Table 4.
Reported % cases of occlusal and dental anomalies associated with tooth agenesis.
| Anomaly | Prevalence | Author |
|---|---|---|
| Conical incisors | 8.9% | Lai and Seow (1989) [15] |
| Hypoplastic enamel | 11% | Baccetti (1998) [79] |
| Impaction of teeth (notably maxillary canines) | 5.2–16% | Garib et al. (2009) Baccetti (1998) Garib et al. (2010) Al-Abdallah et al. (2015) [76], [79], [80], [81] |
| Infra-occlusion of primary teeth (agenesis of permanent premolars) | 15–65.7% | Baccetti (1998) [79] |
| Peg-shaped lateral incisors | 18–46.7% | Baccetti (1998) Garib et al. (2010) Al-Abdallah et al. (2015) [79], [80], [81] |
| Retained primary teeth | Up to 60% | Al-Abdallah et al. [81] |
| Smaller crown and root size (microdontia) | 20.6% | Garib et al. (2009) [76] |
| Transposition | 4.7% | Al-Abdallah et al. (2015) [81] |
| Taurodontism | