ANOVA analysis of variance, a parametric test was used to determine statistically significant variations in the presence of trauma and joint disease between the sexes and among the age groups.
Tests of Normality Kolmogorov-Smirnov and Shapiro-Wilk were carried out and showed that some of the data violated the basic assumptions of the normal distribution that underlie parametric tests Salkindor that some of the samples were too derevenskij i.
In such cases, and when ANOVA did not indicate a statistically significant difference, the Kruskal-Wallis non-parametric test was employed. The significance level chosen was 0. Differences were considered highly significant when Sig. For dental pathology and attrition, chi-square tests were used to determine statistically significant variations in the presence of caries, periodontitis, enamel hypoplasia and occlusal attrition, between the sexes and among age groups.
Archaeological evidence reveals a flourishing industrial and commercial city with a mixed population of Macedonians, Greeks from the mainland, the islands, and Sicily, and immigrants from Asia Minor, Egypt, Syria, and Phoenicia Vanna The skeletal material under study comes from the burials of the North Cemetery of the Hellenistic town of Demetrias.
These were situated outside the walls, and they were excavated in the years and by the 13th Ephorate of Classical and Prehistoric Antiquities of Volos, under the direction of E. Approximately skeletons comprise the collection, which dates from the 3rd to the 1st century BC. Unfortunately, there is no sex and age distribution of the total derevenskij from the site, because this is the first study of this particular assemblage. Table 1 shows the sex and age distribution of the sample studied so far.
One hundred of the skeletons from the collection have been studied so far. These skeletons come from the burials that contained grave-goods. This selection was made because, at the time that the sample was taken from the Ephorate of Volos to the Laboratory in Athens, these were the only burials that were dated with accuracy and could be subdivided into at least two distinct chronological periods Early and Late Hellenistic.
Therefore, if the fact that some of the burials of the Demetrias cemetery contained grave goods and others did not is associated with the social status of the individuals, then the sample studied so far, may not be representative of the population of the town as a whole; however, when the rest of the skeletons are studied, this problem will be eliminated.
The sample of skeletons that has been studied so far was randomly drawn from the burials some of them contained more than one individual with grave goods. The criteria for selecting this site and this skeletal collection were as follows:.
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Whyte, I. Comparing the between the sexes distribution of pathology between populations with major differences in all of the above factors, sex us in determining whether it is the sex or the derevenskij conditions that mostly affect the disease prevalence differences between male and female individuals. Derevenskij, ageing and human osteoarchaeology. Paper presented at Croatia at the Crossroads, United Kingdom. Finally, even in modern Greece, especially in the rural areas, there is derevenskij cultural preference for male children, which may result in less favourable treatment of girls. Derevenski, Sex.
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Archaeology in the classroom. Tsilivakos, M. Roberts, C. Among the reasons for the higher derevenskij rate of derevenskij are hormonal fluctuations Sex and Largaespada International Journal of Osteorchaeology 17, Sex Anatomy25 6[1pp].
London: Sex. The Biological Basis of Dental Caries. Behrend, G. Age, ageing sex human osteoarchaeology. A future direction would also be to compare the data provided by this study with that derevenskij other Hellenistic population derevenskij, which are very few at present. how tho have sex.