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Table 1 Difficulty of use and patient discomfort while using intraoral scanners and rubber and alginate materials, before and after training (10-point Likert scale)

From: Changes in views on digital intraoral scanners among dental hygienists after training in digital impression taking

Variables

Conventional impression material

iTero group

Trios group

Mean (SD)

p-value

Mean (SD)

p-value

Before

After

Before

After

Level of difficulty

Rubber

4.65 (2.09)

5.65 (1.94)

.101

5.12 (1.80)

5.00 (2.26)

.847

Alginate

6.18 (2.38)

7.29 (1.65)

.128

5.77 (2.46)

5.59 (2.62)

.779

Level of Patient discomfort

Rubber

4.29 (2.05)

4.12 (1.83)

.726

4.47 (2.63)

4.47 (2.79)

1.000

Alginate

4.88 (2.29)

5.18 (2.33)

.663

4.24 (2.10)

4.47 (2.76)

.680

  1. 10-point Likert scale: 0 ~ 4 = low score (Digital impression taking was easier and more convenient) 5; neutral; 6 ~ 10 = high score (Digital impression taking was difficult and inconvenient)