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Malschitzky C, Vidigal MTC, Moreira DD, Silva RF, de Andrade Vieira W, Paranhos LR, Franco A. How reliable is stature estimation by dental means? Systematic review and meta-analysis. Forensic Sci Int 2024; 361:112149. [PMID: 39047515 DOI: 10.1016/j.forsciint.2024.112149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 07/09/2024] [Accepted: 07/13/2024] [Indexed: 07/27/2024]
Abstract
Dental measurements have been proposed as parameters for stature estimation for at least 85 years. The scientific literature on the topic, however, is controversial regarding the performance of the method. This systematic literature review of observational cross-sectional studies aimed to compile evidence to support decisions in the forensic practice regarding the use of dental measurements for stature estimation. Embase, LILACS, MedLine (via PubMed), SciELO, Scopus, Web of Science, DansEasy and Open Access Thesis and Dissertations (OATD) were searched. Data regarding the rate of correct stature classifications were extracted. A meta-analysis with a Random Intercept Logistic Regression model and a Logit Transformation was conducted. The search led to 10.803 entries, out of which 15 were considered eligible (n = 1486 individuals). The studies were published between 1990 and 2020 and were authored by South American (n = 7) and Asian (n = 8) research teams. Dental measurements were predominantly (93.34 %) performed on dental casts or via intraoral inspection. The overall rate of correct classifications based on stature was 68 %. Excluding outliers, the overall accuracy of the method decreased to 64 % (95 %CI: 54-73 %). Significant heterogeneity was detected (I² = 72.4 %, τ2 = 0.24, H = 1.91, p < 0.001). Egger's test (p = 0.94) and the funnel plot did not reveal publication bias. Dental measurements are not reliable for stature estimation in the forensic field.
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Affiliation(s)
| | - Maria Tereza Campos Vidigal
- Postgraduate Program in Dentistry, Faculdade de Odontologia, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | | | - Rhonan Ferreira Silva
- Department of Forensic Dentistry, Universidade Federal de Goiás, Goiânia, Brazil; Department of Forensic Dentistry and Anthropology, Scientific Police of Goiás, Goiânica, Brazil
| | - Walbert de Andrade Vieira
- Department of Dentistry, Universidade das Faculdades Associadas de Ensino - FAE, São João da Boa Vista, SP, Brazil
| | - Luiz Renato Paranhos
- Division of Social and Community Dentistry, Faculdade de Odontologia, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Ademir Franco
- Division of Forensic Dentistry, Faculdade São Leopoldo Mandic, Campinas, Brazil; Department of Therapeutic Dentistry, Institute of Dentistry, Sechenov University, Moscow, Russia.
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Ems G, Severino L, Nisolle JF, Nicaise C, Lambrichts I, LoMonaco M, Bronckaers A, Hontoir F, Vandeweerd JM. Volumetry of ovine incisors dental pulp for further regenerative therapy. Anat Histol Embryol 2023; 52:770-777. [PMID: 37278128 DOI: 10.1111/ahe.12935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 05/23/2023] [Indexed: 06/07/2023]
Abstract
Mesenchymal stem cells (MSCs) are used for regenerative therapy. Dental pulp MSCs make extracted wisdom teeth a useful resource in humans. Preclinical validation of regenerative therapies requires large animal models such as the sheep. Since stem cells can be retrieved from the dental pulp of ovine incisors, the best age to extract a maximal volume of dental pulp needs to be defined. The objective of this ex vivo study was to quantify incisors dental pulp volume, in sheep of various age. Three jaws were dedicated to histology (one per age group); the others were imaged with a computed tomography scanner [3 years-old (n = 9), 4 (n = 3) and 6 (n = 5)]. The incisors dental pulp volume was measured after 3D reconstruction. Multiple linear regression showed that dental pulp volume of ovine incisors decreases with age (β-estimate = -3.3; p < 0.0001) and teeth position from the more central to the more lateral (β-estimate = -4.9; p = 0.0009). Weight was not a relevant variable in the regression model. The dental pulp volume ranged from 36.7 to 19.6 mm3 in 3-year-old sheep, from 23.6 to 11.3 in 4-year-old sheep, and from 19.4 to 11.5 in 6-year-old sheep. The pulp volume of the most central teeth (first intermediate) was significantly higher than the most lateral teeth (corner). Haematoxylin-Eosin-Safran of the whole incisors, and of isolated dental pulps demonstrated a similar morphology to that in humans. The first intermediate incisor of 3-year-old sheep should be selected preferentially in preclinical research to retrieve the highest volume of dental pulp.
