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 | p-value* |
|---|---|---|---|---|
| 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 | p-value |
|---|---|---|---|---|
| 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 | p-value* |
|---|---|---|---|
| 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 |