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Forensic Anthropology

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https://www.readbyqxmd.com/read/28721987/evaluation-of-occlusal-groove-patterns-of-mandibular-first-and-second-molars-in-an-indian-population-a-forensic-anthropological-study
#1
Rashmi Gs Phulari, Rajendrasinh Rathore, Mili D Takvani, Shivani Jain
BACKGROUND: The study of dental morphological characteristics is important in anthropological research as it can provide information on the phylogenetic relationship between species, as well as variations and diversities within a population. AIMS AND OBJECTIVES: To determine the prevalence of six types of mandibular second molars in Gujarat state and the results can be used in both forensic anthropological researches and clinical aspects of dental sciences. MATERIALS AND METHODS: This descriptive investigation was undertaken among 1000 students (13-25 years old) in high schools and dental institutes of Gujarat state...
May 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28714560/validation-and-reliability-of-the-sex-estimation-of-the-human-os-coxae-using-freely-available-dsp2-software-for-bioarchaeology-and-forensic-anthropology
#2
Jaroslav Brůžek, Frédéric Santos, Bruno Dutailly, Pascal Murail, Eugenia Cunha
OBJECTIVES: A new tool for skeletal sex estimation based on measurements of the human os coxae is presented using skeletons from a metapopulation of identified adult individuals from twelve independent population samples. For reliable sex estimation, a posterior probability greater than 0.95 was considered to be the classification threshold: below this value, estimates are considered indeterminate. By providing free software, we aim to develop an even more disseminated method for sex estimation...
July 17, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28706489/difference-in-striae-periodicity-of-heilongjiang-and-singaporean-chinese-teeth
#3
Sharon H X Tan, Yu Fan Sim, Chin-Ying S Hsu
Striae periodicity refers to the number of cross-striations between successive lines of Retzius in tooth enamel. A regular time dependency of striae periodicity, known as the circaseptan interval, has been proposed. Previous studies on striae periodicity have been carried out on both modern and early humans given its potential applications in forensic age estimations and anthropology. Nevertheless, research comparing striae periodicities across gender groups and populations in different geographical locations, particularly in Asia, is lacking...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28704439/inner-and-inter-population-structure-construction-of-chinese-jiangsu-han-population-based-on-y23-str-system
#4
Huipin Wang, Huajie Ba, Chun Yang, Jianqiu Zhang, Yunchun Tai
In this study, we analyzed the genetic polymorphisms of 23 Y-STR loci from PowerPlex® Y23 system in 916 unrelated healthy male individuals from Chinese Jiangsu Han, and observed 912 different haplotypes including 908 unique haplotypes and 4 duplicate haplotypes. The haplotype diversity reached 0.99999 and the discrimination capacity and match probability were 0.9956 and 0.0011, respectively. The gene diversity values ranged from 0.3942 at DYS438 to 0.9607 at DYS385a/b. Population differentiation within 10 Jiangsu Han subpopulations were evaluated by RST values and visualized in Neighbor-Joining trees and Multi-Dimensional Scaling plots as well as population relationships between the Jiangsu Han population and other 18 Eastern Asian populations...
2017: PloS One
https://www.readbyqxmd.com/read/28697737/radiologic-evaluation-of-orbital-index-among-ghanaians-using-ct-scan
#5
Benard Ohene Botwe, Derick Seyram Sule, Abdul Mumin Ismael
BACKGROUND: Orbital index (OI) expresses the proportion of the orbital height to the orbital width and varies with race, regions within the same race and periods in evolution. This index is useful in forensic medicine, anthropology and surgery. However, the average OI among Ghanaian adults was unknown. AIM: The aim of this study was to determine the orbital index of adult Ghanaians and classify them under one of the three predetermined groups. METHOD: The study design was a retrospective cross-sectional...
July 11, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28691915/forensic-individual-age-estimation-with-dna-from-initial-approaches-to-methylation-tests
#6
REVIEW
A Freire-Aradas, C Phillips, M V Lareu
Individual age estimation is a key factor in forensic science analysis that can provide very useful information applicable to criminal, legal, and anthropological investigations. Forensic age inference was initially based on morphological inspection or radiography and only later began to adopt molecular approaches. However, a lack of accuracy or technical problems hampered the introduction of these DNA-based methodologies in casework analysis. A turning point occurred when the epigenetic signature of DNA methylation was observed to gradually change during an individual´s lifespan...
July 2017: Forensic Science Review
https://www.readbyqxmd.com/read/28678377/cascading-bias-of-initial-exposure-to-information-at-the-crime-scene-to-the-subsequent-evaluation-of-skeletal-remains
#7
Sherry Nakhaeizadeh, Ruth M Morgan, Carolyn Rando, Itiel E Dror
Thirty-eight participants took part in a study that investigated the potential cascading effects of initial exposure to extraneous context upon subsequent decision-making. Participants investigated a mock crime scene, which included the excavation of clandestine burials that had a male skeletal cast dressed either in female or gender neutral clothing. This was followed by a forensic anthropological assessment of the skeletal remains, with a control group assessing the same male skeletal cast without any clothing context...
