This manuscript investigates the use of 3D printing technology in creating practice models specifically tailored for adhesive bridge preparations. Practical training is a crucial component of dental education, especially when introducing students to complex preparation techniques that differ significantly from traditional full-coverage crown procedures. Adhesive bridge preparations, noted for their specialized techniques aimed at preventing debonding, exemplify a minimally invasive treatment approach, presenting unique challenges in learning environments.
Currently, dental students predominantly train using standardized model teeth provided by manufacturers such as KaVo (Biberach an der Riß, Germany) and Frasaco (Tettnang, Germany). However, there is an increasing demand for more realistic and innovative practice models. The advancement of 3D printing technology in recent years has made it possible to produce dental practice models that are not only more lifelike but also cost-effective and capable of replicating intricate shapes.
Previous studies highlight the effectiveness of 3D printing in dental education. For instance, Marty et al. designed exercise models aimed at enhancing teaching methods in pediatric dentistry. Additionally, Kröger et al. created 3D-printed simulation models based on actual patient cases, which received positive feedback from students and proved beneficial for clinical training. Other studies have reported on various applications of 3D printing in dental education, including modular training models for procedures such as caries excavation, pulp capping, core build-ups, dentin post preparations, and veneer and crown preparations, underscoring the versatility and feasibility of this technology in dental training.
The primary objective of this study was to instruct dental students on the preparation of adhesive bridges using 3D-printed teeth. These printed models, featuring integrated adhesive bridge preparations, were tested in a voluntary course involving fourth-year dental students at the university. To evaluate the effectiveness and acceptance of this innovative approach, students provided feedback through a questionnaire.
The hypothesis posited that the use of 3D-printed teeth would offer a distinct advantage in the learning process compared to traditional model teeth. Furthermore, this method could be adapted for various preparation forms, representing a cost-efficient alternative in dental education.
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