Table 7.
Results of the free text questions (Q6.1 and Q6.2) for H1, H2, H3 and in total
| H1 | H2 | H3 | total | |
|---|---|---|---|---|
| Suggested improvements on the 3D printed practice teeth (Q6.1) | ||||
| increase hardness | 15 | 7 | 21 | 43 |
| provisional restoration difficult due to unintended adhesion with 3D printed teeth | 3 | 3 | 0 | 6 |
| enamel layer missing | 2 | 0 | 3 | 5 |
| improve bonding of components | 0 | 2 | 3 | 5 |
| improve retention in model | 1 | 2 | 1 | 4 |
| improve form of teeth | 1 | 1 | 0 | 2 |
| bad visibility of core build-up | 1 | 1 | 0 | 2 |
| caries excavation unrealistic | 2 | 0 | 0 | 2 |
| loss of definition at the preparation margin | 1 | 0 | 1 | 2 |
| unrealistic surface structure | 0 | 2 | 0 | 2 |
| implement pulp chamber | 1 | 0 | 0 | 1 |
| deeper core build-up | 0 | 0 | 1 | 1 |
| Advantages of 3D printed training materials in dental education (Q6.2) | ||||
| reduced costs | 18 | 8 | 17 | 43 |
| more realistic practice opportunity | 4 | 7 | 7 | 18 |
| individual tooth shape, position and defects possible | 1 | 8 | 4 | 13 |
| flexibility of the practice | 4 | 4 | 4 | 12 |
| patient realistic situation enabled | 3 | 2 | 1 | 6 |
| good and useful practice opportunity | 0 | 5 | 0 | 5 |
| realistic workflow with caries excavation and core build-up | 4 | 0 | 0 | 4 |
| better simulation of color than typodont teeth | 1 | 3 | 0 | 4 |
| better simulation of hardness than typodont teeth | 2 | 1 | 0 | 3 |
| diversion as a practice | 1 | 2 | 0 | 3 |
| enabling defect-oriented preparation | 0 | 3 | 0 | 3 |
| enables utilization of different materials | 0 | 2 | 1 | 3 |
| practice of difficult situations | 1 | 0 | 0 | 1 |
| training without risk to patients | 1 | 0 | 0 | 1 |
| availability | 0 | 0 | 1 | 1 |
| future proof | 0 | 0 | 1 | 1 |
| efficient | 0 | 0 | 1 | 1 |
| boost in self-confidence | 0 | 0 | 1 | 1 |