Author:
Abbod Esraa A.,Al-Waily Muhannad,Al-Hadrayi Ziadoon M.R.,Resan Kadhim K.,Abbas Saif M.
Abstract
Abstract
Specialist has attempted to treat or replace teeth in case of human dental damage as a result of illness or misuse at certain stages of life. Alternating force affects the life of teeth, and this force causes failure. In this study, partial molar denture was manufactured from a composite material, including polymethylmethacrylate acrylic with zirconia, at different weight fractions (0, 2.5, 5 and 7.5 wt%). Mechanical tests (compression and hardness) were conducted for these samples, and the best weight fraction was selected to manufacture the partial molar denture. The chewing force was measured using a F-sensor. Numerical solution was achieved using the solid work software to determine the best sample and study the distribution of the dental stresses. To predict the life of the denture experimentally, we designed and manufactured a new device that can determine the life of the dental by applying alternative load which simulates the force generated by chewing.
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