The dental developmental status of six East African juvenile fossil hominids
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Making meaning from fragmentary fossils: Early Homo in the Early to early Middle Pleistocene
2023, Journal of Human EvolutionPatterns of permanent incisor, canine and molar development in modern humans, great apes and early fossil hominins
2022, Archives of Oral BiologyCitation Excerpt :Clearly, gingival emergence can never be observed in fossils or in museum specimens and mixing observations about radiographic stages of development with assumptions about gingival emergence has generally been regarded as less than satisfactory. Observations about the stages of dental development or tooth eruption status made using the same definitions and on large enough samples of modern humans and great apes have not always been readily available for comparison (Beynon & Dean, 1991; Broom & Robinson, 1951; Conroy, 1988; Dean & Liversidge, 2015; Dean, 1985, 1987; Dean et al., 1993; Garn & Lewis, 1963; Garn et al., 1957; Grine, 1987; Kelley & Schwartz, 2012; Kuykendall & Conroy, 1996; Mann et al., 1990; Moggi-Cecchi et al., 1998; Smith, 1986, 1994a, 1994b; Wallace, 1977). The aim of this study was to combine radiographic data for a large sample of modern humans with comparable data collected from existing radiographs of once free-living great ape specimens of Pan, Gorilla and Pongo.
'Virtual anthropology' and radiographic imaging in the Forensic Medical Sciences
2016, Egyptian Journal of Forensic SciencesGenetic comparisons yield insight into the evolution of enamel thickness during human evolution
2014, Journal of Human EvolutionCitation Excerpt :Thick enamel distinguishes modern humans from chimpanzees and gorillas and has long been a central feature in discussions of the origins and evolution of humans (Molnar and Gantt, 1977; Martin, 1983; Martin, 1985; Grine and Martin, 1988; Schwartz, 2000; Teaford and Ungar, 2000; Ungar et al., 2006; Teaford, 2007). Teeth are frequently preserved in the fossil record and enamel thickness has measurable links to tooth function and development, conferring a strong potential for variation in enamel thickness to provide insights into the inter-relations among dietary adaptation, phylogeny, behavioral ecology, and life history during human evolution (Dean, 1985, 1987; Smith, 1991, 1993, 1994; Smith and Tompkins, 1995; Dean, 2000; Dean, 2006; Lacruz et al., 2008; Dean and Smith, 2009; Guatelli-Steinberg, 2009; Dean, 2010; Schwartz, 2012). Our interest in the thick enamel phenotype of humans stems from our efforts to uncover the genetic basis for the origin of diet-related traits in humans (Haygood et al., 2007; Babbitt et al., 2011; Fedrigo et al., 2011; Pfefferle et al., 2011).