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Patient-specific finite element analysis of viscoelastic masticatory mucosa.

Identifieur interne : 000195 ( PubMed/Curation ); précédent : 000194; suivant : 000196

Patient-specific finite element analysis of viscoelastic masticatory mucosa.

Auteurs : Noriyuki Wakabayashi [Japon] ; Tetsuya Suzuki

Source :

RBID : pubmed:23580171

Abstract

The purpose of this study was to analyze the stress and strain inside of the oral mucosa in partially-edentulous patients. The patient-specific finite element models of the mucosa and the bone were constructed using the CT images and in-vivo surface measurement during a continuous load. The mean initial shear modulus of 8.3 × 10(-5) (GPa) and the mean relaxation time of 503 (s) were determined as the viscoelastic properties of the mucosa. The increase of the highest maximum compressive strain during the continuous loading was observed in all the patients, however; the intensity of strain was not in accordance with the thickness of the mucosa. It is suggested that the variations of the morphology and the initial modulus of the mucosa should be considered in the mathematical approaches to detect the mechanical responses of the oral mucosa.

DOI: 10.1177/1758736013483298
PubMed: 23580171

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pubmed:23580171

Le document en format XML

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<nlm:affiliation>Department of Removable Partial Prosthodontics, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan.</nlm:affiliation>
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<RefSource>J Oral Rehabil. 2003 Nov;30(11):1062-9</RefSource>
<PMID Version="1">14641669</PMID>
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<CommentsCorrections RefType="Cites">
<RefSource>J Prosthet Dent. 2010 May;103(5):309-18</RefSource>
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<RefSource>J Prosthet Dent. 1978 Feb;39(2):211-6</RefSource>
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<RefSource>Int J Prosthodont. 1993 Sep-Oct;6(5):462-7</RefSource>
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<RefSource>J Biomech. 2001 Jun;34(6):799-803</RefSource>
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<RefSource>J Biomech. 1978;11(4):199-202</RefSource>
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<RefSource>J Anat. 1998 Oct;193 ( Pt 3):457-67</RefSource>
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<RefSource>J Oral Rehabil. 1996 Jun;23(6):363-71</RefSource>
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<RefSource>Int J Prosthodont. 2009 Mar-Apr;22(2):201-3</RefSource>
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<RefSource>J Oral Rehabil. 2004 Feb;31(2):135-9</RefSource>
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<RefSource>J Prosthet Dent. 1978 Sep;40(3):263-72</RefSource>
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<RefSource>J Morphol. 1967 Jun;122(2):89-114</RefSource>
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<RefSource>J Prosthet Dent. 1982 Mar;47(3):317-29</RefSource>
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<RefSource>Gerodontology. 2009 Dec;26(4):273-81</RefSource>
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<RefSource>J Dent Res. 2011 May;90(5):590-5</RefSource>
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