Comparative evaluation of frictional resistance of extracoronal attachments of different designs and lengths in fixed partial denture
A finite element analysis
Keywords:
Attachments, fixed dental prosthesis, force, frictional resistance, length and design of attachmentAbstract
Aim: The purpose of this study was to evaluate the effects of different extracoronal attachment lengths and designs on frictional resistance and the vertical force required to create that resistance in fixed partial dentures (FPD). Setting and Design: Finite element analysis. Materials and Methods: Four manufacturers were considered for the FPD's extracoronal attachments because to their varying designs and length options (3 mm, 3.5 mm, 4 mm, 4.5 mm, and 5 mm). Catia V5 software was used to create 3D models of the samples and perform simulations on them. To simulate medical facilities, the application was adjusted to take into consideration the characteristics. The amount of frictional resistance and the required vertical force for that resistance were calculated by finite element analysis using ANSYS workbench 15.0. Statistical Analysis Used: ANOVA and Tukey's post hoc test. Results: When compared to Panavia SA cements, the average microhardness of Variolink N resin cements was much higher (P 0.001). Compared to Panavia SA resin cements, the sorption/solubility of Variolink N cements was statistically substantially lower at the 0.05 level.
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