Changes in human jaw muscles with age and dental state.
Identifieur interne : 00AD77 ( Main/Exploration ); précédent : 00AD76; suivant : 00AD78Changes in human jaw muscles with age and dental state.
Auteurs : J P Newton [Royaume-Uni] ; R. Yemm ; R W Abel ; S. MenhinickSource :
- Gerodontology [ 0734-0664 ] ; 1993.
Descripteurs français
- KwdFr :
- Adulte, Adulte d'âge moyen, Analyse de régression, Facteurs de l'âge, Facteurs sexuels, Femelle, Force occlusale, Humains, Muscle masséter (anatomie et histologie), Muscle masséter (anatomopathologie), Muscle masséter (imagerie diagnostique), Muscles masticateurs (anatomie et histologie), Muscles masticateurs (anatomopathologie), Muscles masticateurs (imagerie diagnostique), Muscles ptérygoïdiens (anatomie et histologie), Muscles ptérygoïdiens (anatomopathologie), Muscles ptérygoïdiens (imagerie diagnostique), Mâchoire édentée (anatomopathologie), Mâchoire édentée (physiopathologie), Mâle, Sujet âgé, Sujet âgé de 80 ans ou plus, Tomodensitométrie, Vieillissement (physiologie), Études de cohortes.
- MESH :
- anatomie et histologie : Muscle masséter, Muscles masticateurs, Muscles ptérygoïdiens.
- anatomopathologie : Muscle masséter, Muscles masticateurs, Muscles ptérygoïdiens, Mâchoire édentée.
- imagerie diagnostique : Muscle masséter, Muscles masticateurs, Muscles ptérygoïdiens.
- physiologie : Vieillissement.
- physiopathologie : Mâchoire édentée.
- Adulte, Adulte d'âge moyen, Analyse de régression, Facteurs de l'âge, Facteurs sexuels, Femelle, Force occlusale, Humains, Mâle, Sujet âgé, Sujet âgé de 80 ans ou plus, Tomodensitométrie, Études de cohortes.
English descriptors
- KwdEn :
- Adult, Age Factors, Aged, Aged, 80 and over, Aging (physiology), Bite Force, Cohort Studies, Female, Humans, Jaw, Edentulous (pathology), Jaw, Edentulous (physiopathology), Male, Masseter Muscle (anatomy & histology), Masseter Muscle (diagnostic imaging), Masseter Muscle (pathology), Masticatory Muscles (anatomy & histology), Masticatory Muscles (diagnostic imaging), Masticatory Muscles (pathology), Middle Aged, Pterygoid Muscles (anatomy & histology), Pterygoid Muscles (diagnostic imaging), Pterygoid Muscles (pathology), Regression Analysis, Sex Factors, Tomography, X-Ray Computed.
- MESH :
- anatomy & histology : Masseter Muscle, Masticatory Muscles, Pterygoid Muscles.
- diagnostic imaging : Masseter Muscle, Masticatory Muscles, Pterygoid Muscles.
- pathology : Jaw, Edentulous, Masseter Muscle, Masticatory Muscles, Pterygoid Muscles.
- physiology : Aging.
- physiopathology : Jaw, Edentulous.
- Adult, Age Factors, Aged, Aged, 80 and over, Bite Force, Cohort Studies, Female, Humans, Male, Middle Aged, Regression Analysis, Sex Factors, Tomography, X-Ray Computed.
Abstract
The effects of ageing and dental state on the cross-sectional area and density of two jaw muscles, the masseter and medial pterygoid, were investigated using computed tomography. The study involved 84 male and 70 female subjects between the ages of 20 and 90 years. The cross-sectional area of both muscles showed a significant reduction with age; values for female subjects being found in the lower range of the distribution. When consideration was given to the presence or absence of a natural dentition, the cross-sectional area of both muscles in edentulous subjects showed a greater decrease throughout the age range studied. There was a significant decrease in the density of the muscles with increasing age. Previously, this has been interpreted to indicate a progressive increase in fat and fibrous tissue. Subject gender and the absence of teeth appeared to have little effect on this parameter. Changes in the cross-sectional area and density of these muscles would appear to be consistent with a general age related change of muscle tissue in the body as a whole and may specifically indicate a reduction in the masticatory forces which can be or are being utilised by ageing patients, many of whom have no remaining natural dentition.
PubMed: 8300113
Affiliations:
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Le document en format XML
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Yemm</name></author><author><name sortKey="Abel, R W" sort="Abel, R W" uniqKey="Abel R" first="R W" last="Abel">R W Abel</name></author><author><name sortKey="Menhinick, S" sort="Menhinick, S" uniqKey="Menhinick S" first="S" last="Menhinick">S. 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The study involved 84 male and 70 female subjects between the ages of 20 and 90 years. The cross-sectional area of both muscles showed a significant reduction with age; values for female subjects being found in the lower range of the distribution. When consideration was given to the presence or absence of a natural dentition, the cross-sectional area of both muscles in edentulous subjects showed a greater decrease throughout the age range studied. There was a significant decrease in the density of the muscles with increasing age. Previously, this has been interpreted to indicate a progressive increase in fat and fibrous tissue. Subject gender and the absence of teeth appeared to have little effect on this parameter. Changes in the cross-sectional area and density of these muscles would appear to be consistent with a general age related change of muscle tissue in the body as a whole and may specifically indicate a reduction in the masticatory forces which can be or are being utilised by ageing patients, many of whom have no remaining natural dentition.</div></front></TEI><affiliations><list><country><li>Royaume-Uni</li></country></list><tree><noCountry><name sortKey="Abel, R W" sort="Abel, R W" uniqKey="Abel R" first="R W" last="Abel">R W Abel</name><name sortKey="Menhinick, S" sort="Menhinick, S" uniqKey="Menhinick S" first="S" last="Menhinick">S. Menhinick</name><name sortKey="Yemm, R" sort="Yemm, R" uniqKey="Yemm R" first="R" last="Yemm">R. Yemm</name></noCountry><country name="Royaume-Uni"><noRegion><name sortKey="Newton, J P" sort="Newton, J P" uniqKey="Newton J" first="J P" last="Newton">J P Newton</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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