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Tropical Dental Journal - 1st Pan African international dental journal


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Tropical Dental Journal - N° 169 - March 2020

N° 169



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Lebanonphoto_auteurInfluence of material and connector size on the stress distribution of a temporary bridge: a finite element analysis

C. Rouhana, P. Habre - Lebanon
Published in French in Tropical Dental Journal N° 169 - Volume 43 - Mars 2020 - 5-16


Abstract

Introduction: The aim of this study was to evaluate, with the Finite Element Analysis (FEA), the influence of the material and the connector size on stresses in a 3-unit temporary fixed partial denture in order to estimate the fracture resistance.
Materials and methods: Nine three-dimensional models were then constructed with three different temporary materials: a self-cured acrylic resin (Unifast III), a self-cured composite resin (Luxacrown) and a CAD/CAM PMMA-based polymers (TelioCAD) and three different cross sectional sizes of the connector: 9, 12 and 16 mm2. An axial force of 500 N was simulated onto the pontic. The distribution of the equivalent Von Mises stresses was computed for each model using the software ANSYS Workbench 19.1 (Ansys Inc., USA). The data were statistically analysed ...

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> Full content of N° 169



PRESS / SCIENTIFIC NEWS

African press

Severe gum disease linked to 49% higher risk of hypertension

9/24/2019 - Medical News Today - United Kingdom

More and more evidence points to the notion that gum disease increases the risk of other health conditions, including hypertension. A new review of the literature now argues that the more severe the form of gum disease, the higher the risk of hypertension.

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Scientific articles

Root canal procedures do not cause cancer: This is why

Hana Ames - (Medically reviewed by Christine Frank, DDS on March 23, 2020 New — Written by Hana Ames)

Online articles, a film, and even some doctors claim that root canal procedures are the underlying cause of cancer and other diseases. This is false. Root canal procedures do not cause cancer. This myth derives from unfounded claims that 97% of people who have terminal cancer had root canal surgery, suggesting a link between dental work and the development of cancer.

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How is COVID-19 affecting the dental industry?
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Frequent toothbrushing found to lower risk of diabetes
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New antibacterial fillings may combat recurring tooth decay
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