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Conceptualization, P.K.-F., F.H. and A.K.; data curation, P.K.-F.; formal analysis, P.K.-F.; methodology, P.K.-F., S.S. and E.W.; project administration, F.H.; resources, S.S.; supervision, F.H. and A.K.; validation, F.H.; writing—original draft, P.K.-F.; writing—review and editing, S.S., E.W., F.H. and A.K. All authors have read and agreed to the published version of the manuscript.
Figure 1. Study procedures: After instructions and demonstrations by the study supervisor (white hexagons), the active tandem partner (ATP) performed the intraoral scan on the passive tandem partner (PTP), which was followed by the CAD design, the lab finishing, and the insertion of the splint to the PTP. The study’s supervisor fabricated the splints via 3D printing and also handled postprocessing operations for the students.
Figure 1. Study procedures: After instructions and demonstrations by the study supervisor (white hexagons), the active tandem partner (ATP) performed the intraoral scan on the passive tandem partner (PTP), which was followed by the CAD design, the lab finishing, and the insertion of the splint to the PTP. The study’s supervisor fabricated the splints via 3D printing and also handled postprocessing operations for the students.
Figure 2. Response rate of questionnaires (y-axis, 100% = all enrolled participants) from the four tasks (x-axis) handled in all cohorts.
Figure 2. Response rate of questionnaires (y-axis, 100% = all enrolled participants) from the four tasks (x-axis) handled in all cohorts.
Figure 3. Feedback about intraoral scanning. The distribution of VAS answers per item, grouped by relative frequency within each third (0–33, 33–66, and 66–100) of the active tandem partners (ATP).
Figure 3. Feedback about intraoral scanning. The distribution of VAS answers per item, grouped by relative frequency within each third (0–33, 33–66, and 66–100) of the active tandem partners (ATP).
Figure 4. Feedback from computer-aided design (CAD) of the bite splint. The distribution of VAS answers per item, grouped by relative frequency within each third (0–33, 33–66, and 66–100) of the active tandem partners (ATP).
Figure 4. Feedback from computer-aided design (CAD) of the bite splint. The distribution of VAS answers per item, grouped by relative frequency within each third (0–33, 33–66, and 66–100) of the active tandem partners (ATP).
Figure 5. Finishing the additive manufactured bite splint. The distribution of VAS answers per item, grouped by relative frequency within each third (0–33, 33–66, and 66–100) of the active tandem partners (ATP).
Figure 5. Finishing the additive manufactured bite splint. The distribution of VAS answers per item, grouped by relative frequency within each third (0–33, 33–66, and 66–100) of the active tandem partners (ATP).
Figure 6. Responses to time-relevant items in each cohort. The CDF plots provide with each line (semester separated by color and legend in the middle) the mean values of the VAS answers (x-value; 0 = swift; 100 = extensive) and duration (x-value in h:mm) in the participants of the semester cohort. This allows a comparison of the cumulative probability (y-axis, sum of all participants in percent) of the responses of all participants (active and passive tandem partners ATP/PTP).
Figure 6. Responses to time-relevant items in each cohort. The CDF plots provide with each line (semester separated by color and legend in the middle) the mean values of the VAS answers (x-value; 0 = swift; 100 = extensive) and duration (x-value in h:mm) in the participants of the semester cohort. This allows a comparison of the cumulative probability (y-axis, sum of all participants in percent) of the responses of all participants (active and passive tandem partners ATP/PTP).
Table 1. Devices and materials used to support the digital workflow performed by the students.
Table 1. Devices and materials used to support the digital workflow performed by the students.
WORKFLOWCompany, City, CountryTechnologySpecification, Software VersionIntraoral scan3Shape, Kopenhagen, DenmarkUltrafast optical sectioningTrios 3 color, Pod Version, Ver: Trios 2015-1CADexocad, Darmstadt, GermanyDental CAD DesignerTable 2. Durations of the major activities within the tasks as reported by the students (N) throughout the four cohorts.
Table 2. Durations of the major activities within the tasks as reported by the students (N) throughout the four cohorts.
TaskN25th
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