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Gurr A, Henneberg M, Kumaratilake J, Lerche D, Richards L, Brook AH. The Oral Health of a Group of 19th Century South Australian Settlers in Relation to Their General Health and Compared with That of Contemporaneous Samples. Dent J (Basel) 2023; 11:99. [PMID: 37185476 PMCID: PMC10136771 DOI: 10.3390/dj11040099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/29/2023] [Accepted: 04/03/2023] [Indexed: 05/17/2023] Open
Abstract
The aims of this study are to determine the oral health status of a rare sample of 19th-century migrant settlers to South Australia, how oral conditions may have influenced their general health, and how the oral health of this group compares with contemporaneous samples in Australia, New Zealand, and Britain. Dentitions of 18 adults and 22 subadults were investigated using non-destructive methods (micro-CT, macroscopic, radiographic). Extensive carious lesions were identified in seventeen adults and four subadults, and from this group one subadult and sixteen adults had antemortem tooth loss. Sixteen adults showed evidence of periodontal disease. Enamel hypoplastic (EH) defects were identified in fourteen adults and nine subadults. Many individuals with dental defects also had skeletal signs of comorbidities. South Australian individuals had the same percentage of carious lesions as the British sample (53%), more than other historic Australian samples, but less than a contemporary New Zealand sample. Over 50% of individuals from all the historic cemeteries had EH defects, suggesting systemic health insults during dental development were common during the 19th century. The overall oral health of the South Australian settlers was poor but, in some categories, (tooth wear, periapical abscess, periodontal disease), better than the other historic samples.
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Affiliation(s)
- Angela Gurr
- Discipline of Anatomy and Pathology, School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
- Biological Anthropology and Comparative Anatomy Research Unit, School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
| | - Maciej Henneberg
- Discipline of Anatomy and Pathology, School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
- Biological Anthropology and Comparative Anatomy Research Unit, School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
- Institute of Evolutionary Medicine, University of Zurich, 8006 Zurich, Switzerland
| | - Jaliya Kumaratilake
- Discipline of Anatomy and Pathology, School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
- Biological Anthropology and Comparative Anatomy Research Unit, School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
| | - Derek Lerche
- School of Dentistry, University of Adelaide, Adelaide, SA 5005, Australia
| | - Lindsay Richards
- School of Dentistry, University of Adelaide, Adelaide, SA 5005, Australia
| | - Alan Henry Brook
- School of Dentistry, University of Adelaide, Adelaide, SA 5005, Australia
- Institute of Dentistry, Queen Mary, University of London, London WC1E 7HU, UK
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Gurr A, Brook AH, Kumaratilake J, Anson T, Pate FD, Henneberg M. Was it worth migrating to the new British industrial colony of South Australia? Evidence from skeletal pathologies and historic records of a sample of 19th-century settlers. INTERNATIONAL JOURNAL OF PALEOPATHOLOGY 2022; 37:41-52. [PMID: 35489278 DOI: 10.1016/j.ijpp.2022.04.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 02/07/2022] [Accepted: 04/12/2022] [Indexed: 06/14/2023]
Abstract
OBJECTIVES To examine pathological evidence present in a sample of 19th -century settlers to South Australia in the context of an early industrial society. MATERIALS Skeletal remains of 20 adults and 45 nonadults from the government funded burial site (free ground) of St Mary's Anglican Church Cemetery, gravestones of privately funded burials and local parish records. METHODS Investigation of pathological manifestations of skeletal remains, church records and historic literature. Comparison with similar samples from Britain and from New South Wales. RESULTS Joint disease seen in 35% of adults. Porosity in bone cortices indicative of vitamin C deficiency seen in 32% of the total sample and porous lesions in the orbit (cribra orbitalia) in 7% of nonadults. Traumatic fractures identified in two adult males. Gastrointestinal conditions were the leading cause of death for nonadults, most adults died of pulmonary conditions. Life expectancy of people buried at the expense of the government was 23.8-42.6 years, those in private burials 57.1 years. CONCLUSION Health of migrant settlers from the St Mary's free ground did not differ much from that of a similar population in Britain nor of settlers in New South Wales. Thus, it is characteristic for lower socioeconomic groups in early industrialised societies. SIGNIFICANCE St Mary's sample is a rarity due scarcity of similar Australian skeletal samples. LIMITATIONS Small sample size and lack of similar samples for comparison. SUGGESTIONS FOR FURTHER RESEARCH Comprehensive investigation of dentitions in St Mary's sample and studies of more skeletal samples of early settlers in other Australian locations.
