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10 results for “dental wear”
Dataset on the dental morphology and occlusal dental wear of pre-colonial societies of the South and Southeast Coast of Brazil
<p>This dataset compiles information on dental morphology and occlusal dental wear of 431 individuals exhumed from coastal and riverine sites of the South and Southeast Coast of Brazil, dated between approximately 10,000 to 1,000 years before present. Dental traits were scored according to the Arizona State University Dental Anthropology System (ASUDAS) (Scott and Irish, 2017; Turner II et al., 1991). Few additional mandibular traits were added following Hauser and Stefano (1989). Occlusal dental wear was scored according to the method described in Smith (1984).</p> <p>Sex and age at death estimations derive from previous studies (Estevam, 2020; Fischer, 2012; Neves et al., 2005; Silva, 2005; Tognoli, 2016; Wesolowski, 2007). When this information was not available from previous studies, it was assessed by the first author (Fidalgo, 2021) using standard protocol methods (Buikstra and Ubelaker, 1994). Further detailed information and description of each variable can be consulted within the “description” and “dental grades” sheets in the excel file.</p> <p>The dataset is part of a PhD project developed at the Museu de Arqueologia e Etnologia da Universidade de São Paulo, carried by Daniel Fidalgo and advised by Veronica Wesolowski and Mark Hubbe (Fidalgo, 2021). Manuscripts have already been published using this data (Fidalgo et al., 2021a, 2021b). All research was funded by Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), grants 17/20637-4 and 19/18289-3. It was also supported by Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) grant 001.</p>
Comparison of occlusal dental wear and degenerative alterations of the temporomandibular joint in two medieval populations from central Europe
<p>This repository contains the radiographs of the mandibular condyles published in the paper titled "Comparison of dental status parameters and degenerative alterations of the temporomandibular joint in central European medieval skeletal finds". The radiographs were obtained with a portable X-ray unit (Kavo Nomad-Pro).</p> <p>Selected CT reconstructions of the condyles are available for a sub-group of individuals.</p> <p>Files naming convention:</p> <p>- Files name start with the burial number (ex. B10; Z98);</p> <p>- R and L stand for "right" and "left";</p> <p>- AP: anteroposterior view; LM: lateromedial view.</p>
Two-point time-series of dental wear scores for baboon mandibular second molars
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Trophic evolution in ornithopod dinosaurs revealed by dental wear
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Data from: Enamel hypoplasia and dental wear of North American late Pleistocene horses and bison: an assessment of nutritionally-based extinction models
Approximately 50,000 – 11,000 years ago many species around the world became extinct or were extirpated at a continental scale. The causes of the late Pleistocene extinctions have been extensively debated and continue to be poorly understood. Several extinction models have been proposed, including two nutritionally-based extinction models: coevolutionary disequilibrium and mosaic-nutrient models. These models draw upon the individualistic response of plant species to climate change to present a plausible scenario in which nutritional stress is considered one of the primary causes for the late Pleistocene extinctions. In this study, we tested predictions of the coevolutionary disequilibrium and mosaic-nutrient extinction models through the study of dental wear and enamel hypoplasia of Equus and Bison from various North American localities. The analysis of the dental wear (microwear and mesowear) of the samples yielded results which are consistent with predictions established for the coevolutionary disequilibrium model, but not for the mosaic-nutrient model. These ungulate species show statistically different dental wear patterns (suggesting dietary resource partitioning) during preglacial and full-glacial time intervals, but not during the postglacial in accordance with predictions of the coevolutionary disequilibrium model. In addition to changes in diet, these ungulates, specifically the equid species, show increased levels of enamel hypoplasia during the postglacial indicating higher levels of systemic stress, a result which is consistent with the models tested and with other climate-based extinction models. The extent to which the increase in systemic stress was detrimental to equid populations remains to be further investigated, but suggests that environmental changes during the late Pleistocene significantly impacted North American equids.
Duration of Second Stage of Labor Wearing a Dental Occlusion Device
ClinicalTrials.gov study NCT00629369. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Data from: Enamel hypoplasia and dental wear of North American late Pleistocene horses and bison: an assessment of nutritionally-based extinction models
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CHAIN1 : Dental Wear and Musculoskeletal Disorders - Association?
ClinicalTrials.gov study NCT04059432. IPD Sharing: YES. Countries: 1. Publications: 0.
Associations Between Obesity, Dental Caries, Erosive Tooth Wear and Periodontal Disease in Adolescents: A Case Control-study
ClinicalTrials.gov study NCT05146557. IPD Sharing: NO. Countries: 0. Publications: 0.
This Study Will Examine Shortened Treatment Wear Time for Patients With Mixed Dentition Using AirFlex Aligner, Sequential Dental Aligners.
ClinicalTrials.gov study NCT07220317. IPD Sharing: UNDECIDED. Countries: 0. Publications: 0.
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.