From: Prevalence of and factors affecting malocclusion in primary dentition among children in Xi’an, China
Type | N | Percentage (%) |
---|---|---|
Malocclusion in sagittal direction | ||
Anterior crossbite | 152 | 6.80 |
Edge to edge occlusion | 55 | 2.46 |
Increased overjet | 782 | 34.99 |
Malocclusion in transversal direction | ||
Posterior crossbite | 169 | 7.56 |
Midline deviation | 566 | 25.32 |
Malocclusion in vertical direction | ||
Deep overbite | 840 | 37.58 |
Open bite | 156 | 6.98 |