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Affiliation(s)
- Angela Gurr
- Discipline of Anatomy and Pathology, School of Biomedicine, The University of Adelaide, Australia; Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Australia.
| | - Alan Henry Brook
- School of Dentistry, The University of Adelaide, Australia; Institute of Dentistry, Queen Mary, University of London, UK
| | - Jaliya Kumaratilake
- Discipline of Anatomy and Pathology, School of Biomedicine, The University of Adelaide, Australia; Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Australia
| | | | | | - Maciej Henneberg
- Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Australia; Archaeology, Flinders University, Australia; Institute of Evolutionary Medicine, University of Zurich, Switzerland
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Health effects of European colonization: An investigation of skeletal remains from 19th to early 20th century migrant settlers in South Australia. PLoS One 2022; 17:e0265878. [PMID: 35385495 PMCID: PMC8985932 DOI: 10.1371/journal.pone.0265878] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 03/09/2022] [Indexed: 12/16/2022] Open
Abstract
The British colony of South Australia, established in 1836, offered a fresh start to migrants hoping for a better life. A cohort of settlers buried in a section of St Mary’s Anglican Church Cemetery (1847–1927) allocated for government funded burials was investigated to determine their health, with a focus on skeletal manifestations associated with metabolic deficiencies. Findings of St Mary’s sample were compared with those published for contemporary skeletal samples from two British cemeteries, St Martin’s, Birmingham, and St Peter’s, Wolverhampton, to explore similarities and differences. To investigate the changing economic background of the St Mary’s cohort, which may have influenced the location of their burial within the cemetery, the number and demographic profile of government funded burials and those in privately funded leased plots were compared. The study sample consisted of the skeletal remains of 65 individuals (20 adults, 45 subadults) from St Mary’s Cemetery ‘free ground’ section. The bones and teeth of individuals in this cohort showed evidence of pathological manifestations, including areas of abnormal porosity in bone cortices in 9 adults and 12 subadults and flaring of metaphyses (one subadult) and costochondral junctions of the ribs (one subadult). Porous lesions of orbital roof bones (Types 3 to 4) were seen on three subadults. Macroscopic examination of teeth identified enamel hypoplastic defects and micro-CT scans showed areas of interglobular dentine. Comparison of St Mary’s findings with the British samples revealed that prevalences of manifestations associated with vitamin C deficiency were higher at St Mary’s and manifestations associated with vitamin D deficiency were lower respectively. The location of burial pattern at St Mary’s Cemetery, from the mid-1840s to1860s, showed differences in the economic status of migrants. This pattern changed from the 1870s, which reflected improvements in the local economy and the economic recovery of the colony.
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Henneberg M, Holloway-Kew K, Lucas T. Human major infections: Tuberculosis, treponematoses, leprosy-A paleopathological perspective of their evolution. PLoS One 2021; 16:e0243687. [PMID: 33630846 PMCID: PMC7906324 DOI: 10.1371/journal.pone.0243687] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 02/01/2021] [Indexed: 01/17/2023] Open
Abstract
The key to evolution is reproduction. Pathogens can either kill the human host or can invade the host without causing death, thus ensuring their own survival, reproduction and spread. Tuberculosis, treponematoses and leprosy are widespread chronic infectious diseases whereby the host is not immediately killed. These diseases are examples of the co-evolution of host and pathogen. They can be well studied as the paleopathological record is extensive, spanning over 200 human generations. The paleopathology of each disease has been well documented in the form of published synthetic analyses recording each known case and case frequencies in the samples they were derived from. Here the data from these synthetic analyses were re-analysed to show changes in the prevalence of each disease over time. A total of 69,379 skeletons are included in this study. There was ultimately a decline in the prevalence of each disease over time, this decline was statistically significant (Chi-squared, p<0.001). A trend may start with the increase in the disease’s prevalence before the prevalence declines, in tuberculosis the decline is monotonic. Increase in skeletal changes resulting from the respective diseases appears in the initial period of host-disease contact, followed by a decline resulting from co-adaptation that is mutually beneficial for the disease (spread and maintenance of pathogen) and host (less pathological reactions to the infection). Eventually either the host may become immune or tolerant, or the pathogen tends to be commensalic rather than parasitic.
