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Article Dans Une Revue Journal of Dental Education Année : 2017

Optimization and pre-clinical perception of an artificial simulator for endodontic training : a preliminary study

Résumé

The aim of this study was to evaluate the performance of ceramic, hybrid ceramic, and commercial plastic bloc root canal simulator (RCS) as preclinical training aids in the learning phase of endodontic treatments. A previously developed hydroxyapatite ceramic RCS was improved by adding epoxy resin to the ceramic matrix to more closely mimic the organic phase of dentin and to simulate the clinical situation as realistically as possible. The sintered hydroxyapatite ceramic RCS was vacuum infiltrated with epoxy resin, and the degree of infiltration was evaluated by methylene blue staining. The suitability of the resin-infiltrated ceramic simulator (CR) for preclinical endodontic training was compared to that of a non-infiltrated ceramic simulator (C) and a commercial epoxy bloc (P) using a cohort of 30 dental students at one dental school in France. The study was conducted in 2016. The students' perceptions following the required exercises using the CR, C, and P were scored using a questionnaire. The learning outcomes were also assessed by examining the canal preparations that the students performed on extracted teeth using a master cone try-in test. The vacuum process resulted in a good degree of resin infiltration into the ceramic. The questionnaire showed that the C and CR groups generally reported greater satisfaction, especially for radiographic visualizations, than the P group. The CR group had a higher score than the P group for tactile sensation. There was no significant difference among the three groups with respect to the canal preparations using extracted teeth. Resin infiltration improved the performance of the ceramic RCS, especially with respect to perception during root canal instrumentation. A larger scale student training investigation and an assessment by experienced endodontists are required to validate the model.
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Dates et versions

hal-03120963 , version 1 (26-01-2021)

Identifiants

Citer

Lieven Robberecht, Jean-Christophe Hornez, Marion Dehurtevent, Thomas Dufour, Julien Labreuche, et al.. Optimization and pre-clinical perception of an artificial simulator for endodontic training : a preliminary study. Journal of Dental Education, 2017, 81 (3), pp.326-332. ⟨10.1002/j.0022-0337.2017.81.3.tb06278.x⟩. ⟨hal-03120963⟩
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