The oral pathological conditions of the Broken Hill (Kabwe) 1 cranium

Lacy, Sarah

doi:10.1016/j.ijpp.2014.06.005

Cited by 7 publications

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“…The specimens from Sima del Elefante (estimated to 1.3 MA) and Sima de los Huesos (0.3 MA) display a wide diversity of pathologies such as alveolar lytic lesions, hypercementosis and dental calculus (Martinon-Torres et al 2011), as well as periodontal disease, periapical infections, and even osteitis ). The Broken Hill maxillary dentition (0.3-0.125 MA) displays hypercementosis, multiple lesions of cariogenic origin, periodontal disease, and possible effects of hyposalivation (Koritzer and St Hoyme 1979;Puech et al 1980;Bartsiokas and Day 1993;Lacy 2014b).In mid-to-late Pleistocene hominins such as the Neanderthals, dental pathologies are comparatively well documented (Smith 1976;Trinkaus 1978;Trinkaus 1985;Frayer and Russell 1987;Lalueza et al 1993;Tillier et al 1995;Skinner 1996;Trinkaus et al 2000;Lebel and Trinkaus 2002;Guatelli-Steinberg et al 2004;Walker et al 2011;Topić et al 2012;Lozano et al 2013;Lacy 2014a). A wide range of pathological features has been reported, from developmental defects such as linear enamel hypoplasia, to antemortem tooth loss, and in-vivo effects such as interproximal grooves reflecting the habitual use of toothpicks.…”

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Comparative analysis of dentognathic pathologies in the Dmanisi mandibles

Margvelashvili

Zollikofer

Lordkipanidze

et al. 2016

American J Phys Anthropol

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Objectives: Due to the scarcity of the fossil record, in-vivo changes in the dentognathic system of early Homo are typically documented at the level of individual fossil specimens, and it remains difficult to draw population-level inferences about dietary habits, diet-related activities and lifestyle from individual patterns of dentognathic alterations. The Plio-Pleistocene hominin sample from Dmanisi (Georgia), dated to 1.77 million years ago, offers a unique opportunity to study in-vivo changes in the dentognathic system of individuals belonging to a single paleodeme of early Homo. Materials and Methods: We analyze dentognathic pathologies in the Dmanisi sample, and in comparative samples of modern Australian and Greenlander hunter-gatherer populations, applying clinical protocols of dentognathic diagnostics. Results: The Dmanisi hominins exhibit a similarly wide diversity and similar incidence of dentognathic pathologies as the modern human hunter-gatherer population samples investigated here. Dmanisi differs from the modern population samples in several respects: At young age tooth wear is already advanced, and pathologies are more prevalent. At old age, hypercementosis is substantial. Discussion: Results indicate that dentognathic pathologies and disease trajectories are largely similar in early Homo and modern humans, but that the disease load was higher in early Homo, probably as an effect of higher overall stress on the dentognathic system. Key words: aging, tooth wear, caries, periodontitisThe Plio-Pleistocene site of Dmanisi has yielded a large sample of hominin fossils associated with abundant and diverse faunal remains and Mode I stone artifacts (Gabunia et al. 2001;Ferring et al. 2011;Mgeladze et al. 2011). Occupation of the site began shortly after 1.85 Ma. The fossil hominin finds are dated to 1.77 Ma (Ferring et al. 2011). Dmanisi thus represents the earliest evidence of Homo outside of Africa. The well-preserved cranial, mandibular and postcranial remains of five individuals are unique in offering detailed insights into patterns of morphological variation within a paleodeme of early Homo, and into patterns of growth and aging Margvelashvili et al. 2013;Zollikofer et al. 2014). The craniomandibular morphology of the Dmanisi paleodeme has been described previously (Gabunia and Vekua 1995;Gabunia et al. 2000;Gabunia et al. 2001;Gabounia et al. 2002;Lordkipanidze et al. 2005;Lordkipanidze et al. 2006;Rightmire et al. 2006;Rightmire and Lordkipanidze 2010;Lordkipanidze et al. 2013;Margvelashvili et al. 2013). Cranial and mandibular morphological variation within the Dmanisi paleodeme is wide, but well within the range of variation seen in modern humans populations, and in populations of chimpanzee subspecies (Skinner et al. 2006;Lordkipanidze et al. 2013;Margvelashvili et al. 2013;Zollikofer et al. 2014). Variation in size, shape and dentognathic features among the Dmanisi mandibles has received special attention and has been studied to address questions of phylogeny, taxonomy, sexual dimorphism, die...

