Table 4 Percentage distribution of different KIG-grades requiring treatment (9 classifications and 16 grades) of the DMS•6, sample of 8- and 9-year-olds (Source: [7] p 84, tab. 3.25)
KIG | Description | Grade 3 | Grade 4 | Grade 5 | Grade 3—5 |
|---|---|---|---|---|---|
A | Craniofacial anomalies | - | - | 1.2 | 1.2 |
D | Sagittal discrepancy increased overjet | - | 37.8 | 8.1 | 45.9 |
M | Sagittal discrepancy negative overjet | - | 6.9 | 1.5 | 8.5 |
O | Vertical discrepancy open bite | 1.5 | - | 2.3 | 3.9 |
T | Vertical discrepancy deep bite | 12.4 | - | - | 12.4 |
B | Transverse discrepancy scissors bite | - | 0.4 | - | 0.4 |
K | Transverse discrepancy crossbite | - | 9.7 | - | 9.7 |
E | Contact point displacement | 6.6 | - | - | 6.6 |
P | Space deficiency | 5.4 | 6.2 | - | 11.6 |
total | 25.9 | 61.0 | 13.1 | 100.0 |