Backgrounds
Methods
Participants
Intraoral scanners
Study design and Workflow
Questionnaire configuration
Statistical analysis
Results
Views on difficulty of use and patient comfort before and after training
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 |
Awareness about digital impression taking before and after training
Parameters | Variables (Scores for agreement regarding digital impression taking) | iTero | Trios | ||||
---|---|---|---|---|---|---|---|
Mean (SD) | p-value | Mean (SD) | p-value | ||||
Before | After | Before | After | ||||
Accuracy | More accurate than rubber impression taking | 4.29 (1.45) | 4.82 (1.24) | 0.024* | 5.06 (1.09) | 5.59 (1.23) | 0.132 |
More accurate than alginate impression taking | 4.77 (1.60) | 5.35 (1.62) | 0.096 | 5.47 (1.13) | 6.06 (1.09) | 0.086 | |
Convenience | More efficient management of impression model | 5.88 (1.69) | 6.29 (1.49) | 0.130 | 6.41 (0.80) | 6.59 (0.62) | 0.484 |
Efficiency | Possibility of saving time compared to rubber impressions | 5.24 (1.60) | 4.88 (1.57) | 0.455 | 4.65 (1.54) | 4.82 (1.63) | 0.661 |
Possibility of saving time compared to alginate impressions | 4.29 (2.14) | 4.06 (2.05) | 0.702 | 4.29 (1.72) | 4.06 (1.78) | 0.632 | |
Influence on simplification of the entire treatment process | 5.24 (1.03) | 5.06 (1.56) | 0.627 | 5.18 (1.01) | 5.47 (1.06) | 0.311 | |
Usefulness in attracting patient’s attention. | 5.82 (1.43) | 6.12 (0.78) | 0.385 | 5.47 (1.18) | 6.00 (0.94) | 0.083 | |
Clinical usefulness | Influence on increasing patient’s trust. | 5.35 (1.58) | 5.88 (0.78) | 0.120 | 5.59 (1.06) | 5.77 (0.90) | 0.616 |
Influence on promoting the dental clinic. | 5.35 (1.50) | 5.88 (0.99) | 0.034* | 5.59 (1.06) | 6.00 (0.87) | 0.069 | |
Skill acquisition | Ease of training in a short time | 4.47 (1.28) | 4.06 (1.30) | 0.370 | 4.65 (1.46) | 4.65 (1.73) | 1.000 |
Effect of proficiency in using digital impression techniques on the accuracy | 6.24 (0.83) | 6.59 (0.71) | 0.251 | 6.18 (0.88) | 6.18 (0.72) | 1.000 | |
Superior ability in taking digital impressions compared to other colleagues | 5.18 (1.33) | 5.41 (1.27) | 0.299 | 5.65 (1.00) | 5.71 (0.85) | 0.817 | |
Usefulness of digital impression in the clinical environment | 4.82 (1.28) | 5.18 (1.29) | 0.370 | 5.47 (0.80) | 5.53 (1.23) | 0.848 | |
Positive interest in taking digital impressions | 5.59 (1.06) | 5.29 (0.92) | 0.206 | 5.65 (0.79) | 5.71 (1.11) | 0.848 |
Preference for digital impression taking
Views on clinical usefulness in the iTero and Trios groups
Variables | iTero group | Trios group | ||||
---|---|---|---|---|---|---|
iTero | Trios | p-value | iTero | Trios | p-value | |
Mean (SD) | Mean (SD) | |||||
Light weight head | 1.65 (0.78) | 2.65 (0.86) | .000* | 1.89 (0.60) | 2.30 (0.58) | .014* |
Small-sized head | 2.12 (0.69) | 2.42 (0.87) | .096 | 2.00 (0.70) | 2.18 (0.63) | .332 |
Easy to operate software | 2.89 (0.85) | 2.95 (0.82) | .750 | 2.24 (0.75) | 3.00 (0.50) | .008* |
Easy to operate hardware | 2.47 (0.71) | 2.82 (0.63) | .188 | 2.29 (0.46) | 2.70 (0.46) | .004* |
Good grip | 2.05 (0.65) | 2.76 (0.66) | .009* | 2.35 (0.78) | 2.23 (0.66) | .651 |
Quick training | 2.23 (0.56) | 2.70 (0.77) | .056 | 2.41 (0.50) | 2.58 (0.50) | .269 |
Comfortable handling | 2.52 (0.87) | 3.17 (0.52) | .007* | 2.58 (0.71) | 2.70 (0.77) | .579 |
Views on difficulty of use and patient comfort in the iTero and Trios groups
iTero group | Trios group | |||||
---|---|---|---|---|---|---|
Variables | iTero | Trios | p-value | iTero | Trios | p-value |
Mean (SD) | Mean (SD) | |||||
Level of difficulty | 5.47 (2.37) | 4.23 (1.92) | .034* | 5.70 (2.08) | 4.52 (2.26) | .061 |
Level of patient discomfort | 4.11 (2.08) | 3.11 (1.56) | .007* | 4.70 (2.08) | 4.11 (2.17) | .276 |