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Affiliation(s)
- Guillaume Ems
- URVI (Unité de Recherche Vétérinaire Intégrée), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, Namur, Belgium
| | - Leandra Severino
- URVI (Unité de Recherche Vétérinaire Intégrée), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, Namur, Belgium
| | - Jean-François Nisolle
- CHU UCL NAMUR (Centre Hospitalier Universitaire-Université Catholique de Louvain-Namur), Godinne, Belgium
| | - Charles Nicaise
- LNR (Laboratoire Neurodégénérescence et Régénération), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, Namur, Belgium
| | - Ivo Lambrichts
- Cardio & organ systems, BIOMED, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium
| | - Melissa LoMonaco
- Cardio & organ systems, BIOMED, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium
| | - Annelies Bronckaers
- Cardio & organ systems, BIOMED, Faculty of Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium
| | - Fanny Hontoir
- URVI (Unité de Recherche Vétérinaire Intégrée), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, Namur, Belgium
| | - Jean-Michel Vandeweerd
- URVI (Unité de Recherche Vétérinaire Intégrée), Namur Research Institute for Life Sciences (NARILIS), Université de Namur, Namur, Belgium
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Yang G, Chen Y, Li Q, Benítez D, Ramírez LM, Fuentes-Guajardo M, Hanihara T, Scott GR, Acuña Alonzo V, Gonzalez Jose R, Bortolini MC, Poletti G, Gallo C, Rothhammer F, Rojas W, Zanolli C, Adhikari K, Ruiz-Linares A, Delgado M. Dental size variation in admixed Latin Americans: Effects of age, sex and genomic ancestry. PLoS One 2023; 18:e0285264. [PMID: 37141293 PMCID: PMC10159210 DOI: 10.1371/journal.pone.0285264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 04/19/2023] [Indexed: 05/05/2023] Open
Abstract
Dental size variation in modern humans has been assessed from regional to worldwide scales, especially under microevolutionary and forensic contexts. Despite this, populations of mixed continental ancestry such as contemporary Latin Americans remain unexplored. In the present study we investigated a large Latin American sample from Colombia (N = 804) and obtained buccolingual and mesiodistal diameters and three indices for maxillary and mandibular teeth (except third molars). We evaluated the correlation between 28 dental measurements (and three indices) with age, sex and genomic ancestry (estimated using genome-wide SNP data). In addition, we explored correlation patterns between dental measurements and the biological affinities, based on these measurements, between two Latin American samples (Colombians and Mexicans) and three putative parental populations: Central and South Native Americans, western Europeans and western Africans through PCA and DFA. Our results indicate that Latin Americans have high dental size diversity, overlapping the variation exhibited by the parental populations. Several dental dimensions and indices have significant correlations with sex and age. Western Europeans presented closer biological affinities with Colombians, and the European genomic ancestry exhibited the highest correlations with tooth size. Correlations between tooth measurements reveal distinct dental modules, as well as a higher integration of postcanine dentition. The effects on dental size of age, sex and genomic ancestry is of relevance for forensic, biohistorical and microevolutionary studies in Latin Americans.
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Affiliation(s)
- Guangrui Yang
- Ministry of Education Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development, School of Life Sciences and Human Phenome Institute, Fudan University, Shanghai, China
| | - Yingjie Chen
- Ministry of Education Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development, School of Life Sciences and Human Phenome Institute, Fudan University, Shanghai, China
| | - Qing Li
- Ministry of Education Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development, School of Life Sciences and Human Phenome Institute, Fudan University, Shanghai, China
| | - Daniel Benítez
- Department of Anthropology, University of Kentucky, Lexington, Kentucky, United States of America
| | | | - Macarena Fuentes-Guajardo
- Departamento de Tecnología Médica, Facultad de Ciencias de la Salud, Universidad de Tarapacá, Arica, Chile
| | - Tsunehiko Hanihara
- Department of Anatomy, Kitasato University School of Medicine, Sagamihara, Japan
| | - G Richard Scott
- Department of Anthropology, University of Nevada Reno, Reno, Nevada, United States of America
| | - Victor Acuña Alonzo
- Molecular Genetics Laboratory, National School of Anthropology and History, Mexico City, Mexico
| | - Rolando Gonzalez Jose
- Instituto Patagónico de Ciencias Sociales y Humanas, Centro Nacional Patagónico, CONICET, Puerto Madryn, Argentina
| | - Maria Catira Bortolini
- Departamento de Genética, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brasil
| | - Giovanni Poletti
- Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Perú
| | - Carla Gallo
- Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Perú
| | | | - Winston Rojas
- GENMOL (Genética Molecular), Universidad de Antioquia, Medellín, Colombia
| | | | - Kaustubh Adhikari
- School of Mathematics and Statistics, Faculty of Science, Technology, Engineering and Mathematics, The Open University, Milton Keynes, United Kingdom
