PMID: 18203471Jan 22, 2008Paper

Shear bond strength and FEM of a resin-modified glass ionomer cement--effects of tooth enamel shape and orthodontic bracket base configuration

Dental Materials Journal
Makiha HiokiAkiyoshi Shin-Ya

Abstract

The objective of this study was to evaluate the influences of enamel shape and bracket base configuration on shear bond strength from a biomechanical point of view. To this end, shear bond test and stress analysis using finite element method (FEM) were performed. Results obtained from both tests were then comprehensively investigated. Maxillary incisors were prepared for plane specimens, while mandibular premolars were prepared for curvature specimens. Shear bond test was carried out with three different test conditions. Two finite element models of enamel shape and bracket base configuration were also created. An approximate mean load of 200 N was applied. Results revealed that the shear bond strength of plane model was higher than that of curvature model. In conclusion, the present study revealed that shear bond strength was significantly influenced by enamel shape and bracket base configuration, whereby a curvature configuration tended to have lower bond strength.

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Citations

Jan 23, 2020·BMC Oral Health·Selma Elekdag-Türk
Jul 16, 2015·European Journal of Orthodontics·Spyridon N PapageorgiouChristoph Bourauel
Dec 10, 2016·European Journal of Orthodontics·Spyridon N PapageorgiouChristoph Bourauel
Dec 20, 2019·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Sho GotoToshiya Endo
Dec 20, 2012·The Journal of Contemporary Dental Practice·Hashim Ali, Sasi Maroli

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