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Affiliation(s)
- Maciej Henneberg
- Biological and Comparative Anatomy Research Unit, Adelaide Medical School, University of Adelaide, Adelaide, Australia
- Institute of Evolutionary Medicine, University of Zurich, Zurich, Switzerland
- Department of Archaeology, Flinders University, Adelaide, Australia
- * E-mail:
| | - Kara Holloway-Kew
- Institute for Mental and Physical Health and Clinical Translation, School of Medicine, Deakin University, Geelong, Australia
| | - Teghan Lucas
- Department of Archaeology, Flinders University, Adelaide, Australia
- School of Medical Sciences, Anatomy, University of New South Wales, Sydney, New South Wales, Australia
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Baker BJ, Crane-Kramer G, Dee MW, Gregoricka LA, Henneberg M, Lee C, Lukehart SA, Mabey DC, Roberts CA, Stodder ALW, Stone AC, Winingear S. Advancing the understanding of treponemal disease in the past and present. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 171 Suppl 70:5-41. [PMID: 31956996 DOI: 10.1002/ajpa.23988] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Revised: 12/04/2019] [Accepted: 12/05/2019] [Indexed: 12/11/2022]
Abstract
Syphilis was perceived to be a new disease in Europe in the late 15th century, igniting a debate about its origin that continues today in anthropological, historical, and medical circles. We move beyond this age-old debate using an interdisciplinary approach that tackles broader questions to advance the understanding of treponemal infection (syphilis, yaws, bejel, and pinta). How did the causative organism(s) and humans co-evolve? How did the related diseases caused by Treponema pallidum emerge in different parts of the world and affect people across both time and space? How are T. pallidum subspecies related to the treponeme causing pinta? The current state of scholarship in specific areas is reviewed with recommendations made to stimulate future work. Understanding treponemal biology, genetic relationships, epidemiology, and clinical manifestations is crucial for vaccine development today and for investigating the distribution of infection in both modern and past populations. Paleopathologists must improve diagnostic criteria and use a standard approach for recording skeletal lesions on archaeological human remains. Adequate contextualization of cultural and environmental conditions is necessary, including site dating and justification for any corrections made for marine or freshwater reservoir effects. Biogeochemical analyses may assess aquatic contributions to diet, physiological changes arising from treponemal disease and its treatments (e.g., mercury), or residential mobility of those affected. Shifting the focus from point of origin to investigating who is affected (e.g., by age/sex or socioeconomic status) and disease distribution (e.g., coastal/ inland, rural/urban) will advance our understanding of the treponemal disease and its impact on people through time.
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Affiliation(s)
- Brenda J Baker
- School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona
| | - Gillian Crane-Kramer
- Department of Anthropology, State University of New York at Plattsburgh, Plattsburgh, New York
| | - Michael W Dee
- Centre for Isotope Research, University of Groningen, Groningen, Netherlands
| | - Lesley A Gregoricka
- Department of Sociology, Anthropology, and Social Work, University of South Alabama, Mobile, Alabama
| | - Maciej Henneberg
- Biological Anthropology and Comparative Anatomy Unit, Adelaide Medical School, University of Adelaide, Adelaide, Australia.,Institute of Evolutionary Medicine, University of Zurich, Zurich, Switzerland
| | - Christine Lee
- Department of Anthropology, California State University Los Angeles, Los Angeles, California
| | - Sheila A Lukehart
- Department of Medicine/Infectious Diseases and Global Health, University of Washington, Seattle, Washington
| | - David C Mabey
- Communicable Diseases, London School of Hygiene & Tropical Medicine, London, UK
| | | | - Ann L W Stodder
- Office of Archaeological Studies, The Museum of New Mexico, Santa Fe, New Mexico
| | - Anne C Stone
- School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona
| | - Stevie Winingear
- School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona
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Towle I, Irish JD. A probable genetic origin for pitting enamel hypoplasia on the molars of Paranthropus robustus. J Hum Evol 2019; 129:54-61. [DOI: 10.1016/j.jhevol.2019.01.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 01/03/2019] [Accepted: 01/09/2019] [Indexed: 01/12/2023]
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Ioannou S, Henneberg M. Dental signs attributed to congenital syphilis and its treatments in the Hamann-Todd Skeletal Collection. ANTHROPOLOGICAL REVIEW 2017. [DOI: 10.1515/anre-2017-0032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Abstract