| | - Andres Ruiz-Linares
- Ministry of Education Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development, School of Life Sciences and Human Phenome Institute, Fudan University, Shanghai, China
- Laboratory of Biocultural Anthropology, Law, Ethics, and Health (Centre National de la Recherche Scientifique and Etablissement Français du Sang, UMR-7268), Aix-Marseille University, Marseille, France
| | - Miguel Delgado
- Ministry of Education Key Laboratory of Contemporary Anthropology and Collaborative Innovation Center of Genetics and Development, School of Life Sciences and Human Phenome Institute, Fudan University, Shanghai, China
- División Antropología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, República Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Buenos Aires, República Argentina
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Canine sexual dimorphism in Ardipithecus ramidus was nearly human-like. Proc Natl Acad Sci U S A 2021; 118:2116630118. [PMID: 34853174 DOI: 10.1073/pnas.2116630118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2021] [Indexed: 11/18/2022] Open
Abstract
Body and canine size dimorphism in fossils inform sociobehavioral hypotheses on human evolution and have been of interest since Darwin's famous reflections on the subject. Here, we assemble a large dataset of fossil canines of the human clade, including all available Ardipithecus ramidus fossils recovered from the Middle Awash and Gona research areas in Ethiopia, and systematically examine canine dimorphism through evolutionary time. In particular, we apply a Bayesian probabilistic method that reduces bias when estimating weak and moderate levels of dimorphism. Our results show that Ar. ramidus canine dimorphism was significantly weaker than in the bonobo, the least dimorphic and behaviorally least aggressive among extant great apes. Average male-to-female size ratios of the canine in Ar. ramidus are estimated as 1.06 and 1.13 in the upper and lower canines, respectively, within modern human population ranges of variation. The slightly greater magnitude of canine size dimorphism in the lower than in the upper canines of Ar. ramidus appears to be shared with early Australopithecus, suggesting that male canine reduction was initially more advanced in the behaviorally important upper canine. The available fossil evidence suggests a drastic size reduction of the male canine prior to Ar. ramidus and the earliest known members of the human clade, with little change in canine dimorphism levels thereafter. This evolutionary pattern indicates a profound behavioral shift associated with comparatively weak levels of male aggression early in human evolution, a pattern that was subsequently shared by Australopithecus and Homo.
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Šimková PG, Weber GW, Ramirez Rozzi FV, Slimani L, Sadoine J, Fornai C. Morphological variation of the deciduous second molars in the Baka Pygmies. Sci Rep 2021; 11:16480. [PMID: 34389746 PMCID: PMC8363745 DOI: 10.1038/s41598-021-95524-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 07/16/2021] [Indexed: 11/09/2022] Open
Abstract
The Baka Pygmies are known for their short stature resulting from a reduced growth rate during infancy. They are peculiar also for their teeth erupt earlier than in any other African population, and their posterior dentition is larger than in non-Pygmy populations. However, the Baka's dental morphology, like several other aspects of their biology, is still understudied. Here, we explore the variation of the Baka's deciduous upper and lower second molars (dm2s) in comparison to a geographically heterogeneous human sample by means of 3D geometric morphometrics and analysis of dental traits. Our results show that the different populations largely overlap based on the shape of their dm2s, especially the lower ones. Their distal region and the height of the dentinal crown differ the most, with the Baka showing the most extreme range of variation. Upper and lower dm2s covary to a great extent (RV = 0.82). The Baka's and South Americans' dm2s were confirmed among the largest in our sample. Despite the Baka's unique growth pattern, long-lasting isolation, and extreme dental variation, it is not possible to distinguish them from other populations based on their dm2s' morphology only.
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Affiliation(s)
- Petra G Šimková
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria.
| | - Gerhard W Weber
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
- Core Facility for Micro-Computed Tomography, University of Vienna, Vienna, Austria
| | - Fernando V Ramirez Rozzi
- UMR7206 Ecoanthropologie, MNHN, CNRS, UP, Musée de L'Homme, Paris, France
- EA 2496 Pathologies, Imagerie et biothérapies oro-faciales, Université Paris Descartes, Montrouge, France
| | - Lotfi Slimani
- UR2496 - Plateforme Imageries du Vivant, Université de Paris, Montrouge, France
| | - Jérémy Sadoine
- UR2496 - Plateforme Imageries du Vivant, Université de Paris, Montrouge, France
| | - Cinzia Fornai
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria.
- Institute of Evolutionary Medicine, University of Zurich, Zurich, Switzerland.
- Vienna School of Interdisciplinary Dentistry, Klosterneuburg, Austria.
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