Regional quantitative histological variations in human oral mucosa.
Identifieur interne : 001412 ( Ncbi/Checkpoint ); précédent : 001411; suivant : 001413Regional quantitative histological variations in human oral mucosa.
Auteurs : Joseph Ciano [États-Unis] ; Brian Lee BeattySource :
- Anatomical record (Hoboken, N.J. : 2007) [ 1932-8494 ] ; 2015.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Collagène, Élastine.
- anatomie et histologie : Muqueuse de la bouche.
- Adulte d'âge moyen, Femelle, Humains, Muqueuse de la bouche, Mâle, Sujet âgé, Sujet âgé de 80 ans ou plus, Valeurs de référence.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Collagen, Elastin.
- anatomy & histology : Mouth Mucosa.
- chemistry : Mouth Mucosa.
- Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Reference Values.
Abstract
Oral mucosa demonstrates regional variations that reflect contact with food during mastication. Though known qualitatively, our aim was to quantitatively assess regions to establish a measurable baseline from which one could compare in pathological and comparative studies, in which the abrasiveness of diets may differ. We assessed variations in the epithelial-connective tissue junction (rete ridges counts), collagen organization within the lamina propria, and elastin composition of the lamina propria of 15 regions of the labial (buccal) gingiva, lingual gingiva, vestibule, and palate. All characteristics varied more between regions within the same individual than between individuals. Lingual gingiva had high rete ridges counts, high level of collagen organization, and moderate elastin composition compared to other regions. The labial gingiva had few rete ridges, high collagen organization, and low elastin. The vestibule had the fewest average of rete ridges, least organized collagen, and high elastin. The hard palate had the highest average of rete ridges, high collagen organization, and the lowest elastin content. The soft palate conversely had the smallest average of rete ridges, moderate collagen organization, and the highest elastin composition. Our results indicate that comparison of these quantitative histological differences is warranted only for collagen organization and elastin composition. Differences in rete ridges counts were not statistically significant. Most histological characteristics observed were not significantly different between dentulous and edentulous cadavers, and the group containing all individuals. An exception was the level of collagen fiber organization within the lamina propria, which was higher in most regions when teeth were present.
DOI: 10.1002/ar.23097
PubMed: 25402000
Affiliations:
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Though known qualitatively, our aim was to quantitatively assess regions to establish a measurable baseline from which one could compare in pathological and comparative studies, in which the abrasiveness of diets may differ. We assessed variations in the epithelial-connective tissue junction (rete ridges counts), collagen organization within the lamina propria, and elastin composition of the lamina propria of 15 regions of the labial (buccal) gingiva, lingual gingiva, vestibule, and palate. All characteristics varied more between regions within the same individual than between individuals. Lingual gingiva had high rete ridges counts, high level of collagen organization, and moderate elastin composition compared to other regions. The labial gingiva had few rete ridges, high collagen organization, and low elastin. The vestibule had the fewest average of rete ridges, least organized collagen, and high elastin. The hard palate had the highest average of rete ridges, high collagen organization, and the lowest elastin content. The soft palate conversely had the smallest average of rete ridges, moderate collagen organization, and the highest elastin composition. Our results indicate that comparison of these quantitative histological differences is warranted only for collagen organization and elastin composition. Differences in rete ridges counts were not statistically significant. Most histological characteristics observed were not significantly different between dentulous and edentulous cadavers, and the group containing all individuals. An exception was the level of collagen fiber organization within the lamina propria, which was higher in most regions when teeth were present.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>État de New York</li></region></list><tree><noCountry><name sortKey="Beatty, Brian Lee" sort="Beatty, Brian Lee" uniqKey="Beatty B" first="Brian Lee" last="Beatty">Brian Lee Beatty</name></noCountry><country name="États-Unis"><region name="État de New York"><name sortKey="Ciano, Joseph" sort="Ciano, Joseph" uniqKey="Ciano J" first="Joseph" last="Ciano">Joseph Ciano</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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