objective: intrusion as a type of tooth movement is managed by different mechanotherapies during various treatment stages. the morphology of the apical third of the teeth to be intruded plays an important role in the risk of root resorption due to the raise of stresses. the main goal of this study was to compare various types of apical third of the teeth while loaded by an intrusive force. mate...

Abstract

The approaches used to calculate the fatigue life of components must inevitably consider multiaxial stresses. Compared proportional loading, calculation nonproportional loading is particularly challenging, especially since different materials exhibit effects hardening and shifts in life. In this paper, critical plane approach scaled normal stresses, first proposed by Gaier Dannbauer later publi...

In the present study, stress analysis and explicit solution of rectangular plate with arbitrarily located circular hole, subjected to linear normal stresses on two opposite edges, has been investigated. Airy function and hoop stresses occurring at the edge of the circular have been computed. In this method 2D dimension elasticity and Airy stress function was used. The present method for explici...