June 15, 2014
June 15, 2014
June 18, 2014
24.177.1 - 24.177.10
An Undergraduate Research Project to Test a Composite Wetting Resin Material for DentalApplicationsThis paper presents results from a multidisciplinary undergraduate research project conducted bya professor at the dental school and an engineering sophomore student at East CarolinaUniversity. By adopting the educational paradigm of “Learning by Doing”, this research projectis used as a student learning tool for comprehension and reinforcement of concepts in basicengineering courses in undergraduate engineering curriculum such as engineering materials andstrength of materials. The strength of dental composite is pivotal to the overall success of adental filling. The main purpose of this project is to assess the efficacy of a wetting/repair resincalled, Composite Wetting Resin, Ultradent Products Inc., in the adding of uncured compositematerial to cured composite material. The resin is recommended for repairs where the oxygeninhibited layer may have been disturbed. The strength of composite filling materials was testedusing a universal material tester. The tester uses specific strength tests and equations to calculatethe overall stress of a composite. Fresh composite samples are made and tested by applying asimple 3-point bend test. In addition, three-dimensional (3-D) numerical models were createdusing the Solid Works software and its analysis package. The project hypothesizes that the oldequations of stress modeling are overestimating the applied stress of dental composite. Detailedinformation and results will be presented and discussed in the full version of the paper.
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