July 5, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28666560/worldwide-population-variation-in-pelvic-sexual-dimorphism-a-validation-and-recalibration-of-the-klales-et-al-method
#8
Michael W Kenyhercz, Alexandra R Klales, Kyra E Stull, Kyle A McCormick, Stephanie J Cole
Sex estimation is an integral aspect of biological anthropology. Correctly estimating sex is the first step to many subsequent analyses, such as estimating living stature or age-at-death. Klales et al. (2012) [6] provided a revised version of the Phenice (1969) [3] method that expanded the original three traits (ventral arc, subpubic concavity/contour, and medial aspect of the ischio-pubic ramus) into five character states to capture varying degrees of expression within each trait. The Klales et al. (2012) [6] method also provided associated probabilities with each sex classification, which is of particular importance in forensic anthropology...
May 8, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28654195/dynamics-of-the-oral-microbiota-as-a-tool-to-estimate-time-since-death
#9
Joe Adserias Garriga, Narciso M Quijada, Marta Hernandez, David Rodríguez Lázaro, Dawnie Steadman, Jesús Garcia-Gil
Oral cavity harbors one of the most diverse microbiomes in the human body. It has been shown to be the second most complex in the body after the gastro- intestinal tract. Upon death, the indigenous microorganisms lead the decomposition of the carcass. Therefore, oral cavity and gastro-intestinal tract microbiomes, play a key role in human decomposition. The aim of the present study is to monitor the microbiome of decaying bodies on a daily basis and to identify signature bacterial taxa, that can improve postmortem interval estimation...
June 27, 2017: Molecular Oral Microbiology
https://www.readbyqxmd.com/read/28635867/-the-investigations-into-the-amino-acid-composition-of-the-tooth-for-the-purpose-of-forensic-medical-personality-identification
#10
Yu I Pigolkin, G V Zolotenkova, P S Velenko, B N Izotov
The increasingly greater requirements for the new approaches to the forensic medical personality identification necessitate the extensive search for and the development of the precise methods enabling the experts to determine the general personality signs in the cases of mass mortality and the large number of victims with the conspicuous post-mortem changes in their appearance including those associated with putrefaction and strong fragmentation of the bodies. This article presents the analytical review demonstrating that determination of the victims' age in the combination with the analysis of the amino acid composition of dental tissues provides a promising tool for the investigations not only in the fields of archeology and anthropology but also for the purpose of personality identification in forensic medicine...
2017: Sudebno-meditsinskaia Ekspertiza
https://www.readbyqxmd.com/read/28634680/stability-of-upper-face-sexual-dimorphism-in-central-european-populations-czech-republic-during-the-modern-age
#11
Šárka Bejdová, Ján Dupej, Václav Krajíček, Jana Velemínská, Petr Velemínský
One of the most fundamental issues in forensic anthropology is the determination of sex and population affinity based on various skeletal elements. Therefore, we compared the sexual dimorphism of the upper facial skeleton from a recent Czech population (twenty-first century) with that of a population from Early Modern Age Bohemia (sixteenth to eighteenth centuries). Methods of geometric morphometrics were applied. According to the results, sexual dimorphism in terms of size, shape, and form was statistically significant in both populations...
June 21, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28613039/sex-estimation-standards-for-medieval-and-contemporary-croats
#12
Željana Bašić, Ivana Kružić, Ivan Jerković, Deny Anđelinović, Šimun Anđelinović
AIM: To develop discriminant functions for sex estimation on medieval Croatian population and test their application on contemporary Croatian population. METHODS: From a total of 519 skeletons, we chose 84 adult excellently preserved skeletons free of antemortem or postmortem changes and took all standard measurements. Sex was estimated/determined using standard anthropological procedures and ancient DNA (amelogenin analysis) where pelvis was insufficiently preserved or where sex morphological indicators were not consistent...
June 14, 2017: Croatian Medical Journal
https://www.readbyqxmd.com/read/28612898/sex-estimation-by-femur-in-modern-thai-population
#13
T Monum, S Prasitwattanseree, S Das, P Siriphimolwat, P Mahakkanukrauh
Sex estimation is an important step of postmortem investigation and the femur is a useful bone for sex estimation by using metric analysis method. Even though there have been a reported sex estimation method by using femur in Thais, the temporal change related to time and anthropological data need to be renewed. Thus the aim of this study is to re-evaluate sex estimation by femur in Thais. 97 adult male and 103 female femora were random chosen from Forensic osteology research center and 6 measurements were applied tend to...
