Table 3.
Section 2: Malocclusion and Ease of Tooth Movement
| Question: How confident are you with using clear aligners to manage the following malocclusions? |
Confident and Very Confident: Frequency, n (%) |
Total Respondents, n |
| Mild crowding, less than 6 mm | 158 (98.8) | 160 |
| Moderate crowding, 6.8 mm | 132 (82.5) | |
| Severe crowding, more than 8 mm | 64 (40) | |
| Generalized spacing | 155 (96.9) | |
| Increased overjet, more than 8 mm | 62 (38.8) | |
| Deep overbite | 98 (61.3) | |
| Midline discrepancies, greater than 2 mm | 101 (63.1) | |
| Anterior crossbite | 136 (85) | |
| Posterior crossbite | 71 (44.4) | |
| Scissor bite | 70 (43.8) | |
| Anterior open bite | 131 (81.3) | |
| Distalization | 95 (59.4) | |
| Periodontally compromised patients | 132 (82.5) | |
| Extraction | 62 (38.8) | |
| Canting | 49 (30.6) | |
| Missing teeth, hypodontia cases | 110 (68.8) | |
| Impacted teeth, canines or centrals | 16 (10) | |
| Severe Class II and Class III skeletal problems requiring orthognathic surgery | 49 (30.6) | |
| Facial asymmetry | 36 (22.5) | |
| Rank the following from the easiest to the most difficult movement achieved with aligners in your practice (easiest movement number 1 and most difficult number 6) |
Mean ± SD |
|
| Tipping | 1.79 ± 1.35 | 160 |
| Intrusion | 3.07 ± 1.60 | |
| Rotation | 3.36 ± 1.40 | |
| Translation | 3.88 ± 1.37 | |
| Root movement | 4.31 ± 1.27 | |
| Extrusion | 4.34 ± 1.53 |
a
SD indicates standard deviation.