Tooth loss and retention: analysis on 500 maxillae of a multitribal group of Bantu-speaking South African blacks.
Identifieur interne : 007758 ( Ncbi/Checkpoint ); précédent : 007757; suivant : 007759Tooth loss and retention: analysis on 500 maxillae of a multitribal group of Bantu-speaking South African blacks.
Auteurs : H. Tal ; S. TauSource :
- Journal of dental research [ 0022-0345 ] ; 1986.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Caries dentaires (épidémiologie), Dent (anatomie et histologie), Facteurs de l'âge, Femelle, Groupes ethniques, Humains, Maladies parodontales (épidémiologie), Mâchoire partiellement édentée (anatomopathologie), Mâchoire partiellement édentée (épidémiologie), Mâchoire édentée (épidémiologie), Mâle, Population d'origine africaine, République d'Afrique du Sud, Sujet âgé.
- MESH :
- anatomie et histologie : Dent.
- anatomopathologie : Mâchoire partiellement édentée.
- épidémiologie : Caries dentaires, Maladies parodontales, Mâchoire partiellement édentée, Mâchoire édentée.
- Adulte, Adulte d'âge moyen, Facteurs de l'âge, Femelle, Groupes ethniques, Humains, Mâle, Population d'origine africaine, République d'Afrique du Sud, Sujet âgé.
- Wicri :
- geographic : Afrique du Sud.
English descriptors
- KwdEn :
- Adult, African Continental Ancestry Group, Age Factors, Aged, Dental Caries (epidemiology), Ethnic Groups, Female, Humans, Jaw, Edentulous (epidemiology), Jaw, Edentulous, Partially (epidemiology), Jaw, Edentulous, Partially (pathology), Male, Middle Aged, Periodontal Diseases (epidemiology), South Africa, Tooth (anatomy & histology).
- MESH :
- geographic : South Africa.
- anatomy & histology : Tooth.
- epidemiology : Dental Caries, Jaw, Edentulous, Jaw, Edentulous, Partially, Periodontal Diseases.
- pathology : Jaw, Edentulous, Partially.
- Adult, African Continental Ancestry Group, Age Factors, Aged, Ethnic Groups, Female, Humans, Male, Middle Aged.
Abstract
This study analyzes tooth loss and retention in 500 dry maxillae of adult South African Bantu-speaking blacks. The tribe, sex, and stated age at death were available. Specimens were equally distributed over the third to the seventh decades of life. The presence of dental units was recorded and analyzed between and within age groups. A total of 5063 dental units was recorded. Reduction of the frequency of dental units was mild and not significant between the third and fourth decades of life and between the sixth and seventh. Severe and significant tooth loss was recorded between the fourth and the fifth, and between the fifth and the sixth decades of life. Specimens from younger individuals (from 21 to 30 years of age) retained more teeth in the anterior region; after the third decade of life, there was a clear and significant persistence of canines with tendency toward loss of teeth anterior and posterior to them. Based upon the present observations and previous studies in this population, it is suggested that: (a) in most teeth, tooth retention pattern is indirectly related to periodontal bone loss (In the canines, however, the long roots rather than "resistance" to periodontitis may be the cause for the relatively high longevity rate); and (b) caries may have been the main cause for tooth loss until the fourth decade of life--later, periodontal disease may have become the predominant reason.
DOI: 10.1177/00220345860650031701
PubMed: 3457052
Affiliations:
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pubmed:3457052Le document en format XML
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<author><name sortKey="Tau, S" sort="Tau, S" uniqKey="Tau S" first="S" last="Tau">S. Tau</name>
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<term>African Continental Ancestry Group</term>
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<term>Dental Caries (epidemiology)</term>
<term>Ethnic Groups</term>
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<term>Humans</term>
<term>Jaw, Edentulous (epidemiology)</term>
<term>Jaw, Edentulous, Partially (epidemiology)</term>
<term>Jaw, Edentulous, Partially (pathology)</term>
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<term>Population d'origine africaine</term>
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<term>Sujet âgé</term>
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<keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Dental Caries</term>
<term>Jaw, Edentulous</term>
<term>Jaw, Edentulous, Partially</term>
<term>Periodontal Diseases</term>
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<term>Maladies parodontales</term>
<term>Mâchoire partiellement édentée</term>
<term>Mâchoire édentée</term>
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<term>African Continental Ancestry Group</term>
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<term>Ethnic Groups</term>
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<term>Humans</term>
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<term>Adulte d'âge moyen</term>
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<term>Groupes ethniques</term>
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<front><div type="abstract" xml:lang="en">This study analyzes tooth loss and retention in 500 dry maxillae of adult South African Bantu-speaking blacks. The tribe, sex, and stated age at death were available. Specimens were equally distributed over the third to the seventh decades of life. The presence of dental units was recorded and analyzed between and within age groups. A total of 5063 dental units was recorded. Reduction of the frequency of dental units was mild and not significant between the third and fourth decades of life and between the sixth and seventh. Severe and significant tooth loss was recorded between the fourth and the fifth, and between the fifth and the sixth decades of life. Specimens from younger individuals (from 21 to 30 years of age) retained more teeth in the anterior region; after the third decade of life, there was a clear and significant persistence of canines with tendency toward loss of teeth anterior and posterior to them. Based upon the present observations and previous studies in this population, it is suggested that: (a) in most teeth, tooth retention pattern is indirectly related to periodontal bone loss (In the canines, however, the long roots rather than "resistance" to periodontitis may be the cause for the relatively high longevity rate); and (b) caries may have been the main cause for tooth loss until the fourth decade of life--later, periodontal disease may have become the predominant reason.</div>
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