The effect of post-ultraviolet light curing on the accuracy of direct-printed aligners: an in vitro study
, e | 24 apr 2024
INFORMAZIONI SU QUESTO ARTICOLO
Pubblicato online: 24 apr 2024
Pagine: 85 - 94
Ricevuto: 01 nov 2023
Accettato: 01 mar 2024
DOI: https://doi.org/10.2478/aoj-2024-0008
© 2024 Anup Kanase et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Comparison of composite deviation between the groups for first observer (N = 30)
| Landmark | No cure | 40 min cure | 60 min cure | |
|---|---|---|---|---|
| R1 | -0.48 (0.65) | -0.16 (0.33) | -0.03 (0.16) | 0.074 |
| L1 | -0.46 (0.67) | -0.19 (0.21) | -0.11 (0.13) | 0.170 |
| R3 | -0.18 (0.36) | -0.14 (0.1) | -0.13 (0.13) | 0.858 |
| L3 | -0.25 (0.54) | -0.03 (0.1) | -0.04 (0.22) | 0.310 |
| R6 | -0.66 (0.54) | -0.13 (0.05) | -0.15 (0.17) | 0.001 |
| L6 | -0.21 (0.8) | -0.05 (0.17) | -0.03 (0.13) | 0.665 |
| FR1 | -0.08 (0.4) | 0.07 (0.13) | 0.12 (0.07) | 0.159 |
| FL1 | -0.11 (0.32) | 0.15 (0.03) | 0.18 (0.05) | 0.002 |
| R7 | -0.38 (0.52) | -0.09 (0.13) | -0.09 (0.18) | 0.091 |
| L7 | -0.73 (0.74) | -0.13 (0.08) | -0.02 (0.12) | 0.003 |
Intra-class correlation coefficient between the two observers across the three groups (N = 30)
| Group | Landmark | Intra-class correlation coefficient (95% CI) | Percentage with <0.10 mm difference | |
|---|---|---|---|---|
| No cure | R1 | 0.265 (-0.401–0.748) | 50% | 0.215 |
| L1 | -0.121 (-0.674–0.519) | 50% | 0.639 | |
| R3 | 0.671 (0.115–0.906) | 90% | 0.012 | |
| L3 | 0.953 (0.821–0.987) | 90% | <0.001 | |
| R6 | 0.742 (0.253–0.929) | 90% | 0.004 | |
| L6 | 0.491 (-0.157–0.843) | 50% | 0.062 | |
| FR1 | 0.518 (-0.122–0.853) | 70% | 0.051 | |
| FL1 | 0.079 (-0.549–0.65) | 80% | 0.409 | |
| R7 | 0.958 (0.841–0.989) | 70% | <0.001 | |
| L7 | 0.755 (0.28–0.932) | 80% | 0.004 | |
| 40 min cure | R1 | 0.045 (-0.573–0.630) | 70% | 0.448 |
| L1 | 0.454 (-0.204–0.829) | 80% | 0.080 | |
| R3 | 0.802 (0.385–0.946) | 80% | 0.002 | |
| L3 | 0.327 (-0.342–0.776) | 90% | 0.163 | |
| R6 | 0.445 (-0.214–0.825) | 80% | 0.085 | |
| L6 | 0.688 (0.147–0.912) | 90% | 0.010 | |
| FR1 | 0.821 (0.432–0.952) | 100% | 0.001 | |
| FL1 | 0.393 (-0.274–0.804) | 90% | 0.116 | |
| R7 | 0.926 (0.732–0.981) | 100% | <0.001 | |
| L7 | 0.524 (-0.114–0.855) | 80% | 0.049 | |
| 60 min cure | R1 | 0.079 (-0.549–0.650) | 70% | 0.409 |
| L1 | 0.282 (-0.385–0.756) | 90% | 0.200 | |
| R3 | 0.44 (-0.22–0.823) | 100% | 0.088 | |
| L3 | 0.758 (0.286–0.933) | 80% | 0.003 | |
| R6 | 0.528 (-0.108–0.857) | 90% | 0.047 | |
| L6 | -0.023 (-0.616–0.587) | 80% | 0.527 | |
| FR1 | 0.857 (0.526–0.962) | 90% | <0.001 | |
| FL1 | 0.843 (0.49–0.958) | 90% | 0.001 | |
| R7 | 0.823 (0.438–0.952) | 80% | 0.001 | |
| L7 | 0.768 (0.307–0.936) | 90% | 0.003 |
Comparison of internal deviation within the group for first observer (N = 30)
| Group | Landmark | Mean ± SD | |
|---|---|---|---|
| No cure | R1 | -0.48 (0.65) | 0.140 |
| L1 | -0.46 (0.67) | ||
| R3 | -0.18 (0.36) | ||
| L3 | -0.25 (0.54) | ||
| R6 | -0.66 (0.54) | ||
| L6 | -0.21 (0.8) | ||
| FR1 | -0.08 (0.4) | ||
| FL1 | -0.11 (0.32) | ||
| R7 | -0.38 (0.52) | ||
| L7 | -0.73 (0.74) | ||
| 40 min cure | R1 | -0.16 (0.33) | 0.006 |
| L1 | -0.19 (0.21) | ||
| R3 | -0.14 (0.1) | ||
| L3 |
-0.03 (0.1) | ||
| R6 | -0.13 (0.05) | ||
| L6 | -0.05 (0.17) | ||
| FR1 | 0.07 (0.13) | ||
| FL1 | 0.15 (0.03) | ||
| R7 | -0.09 (0.13) | ||
| L7 | -0.13 (0.08) | ||
| 60 min cure | R1 |
-0.03 (0.16) | <0.001 |
| L1 | -0.11 (0.13) | ||
| R3 | -0.13 (0.13) | ||
| L3 |
-0.04 (0.22) | ||
| R6 | -0.15 (0.17) | ||
| L6 |
-0.03 (0.13) | ||
| FR1 | 0.12 (0.07) | ||
| FL1 | 0.18 (0.05) | ||
| R7 | -0.09 (0.18) | ||
| L7 |
-0.02 (0.12) |
Post hoc analysis
| Landmark | No cure vs 40 min cure | No cure vs 60 min cure | 40 min cure vs 60 min cure |
|---|---|---|---|
| R1 | 0.249 | 0.067 | 0.762 |
| L1 | 0.333 | 0.172 | 0.913 |
| R3 | 0.910 | 0.859 | 0.993 |
| L3 | 0.365 | 0.393 | 0.998 |
| R6 | 0.004 | 0.004 | 0.997 |
| L6 | 0.734 | 0.695 | 0.998 |
| FR1 | 0.340 | 0.156 | 0.882 |
| FL1 | 0.009 | 0.004 | 0.948 |
| R7 | 0.133 | 0.139 | 1.000 |
| L7 | 0.014 | 0.004 | 0.848 |