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Outcome of High-Fidelity 3D Jaw Model Simulations in Enhancing Endodontic Microsurgical Training
Pei Yuan Chan1, Lean Heong Foo2, Jeen Nee Lui1
1Endodontic Unit, Department of Restorative Dentistry, National Dental Centre, Singapore, Singapore.
International Endodontic Journal
|September 26, 2025
Summary
High-fidelity 3D jaw models significantly improved endodontic microsurgery (EMS) residents' confidence and preparedness. This simulation training enhances clinical readiness and surgical competence, supporting its integration into endodontic education.
Area of Science:
- Dental Surgery
- Medical Simulation
- Endodontics
Background:
- Endodontic microsurgery (EMS) training traditionally lacks fidelity and clinical relevance.
- High-fidelity 3D jaw models offer a realistic simulation solution for complex endodontic procedures.
- Bridging the gap between theoretical knowledge and practical skills is crucial for resident development.
Purpose of the Study:
- To assess the impact of high-fidelity 3D jaw model simulations on endodontic residents' confidence and preparedness for EMS.
- To compare the effectiveness of 3D simulation training with traditional methods.
Main Methods:
- A descriptive cross-sectional study compared endodontic residents trained with 3D models versus traditional pig mandible models.
- The intervention group (n=11) underwent a four-session 3D simulation training.
- The control group (n=4) attended a single-session workshop with pig mandibles.
Main Results:
- Residents using 3D models showed significant improvements in treatment planning confidence (2.45 to 3.68) and EMS preparedness (1.54 to 3.20).
- The 3D simulation group reported higher realism, reduced stress, and greater perceived preparedness compared to controls.
- Confidence in performing EMS independently increased substantially in the 3D group (1.27 to 3.03).
Conclusions:
- High-fidelity 3D jaw model simulations effectively enhance resident confidence and preparedness for endodontic microsurgery.
- Integrating 3D simulation into endodontic training programs is recommended to improve clinical readiness.
- This approach supports the development of surgical competence in aspiring endodontists.

