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Table 1 Items and descriptive statistics of the questionnaire I (Digital preparation analysis)

From: Undergraduate dental students’ perspective on the implementation of digital dentistry in the preclinical curriculum: a questionnaire survey

Item

Item description

25th percentile

Median

75th percentile

N

Handling 1a

The menu guidance of the intraoral scanner and prepCheck-software is easily comprehensible.

4

4

5

95

Handling 2a (rec.)

The scanning process with the intraoral scanner handpiece does not cause me any difficulties.

3

4

5

98

Handling 3a

The analysis of the preparation with prepCheck is feasible.

4

4

5

96

Handling 4a

After the demonstration and exercises in the trainings module, I feel confident to use prepCheck by myself.

4

4

5

97

Didactic benefit 1a

The workflow of the intraoral scanner and prepCheck software is clear and understandable.

4

4

5

96

Didactic benefit 2a

Seeing my preparation on the monitor and getting an objective analysis with prepCheck, trains my own judgement

4

5

5

98

Didactic benefit 3a

Using prepCheck is as well training of intraoral scanning.

4

4

5

98

Didactic benefit 4a

The prepCheck report is helpful to improve my own performance regarding preparation.

4

4

5

99

Didactic benefit 5a

The prepCheck report is easy to understand.

3

4

5

97

Motivation 1a

Using new technologies (e.g. prepCheck) motivates me.

4

4.5

5

98

Motivation 2a

Analyzing my own preparation with prepCheck motivates me.

4

4

5

96

Motivation 3a (rec.)

I do not think that prepCheck as an additional course component is a chore.

3

4

5

94

Overall assessment b

If you consider the following aspects of the assessment of your preparation, what type of assessment would you prefer (dentist or prepCheck)? (1 = dentist, 5 = prepCheck)

Overall assessment 1b

less time

2

3

4

90

Overall assessment 2b

easier handling

2

3

4

88

Overall assessment 3b

greater fault tolerance

1

2

3

88

Overall assessment 4b

more tips/ better feedback

1

2

3

90

Overall assessment 5b

enjoy practicing more

2

3

3

92

  1. N = number of valid answers (total: N = 104)
  2. atype of answer: 1 = strongly disagree, 5 = strongly agree
  3. btype of answer: 1 = evaluation by dentist, 5 = evaluation by prepCheck
  4. rec: Handling 2 and Motivation 3 were recoded before the analysis of questionnaire, so that higher values also express a more positive assessment here