Descriptive statistics of the overbite values for the overall sample
| Mean | SD | 95% CI | |
|---|---|---|---|
| T0 OVB (mm) | 4.66 | 0.86 | 4.32–4.99 |
| ST1 OVB (mm) | 1.91 | 0.71 | 1.63–2.19 |
| ET1 OVB (mm)1 | 3.34 | 0.85 | 3.00–3.67 |
| ST1-T0 OVB (mm) | 2.74 | 0.81 | 2.42–3.06 |
| ET1-T0 OVB (mm) | 1.32 | 0.58 | 1.09–1.55 |
| Accuracy (%) | 48.61 | 19.22 | 41.07–56.14 |
Correlation between the nature of planned bite opening mechanisms in the ClinCheck and prediction accuracy
| N | Mean accuracy (%) | SD | CI 95% | P-value | ||
|---|---|---|---|---|---|---|
| U1 intrusion | Present | 19 | 46.57 | 17.95 | 38.50– 54.64 | 0.66 |
| Absent | 6 | 55.07 | 21.55 | 37.82– 72.32 | ||
| L1 intrusion | Present | 24 | 47.78 | 19.18 | 40.11– 55.46 | / |
| Absent | 1 | 68.42 | / | 68.42- 68.42 | ||
| Upper posterior extrusion | Present | 10 | 53.04 | 18.83 | 41.37– 64.71 | 0.7 |
| Absent | 15 | 45.66 | 18.92 | 36.08– 55.23 | ||
| Lower posterior extrusion | Present | 10 | 58.25 | 22.06 | 44.57– 71.92 | 0.37 |
| Absent | 15 | 42.18 | 13.72 | 35.24– 49.13 | ||
| U1 proclination | Present | 8 | 53.79 | 17.94 | 41.35– 66.22 | 0.69 |
| Absent | 17 | 46.17 | 19.33 | 36.99– 55.36 | ||
| L1 proclination | Present | 17 | 52.08 | 20.56 | 42.30– 61.85 | 0.57 |
| Absent | 8 | 41.24 | 13.31 | 32.02– 50.47 |
Correlation between the number of opening bite mechanisms and the overbite correction
| 1 or 2 (N = 4) | 3 or 4 (N = 20) | 5 or 6 (N = 1) | P-value | |
|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | ||
| ST1-T0 OVB(mm) | 1.90 ± 0.93 | 2.94 ± 0.73 | 2.3 | 0.057 |
| ET1-T0 OVB (mm) | 0.88 ± 0.62 | 1.38 ± 0.55 | 2.1 | 0.125 |
Mean overbite correction and frequency of the attachments number on lower premolars and molars
| 2 att (N = 1) | 4 att (N = 3) | 5 att (N = 1) | 6 att (N = 16) | 7 att (N = 1) | 8 att (N = 3) | P-value | |
|---|---|---|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | ||
| T0-ST1 | 2.20 / | 2.60 ± 0.65 | 2.20 / | 2.68 ± 0.84 | 3.90 / | 3.23 ± 1.14 | 0.54 |
| T0-ET1 | 1.10 / | 1.40 ± 0.48 | 0.70 / | 1.26 ± 0.62 | 1.20 / | 1.87 ± 0.68 | 0.56 |
Comparison between pre-treatment overbite (T0) and simulated overbite (ST1) planned on the ClinCheck
| Groups | T0 OVB (mm) | ST1 OVB (mm) | P value |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Moderate | 4.27 ± 0.42 | 2.39 ± 0.63 | <0.001** |
| Severe | 5.67 ± 0.88 | 3.64 ± 0.47 | <0.001** |
Sample distribution
| Gender | Frequency | Percentage (%) | Mean Age |
|---|---|---|---|
| Females | 13 | 52 | 33.52 y |
| Males | 12 | 48 | 29.62 y |
| Total | 25 | 100 | 32.28 y |
Association between overbite severity and accuracy
| Moderate | Severe | P-value | |
|---|---|---|---|
| Mean ± SD (95% CI) | Mean ± SD (95% CI) | ||
| T0 OVB | 4.27 ± 0.42 (4.07–4.46) | 5.67 ± 0.88 (5.02–6.32) | 0.023* |
| T0-ST1 OVB | 2.39 ± 0.63 (2.10–2.68) | 3.64 ± 0.47 (3.30–3.99) | 0.046* |
| T0-ET1 OVB | 1.24 ± 0.59 (0.97–1.52) | 1.53 ± 0.5 (1.16–1.90) | 0.61 |
| Accuracy | 51.35 ± 21 (41.65–61.05) | 41.56 ± 10.81 (33.55–49.05) | 0.61 |
Accuracy of the overbite correction
| Groups | T0-ST1 OVB (mm) | T0-ET1 OVB (mm) | ST1-ET1 (mm) | P value | Accuracy (%) |
|---|---|---|---|---|---|
| Mean ± SD (95% CI) | Mean ± SD (95% CI) | Mean ± SD (95% CI) | Mean ± SD (95% CI) | ||
| Moderate | 2.39 ± 0.63 | 1.24 ± 0.59 | 1.15 ± 0.6 | <0.001** | 51.35 ± 21 |
| Severe | 3.64 ± 0.47 | 1.53 ± 0.5 | 2.11 ± 0.4 | <0.001** | 41.56 ± 10.81 |
Spearman’s correlation coefficient between the predicted overbite correction and the prediction accuracy
| Spearman’s correlation coefficient | P-value | |
|---|---|---|
| Moderate | 0.08 | 0.76 |
| Severe | 0.29 | 0.53 |
| Total | -0.07 | 0.74 |