Syphilis in the United States during the 1800s and 1900s had a high prevalence rate causing great concern to health officials. Various measures were taken to control its spread. Mercuric treatments were used up until the introduction of penicillin. The aim of this paper is to determine whether dental abnormalities related to congenital syphilis in individuals who died of syphilis or syphilis-related causes, in the Hamman Todd Osteological Collection, occur and whether mercurial treatment was effective. Hutchinson, Moon and Fournier’s works were analyzed to determine dental abnormalities associated with congenital syphilis and its treatments and used as criteria. Hillson et al. (AJPA,107:25-40) standardized method of description of dental changes was used. In the Hamman Todd Osteological Collection in Cleveland, Ohio, 102 individuals had cause of death recorded in the catalogue as syphilis or lues, and 69 had causes of death relating to syphilis which included paresis (53), aortic insufficiency (15) and pericarditis (1). Thus altogether 171 individuals were studied. Dentition was examined to determine if dental abnormalities associated with congenital syphilis and its treatments were present in individuals not recorded as having congenital syphilis. Crania were examined for any osteological changes. One individual (2266) demonstrated dental malformations possibly related to the congenital disease itself, while three demonstrated dental abnormalities associated with mercuric treatments in childhood (2118, 2263 and 3097). No remarkable bone pathologies were evident on any skull. The use of pre-penicillin treatment of congenital syphilis may have been effective to maintain health into adulthood but not always in eradicating the infection. Effects of mercury on enamel formation and bone changes, need to be considered when making a differential diagnosis of syphilis/congenital syphilis.
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Affiliation(s)
- Stella Ioannou
- Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Adelaide , South Australia
| | - Maciej Henneberg
- Henneberg Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Adelaide , South Australia
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Towle I, Irish JD, De Groote I. Amelogenesis imperfecta in the dentition of a wild chimpanzee. J Med Primatol 2017; 47:117-119. [DOI: 10.1111/jmp.12323] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/03/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Ian Towle
- Research Centre in Evolutionary Anthropology and Palaeoecology; School of Natural Sciences and Psychology; Liverpool John Moores University; Liverpool UK
| | - Joel D. Irish
- Research Centre in Evolutionary Anthropology and Palaeoecology; School of Natural Sciences and Psychology; Liverpool John Moores University; Liverpool UK
- Evolutionary Studies Institute and Centre for Excellence in PaleoSciences; University of the Witwatersrand; Johannesburg South Africa
| | - Isabelle De Groote
- Research Centre in Evolutionary Anthropology and Palaeoecology; School of Natural Sciences and Psychology; Liverpool John Moores University; Liverpool UK
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Ioannou S, Henneberg RJ, Henneberg M. Presence of dental signs of congenital syphilis in pre-modern specimens. Arch Oral Biol 2017; 85:192-200. [PMID: 29102860 DOI: 10.1016/j.archoralbio.2017.10.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 10/10/2017] [Accepted: 10/19/2017] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Tooth morphology can vary due to genetic factors, infectious diseases and other environmental stresses. Congenital syphilis is known to interrupt tooth formation i.e. odontogenesis and amelogenesis, producing specific dental characteristics. Variation of those characteristics can occur, resulting in dental signs "not typical" of the disease, however, they are described in the 19th century literature. Past treatments of congenital syphilis with mercury also interrupted dental processes resulting in significantly different dental signs. The aim of this study is to examine the dentition of the oldest (pre 15th century) cases attributed to congenital syphilis to determine whether their dental processes have been affected by either congenital syphilis itself, its treatments (mercury) or a combination of both (syphilitic-mercurial). DESIGN Comparisons of dental signs of congenital syphilis and its mercuric treatments as described by Hutchinson, Moon and Fournier in the 1800s and in standardised methods as established by modern studies, are made with the dentition of specimens found in archaeological sites in Mexico, Italy, Turkey and Austria dating back to the Terminal Formative Period, Classical Antiquity, Byzantine times and Middle Ages. RESULTS The dentitions of a child from Oaxaca, Mexico, St. Pölten, Austria, and two juveniles from Classical Antiquity site Metaponto, Italy, show signs attributed to syphilis only. One adolescent from Byzantine site Nicaea, Turkey, shows dental signs characterised as syphilitic-mercurial. CONCLUSIONS Dental abnormalities observed in Mediterranean individuals match a range of signs attributable to congenital syphilis and its treatments, more so than the New World case. Therefore, it is likely that these individuals suffered from congenital syphilis.
