title: Finite element analysis of stress distribution on modified retentive tips of bar clasp.
abstract: This study used finite element analysis to evaluate the retentive tips of bar clasps made from different alloys and using different designs in order to determine whether or not different materials and tip forms are suitable for bar clasp applications. Co-Cr, Ti and Type IV Au alloys were selected based on their physical and mechanical properties. The 3D finite element models of three different bar clasp retentive tip geometries prepared from Co-Cr, Ti and Type IV Au alloys were constructed using the finite element software package MSC.Marc. Analysis of a concentrated load of 5 N applied to the removable partial denture approach arms in an occlusal direction was performed. Although stress distribution and localisation within bar clasps with different retentive tips were observed to be similar and were concentrated in the approach arm, stress intensities differed in all models.
authors.affiliation: School of Dental Technology, Hacettepe University, Ankara, Turkey. poyar73@gmail.com
authors.forename: P
authors.initials: P
authors.lastname: Oyar
authors.forename: C
authors.initials: C
authors.lastname: Soyarslan
authors.forename: G
authors.initials: G
authors.lastname: Can
authors.forename: E
authors.initials: E
authors.lastname: Demirci
mesh_terms: D000497:Alloys; D020342:Finite Element Analysis; D008422:Materials Testing
chemical_list: D000497:Alloys