Table 1.
Variables and detentions used in the study
| Antero-posterior deviations | |
|---|---|
| Angle’s molar relationship | Class I |
| Class II | |
| Class III | |
| Overjet | Normal (1–2 mm), |
| Excess (> 2 mm), | |
| Reduced (< 1 mm) | |
| Reverse overjet or Anterior crossbite (< 0) | |
| Vertical deviations | |
| Overbite | Normal (1–2 mm) |
| Excess (> 2 mm), | |
| Reduced (< 1 mm) | |
| Open bite | Absent |
| Present | |
| Transverse deviation | |
| Posterior crossbite | Absent |
| Present | |
| Alignment | |
| Spacing | Absent |
| Present | |
| Crowding (Overlapping of erupted teeth due to insufficient space or lack of space for teeth to erupt in the dental arch) | Absent |
| Present | |
| Facial profile | |
| Type | Straight profile |
| Convex profile | |
| Concave profile | |