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Affiliation(s)
- Stella Ioannou
- Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Adelaide Medical School,Frome Road, Adelaide, 5005, South Australia, Australia.
| | - Renata J Henneberg
- Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Adelaide Medical School,Frome Road, Adelaide, 5005, South Australia, Australia
| | - Maciej Henneberg
- Biological Anthropology and Comparative Anatomy Research Unit, The University of Adelaide, Adelaide Medical School,Frome Road, Adelaide, 5005, South Australia, Australia; Institute of Evolutionary Medicine, University of Zurich, Switzerland
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Cieślik AI. Evidence of tuberculosis among children in medieval (13th–15th century) Wrocław: A case study of hip joint tuberculosis in a juvenile skeleton excavated from the crypt of the St. Elizabeth church. ANTHROPOLOGICAL REVIEW 2017. [DOI: 10.1515/anre-2017-0014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Abstract
Paleopathological examinations of the skeletal remains of people who died centuries ago are material source of knowledge about health and diseases in the past. In this article, a case of skeletal tuberculosis from historical (13th-15th c.) Wrocław, Poland has been presented. The juvenile skeleton excavated from grave No 93, from the crypt located under the church of St. Elizabeth, displayed pathological lesions within the right hip joint resulting from a chronic inflammation, which might have been assigned to signs typical for skeletal tuberculosis. The results of macroscopic and radiological analyses appeared to be consistent, and allowed to determine a reliable diagnosis of this paleopathological case.
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Affiliation(s)
- Agata Izabela Cieślik
- Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Department of Anthropology in Wrocław, 75 Podwale St, 50-445 Wrocław , Poland
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Ioannou S, Sassani S, Henneberg M, Henneberg RJ. Diagnosing congenital syphilis using Hutchinson's method: Differentiating between syphilitic, mercurial, and syphilitic-mercurial dental defects. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 159:617-29. [PMID: 26696588 DOI: 10.1002/ajpa.22924] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 11/27/2015] [Accepted: 12/03/2015] [Indexed: 11/10/2022]
Abstract
OBJECTIVES This study focuses on the dental abnormalities observed by Sir Jonathan Hutchinson, Henry Moon and Alfred Fournier in patients with congenital syphilis and in those treated with mercury, in order to define alterations in dental morphology attributable to each of these causes. These definitions are applied to reported paleopathological cases, exploring various etiologies behind the defects, in order to aid in the diagnosis of congenital syphilis. METHODS Original works were examined for descriptions of dental abnormalities in congenital syphilis and in mercurial treatments. These descriptions were compared with dentitions of paleopathological cases (n = 4) demonstrating abnormalities attributed to congenital syphilis. RESULTS Distinct morphological differences were recognized between congenital syphilitic teeth and teeth affected by mercury. Mercury produces a pronounced deficiency in enamel of incisors, canines and first permanent molars that become rugged and pitted, and of dirty grey honeycombed appearance. Mercury-induced dental changes are evident in three out of four cases studied here. In one case, only syphilitic changes were present. DISCUSSION Dental changes in congenital syphilis range from no visible signs to those beyond the classical models of Hutchinson, Moon and Fournier. Treatment of neonates and infants with mercury produces additional changes. Signs of disease and treatment with mercury on teeth may occur together; permanent incisors, first molars and canines, are typically affected, premolars and second/third molars are usually spared. Signs of treatment with mercury might be the only evidence of the occurrence of the disease as mercury was rarely used to treat other diseases.
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Affiliation(s)
- Stella Ioannou
- Biological Anthropology and Comparative Anatomy Research Unit, School of Medicine, The University of Adelaide, South Australia 5005, Australia
| | - Sadaf Sassani
- Biological Anthropology and Comparative Anatomy Research Unit, School of Medicine, The University of Adelaide, South Australia 5005, Australia
| | - Maciej Henneberg
- Biological Anthropology and Comparative Anatomy Research Unit, School of Medicine, The University of Adelaide, South Australia 5005, Australia
| | - Renata J Henneberg
- Biological Anthropology and Comparative Anatomy Research Unit, School of Medicine, The University of Adelaide, South Australia 5005, Australia
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