FINITE ELEMENT ANALYSIS TO DETERMINE CENTRE OF RESISTANCE AND CENTRE OF ROTATION WITH VARIATION IN ROOT LENGTH FOR SINGLE ROOTED AND MULTIROOTED TEETH
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Abstract
The finite element method (FEM) is a highly precise technique used to analyze structural stress.The aim of this study was to locate centre of resistance at varying root length,to locate centre of rotation at varying root length and to analyse the changes in tooth displacement associated with various root lengths.ANSYS program was used for the analysis.Displacement of tooth increased with short root length for maxillary central incisor, lateral incisor, canine, and 1st molar. Whereas displacement of tooth did not increase with shorter root length for 1st pre molar and 2nd pre molar.
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