May 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28606333/sex-estimation-from-the-scapula-in-a-contemporary-thai-population-applications-for-forensic-anthropology
#14
Tanya R Peckmann, Shelby Scott, Susan Meek, Pasuk Mahakkanukrauh
The impact of climate change is estimated to be particularly severe in Thailand. Overall, the country faces an increase in surface temperatures, severe storms and floods, and a possible increase in the number of mass disasters in the region. It is extremely important that forensic scientists have access to sex estimation methods developed for use on a Thai population. The goal of this project is to evaluate the accuracy of sex estimation discriminant functions, created using contemporary Mexican and Greek populations, when applied to a contemporary Thai sample...
July 2017: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/28560543/bone-and-soft-tissue-histology-a-new-approach-to-determine-characteristics-of-offending-instrument-in-sharp-force-injuries
#15
Tania Delabarde, Catherine Cannet, Jean Sébastien Raul, Annie Géraut, Marc Taccoen, Bertrand Ludes
This paper describes a new approach to determine characteristics of the implement used to inflict trauma which involves the histological analysis of exogenous particles. Based on Locard's principle "every contact leaves a trace," we decided to assess whether histological examination of bone and soft tissue around a penetrating injury (sharp force trauma) could provide evidence of the offending implement. Case reports and experimental studies have demonstrated the potential of cut mark features in bone to identify the causative implement and potentially assist in identifying the perpetrator...
May 30, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28558311/prevalence-of-the-number-of-cusps-and-occlusal-groove-patterns-of-the-mandibular-molars-in-a-saudi-arabian-population
#16
Nayef H Felemban, Bhari S Manjunatha
A dental trait in humans can be a valuable diagnostic tool in anthropological studies for classifying and characterizing different ethnic groups. Many studies have attempted to relate the prevalence of dental morphologies with different factors. Several variations, such as variations in the size, number of cusps, and groove pattern, have been observed in the mandibular molars of diverse populations. The morphological features of the occlusal surfaces of the mandibular molars have been described by Gregory and Hellman...
July 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28549551/age-estimation-by-the-cameriere-s-normalized-measurements-cnm-of-the-single-permanent-mandibular-tooth-on-a-panoramic-radiograph
#17
Ivan Galić, Andrea Pacifici, Daniele Carbone, Luciano Pacifici, Ana Jerončić, Roberto Cameriere
In this study Cameriere's normalized measurements (CNM) of a single mandibular tooth were evaluated for age estimation on a sample of ortopantomographies (OPTs) of 2223 Italian children aged between 4 and 15years. Dental maturity was radiographically evaluated by CNM of the seven left permanent mandibular teeth (CNMi=Ai/Li, i=1,…,7); in monoradicular teeth, the distance (Ai, i=1,…,5) between the inner sides of the open apex was measured while in biradicular teeth (Ai, i=6, 7), the sum of the distances between the inner sides of the two open apices was calculated...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28549544/genetic-dissection-of-five-ethnic-groups-from-punjab-north-west-india-a-study-based-on-autosomal-markers
#18
Gagandeep Singh, Indu Talwar, Harkirat Singh Sandhu, Kawaljit Matharoo, A J S Bhanwer
The present study assessed the applicability of Alu insertion elements and Single Nucleotide Polymorphisms (SNPs) in forensic identification and estimated the extent of genetic variation in five major ethnic groups of Punjab, North-West India. A total of 1012 unrelated samples belonging to Banias, Brahmins, Jat Sikhs, Khatris and Scheduled Castes were genotyped for four Alu elements (ACE, APO, PLAT, D1) and six Single Nucleotide Polymorphisms [ESR (PvuII), LPL (PvuII), HTR2A (MspI), DRD2 Taq1A, Taq1B, Taq1D]...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28547887/quantifying-sexual-dimorphism-in-the-human-cranium-a-preliminary-analysis-of-a-novel-method
#19
Ana M Casado
In forensic anthropology, sexually dimorphic cranial features are traditionally visually assessed and scored using an ordinal scale, which is highly subjective. This study quantifies six cranial features using original three-dimensional coordinate measurements to provide greater accuracy in sex estimation. Cranial features include supraorbital ridges, glabella, external occipital protuberance, nuchal protuberances, mastoid processes, and frontal bosses. Measurements were taken using coordinate calipers from 158 White and Black male and female crania from the Maxwell Documented Collection at University of New Mexico and Tennessee's Bass Collection...
May 26, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28534146/detection-of-glass-particles-on-bone-lesions-using-sem-eds
#20
Romain Montoriol, Céline Guilbeau-Frugier, Elodie Chantalat, Mathieu Roumiguié, Marie-Bernadette Delisle, Bruno Payré, Norbert Telmon, Frédéric Savall
The problem of identifying the wounding agent in forensic cases is recurrent. Moreover, when several tools are involved, distinguishing the origin of lesions can be difficult. Scanning electron microscopy (SEM)/energy dispersive X-ray analysis (EDS) equipment is increasingly available to the scientific and medical community, and some studies have reported its use in forensic anthropology. However, at our knowledge, no study has reported the use of SEM-EDS in forensic cases involving glass tools, whether in case reports or experiments...
May 23, 2017: International Journal of Legal Medicine
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