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Influence of food consistency on growth and morphology of the mandibular condyle

Influence of food consistency on growth and morphology of the mandibular condyle
Influence of food consistency on growth and morphology of the mandibular condyle
The objective of this study was to determine if variation in the shape and mineralization of the mandibular condyle are the result of natural adaptation in response to different functional loading demands. Eight female Kuni Kuni piglets were randomly assigned to two groups of four, receiving either a soft or hard diet. Each animal was given three separate doses of vital stains intravenously at set time points during the study. At 8.5 months, animals were euthanized and temporomandibular joints (TMJs) were excised. Histological analysis was used to measure the amount of new bone deposition in the anterior, central, and posterior regions of the mandibular condyle. Backscatter electron (BSE) imaging was used as a semiquantitative estimate of bone mineralization in these two diet groups. Histology revealed that the degree of new bone deposition in the hard-diet group was significantly (n = 4, P < 0.001, paired t-test) higher than that of the soft-diet group. Also, the majority (87%) of animals fed a hard diet tended to show greater new bone deposition on the leftside in comparison to the right, indicating a chewing preference for the left side. In both groups, the degree of new bone deposition was significantly (P < 0.01) higher in the posterior area than in other regions. BSE imaging corroborated basic histology results, with significantly (P < 0.01) higher mineralization levels detected in the hard-diet group. These findings indicate that diet consistency has a small but significant effect on the rate of bone deposition in the mandibular condyle
mastication, food consistency, mandibular condyle, bone deposition, bone density
0897-3806
590-598
Dias, George
1498e668-7442-40ad-92fa-a268fe65889d
Cook, Richard
06f8322d-81be-4f82-9326-19e55541c78f
Mirhosseini, M.
7e1eb9b6-f979-450f-a01b-cdc2231ac0e5
Dias, George
1498e668-7442-40ad-92fa-a268fe65889d
Cook, Richard
06f8322d-81be-4f82-9326-19e55541c78f
Mirhosseini, M.
7e1eb9b6-f979-450f-a01b-cdc2231ac0e5

Dias, George, Cook, Richard and Mirhosseini, M. (2011) Influence of food consistency on growth and morphology of the mandibular condyle. Clinical Anatomy, 24 (5), 590-598. (doi:10.1002/ca.21122). (PMID:21647960)

Record type: Article

Abstract

The objective of this study was to determine if variation in the shape and mineralization of the mandibular condyle are the result of natural adaptation in response to different functional loading demands. Eight female Kuni Kuni piglets were randomly assigned to two groups of four, receiving either a soft or hard diet. Each animal was given three separate doses of vital stains intravenously at set time points during the study. At 8.5 months, animals were euthanized and temporomandibular joints (TMJs) were excised. Histological analysis was used to measure the amount of new bone deposition in the anterior, central, and posterior regions of the mandibular condyle. Backscatter electron (BSE) imaging was used as a semiquantitative estimate of bone mineralization in these two diet groups. Histology revealed that the degree of new bone deposition in the hard-diet group was significantly (n = 4, P < 0.001, paired t-test) higher than that of the soft-diet group. Also, the majority (87%) of animals fed a hard diet tended to show greater new bone deposition on the leftside in comparison to the right, indicating a chewing preference for the left side. In both groups, the degree of new bone deposition was significantly (P < 0.01) higher in the posterior area than in other regions. BSE imaging corroborated basic histology results, with significantly (P < 0.01) higher mineralization levels detected in the hard-diet group. These findings indicate that diet consistency has a small but significant effect on the rate of bone deposition in the mandibular condyle

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More information

Accepted/In Press date: 19 November 2010
Published date: July 2011
Keywords: mastication, food consistency, mandibular condyle, bone deposition, bone density
Organisations: nCATS Group

Identifiers

Local EPrints ID: 376579
URI: http://eprints.soton.ac.uk/id/eprint/376579
ISSN: 0897-3806
PURE UUID: e8c1b36a-7438-4657-b743-1a5a9109e0af
ORCID for Richard Cook: ORCID iD orcid.org/0000-0002-2468-5820

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Date deposited: 01 May 2015 12:56
Last modified: 15 Mar 2024 03:34

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Contributors

Author: George Dias
Author: Richard Cook ORCID iD
Author: M. Mirhosseini

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