The UvA-LINKER will give you a range of other options to find the full text of a publication (including a direct link to the full-text if it is located on another database on the internet).
De UvA-LINKER biedt mogelijkheden om een publicatie elders te vinden (inclusief een directe link naar de publicatie online als deze beschikbaar is in een database op het internet).

Zoekresultaten

Zoekopdracht: faculteit: "ACTA" en publicatiejaar: "2010"

AuteursH. Mori, S. Horiuchi, S. Nishimura, H. Nikawa, T. Murayama, K. Ueda, D. Ogawa, S. Kuroda, H. Naito, M. Tanaka, J.H. Koolstra, E. Tanaka
TitelThree-dimensional finite element analysis of cartilaginous tissues in human temporomandibular joint during prolonged clenching
TijdschriftArchives of Oral Biology
Jaargang55
Jaar2010
Nummer11
Pagina's879-886
ISSN00039969
FaculteitACTA
SamenvattingObjective: Bruxism, the parafunctional habit of nocturnal grinding of the teeth and clenching, is associated with the onset of joint degeneration. Especially prolonged clenching is suggested to cause functional overloading in the temporomandibular joint (TMJ). In this study, the distributions of stresses in the cartilaginous TMJ disc and articular cartilage, were analysed during prolonged clenching. The purpose of this study was to examine if joint degradation due to prolonged clenching can be attributed to changes in stress concentration in the cartilaginous tissues.
Design: Finite element model was developed on the basis of magnetic resonance images from a healthy volunteer. Condylar movements recorded during prolonged clenching were used as the loading condition for stress analysis.
Results: At the onset of clenching (time = 0 s), the highest von Mises stresses were located in the middle and posterior areas (6.18 MPa) of the inferior disc surface facing the condylar cartilage. The largest magnitude of the minimum principal stress (−6.72 MPa) was found in the condylar cartilage. The stress concentrations were relieved towards the superior disc surface facing the temporal cartilage. On the surfaces of the temporal cartilage, relatively lower stresses were found. After 5-min clenching, both stress values induced in the TMJ components were reduced to 50–80% of the stress values at the onset of clenching, although the concomitant strains increased slightly during this period.
Conclusions: It is suggested that both the condylar and temporal cartilage layers along with the TMJ disc, play an important role in stress distribution and transmission during prolonged clenching due to tissue expansion. Furthermore, our study suggests that a development of stress concentrations in the TMJ during prolonged clenching and risk factors for the initiation of TMJ degeneration could not be confirmed.
Soort documentArtikel
Document finderUvA-Linker