Table 2. Frequency of the types of malocclusion; Belo Horizonte; Brazil, 2015.
Malocclusion | Frequency n (%) |
Anterior crowding | |
No crowding | 96 (35.6%) |
One crowded segment | 107 (39.6%) |
Two crowded segments | 67 (24.8%) |
Anterior spacing | |
No spacing | 51 (18.9%) |
One segment with spacing | 119 (44.1%) |
Two segments with spacing | 100 (37.0%) |
Incisal diastema (mm) | |
<2 | 227 (84.1%) |
≥2 | 43 (15.9%) |
Larger anterosuperior irregularity (mm) | |
<2 | 212 (78.5%) |
≥2 | 58 (21.5%) |
Larger anteroinferior irregularity (mm) | |
<2 | 213 (78.9%) |
≥2 | 57 (21.1%) |
Maxillary anterior overjet (mm)1 | |
<3 | 198 (73.3%) |
≥3 | 65 (24.0%) |
Mandibular anterior overjet (mm) | |
Absent | 247 (91.5%) |
Present | 23 (8.5%) |
Anterior open bite (mm) | |
Absent | 250 (92.5%) |
Present | 20 (7.5%) |
Anteroposterior molar relationship | |
Normal | 205 (75.9%) |
One-half cusp | 65 (24.1%) |
Note: 1 Maxillary anterior overjet does not amount to 100% due to seven cases of anterior crossbite.