Table 2.
Distribution of dentofacial abnormalities among patients with Down syndrome patients.
| Abnormalities | Number of patients (%) | |
|---|---|---|
| Fissured tongue | 52 (67.5) | |
| Macroglossia | 45 (58.4) | |
| Ankyloglossia | 10 (13) | |
| Angular cheilitis | 17 (22.1) | |
| High arched palate | 65 (84.4) | |
| Delayed eruption | 10 (13) | |
| Microdontia | 35 (45.5) | |
| Lack of lip seal | 40 (51.9) | |
| Fractured teeth | 11 (14.3) | |
| Malocclusion | Class 1 | 42 (54.5) | 
| Class 2 | 2 (2.6) | |
| Class 3 | 33 (42.9) | |
| Crossbite | 26 (33.8) | |
| Open bite | 15 (19.5) | |
| Crowding of anterior teeth | 18 (23.4) | |
| Retained deciduous teeth | 8 (10.4) | |
| Congenitally missing teeth | 26 (33.8) | |