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Published on: December 20, 2024
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3D Printed Teeth with Included Veneer Preparation Guide.
Christian Höhne1, Tanja Rammler1, Marc Schmitter1
1Department of Prosthodontics, University of Würzburg, Würzburg, Germany.
Summary
3D printed dental models with internal veneer preparation significantly enhance dental education. Students preferred these innovative models for practicing veneer preparations, reporting superior learning outcomes compared to traditional methods.
Area of Science:
- Dental education
- 3D printing technology
- Prosthodontics
Background:
- Traditional dental education relies on standardized model teeth.
- Veneer preparation requires precise training and tactile feedback.
- Existing models may lack realistic preparation visualization.
Purpose of the Study:
- To design and evaluate a 3D printed tooth model for veneer preparation training.
- To assess the feasibility and cost-effectiveness of 3D printed dental models.
- To compare student learning outcomes using 3D printed models versus standard models.
Main Methods:
- A stereolithographic printer created two-layered tooth models with distinct crown and preparation colors.
- Forty dental students participated in a voluntary course, practicing veneer preparation on four 3D printed teeth.
- Student feedback was collected via questionnaire, with data analyzed using Cronbach's alpha and Mann-Whitney U-test.
Main Results:
- 3D printed tooth model production was feasible and cost-effective.
- Students rated the 3D printed models highly (mean 1.8/6), significantly preferring them over standard models (mean 3.0/6).
- Key advantages included clear color-coded preparation visibility (1.7/6) and suitability for practice (1.9/6).
Conclusions:
- The 3D printed tooth model with internal veneer preparation is a feasible and effective teaching tool.
- Students demonstrated a strong preference for these innovative models, highlighting their educational value.
- This technology allows students continuous self-assessment of their preparation accuracy.
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