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Comparative analysis of dentognathic pathologies in the Dmanisi mandibles

Margvelashvili

Zollikofer

Lordkipanidze

et al. 2016

American J Phys Anthropol

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“…Similar lesions caused by heavy wear have been found in archaeological samples of hunter-gatherers (Lieverse et al, 2007;Eshed et al, 2006), as well as in extant primates (Cuozzo & Sauther, 2012). Abscesses and other periapical voids have rarely been reported in fossil remains, but recent studies suggest they may not be as uncommon as once thought (e.g., Lacy et al, 2012;Lacy, 2014;Margvelashvili et al, 2016;Martinón-Torres et al, 2011;Gracia-Téllez et al, 2013). In particular, such voids-again likely related to wear-were described in another specimen of early Homo (i.e., Mandible D2600 from Dmanisi), which potentially belongs to the same species, Homo erectus, and is roughly contemporary with SK 847, dating to 1.77MA (Margvelashvili et al, 2016).…”

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“…In particular, such voids-again likely related to wear-were described in another specimen of early Homo (i.e., Mandible D2600 from Dmanisi), which potentially belongs to the same species, Homo erectus, and is roughly contemporary with SK 847, dating to 1.77MA (Margvelashvili et al, 2016). Periapical voids have been more frequently described in later Homo (Gracia-Téllez et al, 2013;Rosas et al, 2006;Lebel et al, 2001), though not all were wear related, e.g., Kabwe 1 (Lacy, 2014).…”

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“…Abscesses, and other periapical lesions, are commonly associated with both heavy crown wear and carious lesions in recent human archaeological samples. Until recently, they had rarely been reported in the hominin fossil record (Leek, 1966;Lacy et al, 2012;Lacy, 2014;Margvelashvili et al, 2016;Martinón-Torres et al, 2011;Gracia-Téllez et al, 2013). The most important factor in extant primates, as a whole, is severe occlusal attrition (Legge, 2012).…”

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Dental abscesses on the maxilla of a two million-year-old earlyHomospecimen

Towle

Irish

2019

Preprint

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Running title: Early Homo dental abscesses Number of text pages: 7Number of reference pages: 4 Number of figures: 1 AbstractAbscesses and other periapical lesions are found in abundance in recent archeological samples, yet are scarce in the fossil hominin record. Periapical voids commonly develop after exposure of a tooth's pulp chamber and are commonly associated with heavy crown wear, trauma or caries. In this study, all available maxilla and mandible fragments from the South African fossil hominin collections were studied, including specimens assigned to Homo naledi, Paranthropus robustus, Australopithicus africanus, A. sediba and earlyHomo. Only one specimen displayed voids consistent with periapical lesions, and a differential diagnosis of these voids was undertaken. The specimen, SK 847, is described as early Homo and has been dated to 2.3-1.65MA. There is one definite abscess, and likely at least two more with postmortem damage, all on the anterior aspect of the maxilla and associated with the incisors. The abscesses originate from the apices of the incisor roots and are therefore unlikely to represent a systemic disease such as multiple myeloma.They best fit the description of an abscess rather than a cyst or granuloma, with one showing a rounded thickened rim around the lesion. The abscesses highlight that this individual used their anterior dentition extensively, to the point that the pulp chambers were exposed on multiple teeth. This is one of the earliest hominin examples of a dental abscess and shows that this individual was able to cope with several concurrent abscesses, clearly surviving for an extended period. Therefore, this finding adds additional information to the history of dental pathology in our genus.

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Periapical lesions in hominids: Abscesses on the maxilla of a 2 million‐year‐old early Homo specimen

Towle

Irish

2019

Intl J of Osteoarchaeology

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Periapical lesions can develop after exposure of a tooth's pulp chamber and are commonly associated with heavy crown wear, trauma, or caries. In this study, maxilla and mandible fragments from the South African fossil hominin collections were studied, including specimens assigned to Homo naledi, Paranthropus robustus, Australopithecus africanus, and early Homo. Gorilla gorilla gorilla, Pan troglodytes, and Homo sapiens were also studied for comparative purposes. Only one fossil hominin specimen displayed voids consistent with periapical lesions. The specimen, SK 847, is described as early Homo and has been dated to 2.3–1.65 Ma. There is one definite periapical lesion and likely more with post‐mortem damage, all on the anterior aspect of the maxilla and associated with the incisors. The lesions originate from the apices of the incisor roots and are therefore unlikely to represent a systemic disease such as multiple myeloma. The one well‐preserved lesion was likely an abscess rather than a cyst or granuloma, with a rounded thickened rim around the lesion. These lesions in an early Homo specimen highlight that this individual used their anterior dentition extensively, to the point that the pulp chambers were exposed on multiple teeth. This is one of the earliest hominin examples of periapical lesions and shows that this individual was able to cope with potentially several concurrent abscesses, clearly surviving for an extended period. Periapical lesions are relatively common in the great ape (P. troglodytes: 1.99%; G. gorilla gorilla: 1.86%) and human samples (2.50%) but absent in large samples of P. robustus and A. africanus (n = 0/373 teeth). Therefore, this finding adds additional information to the history of dental pathology in our genus and also suggests that other hominin genera may have been less susceptible to dental abscesses, potentially relating to dietary or behavioural differences.

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The oral pathological conditions of the Broken Hill (Kabwe) 1 cranium

Cited by 7 publications

References 54 publications

Comparative analysis of dentognathic pathologies in the Dmanisi mandibles

Comparative analysis of dentognathic pathologies in the Dmanisi mandibles

Dental abscesses on the maxilla of a two million-year-old earlyHomospecimen

Periapical lesions in hominids: Abscesses on the maxilla of a 2 million‐year‐old early Homo specimen

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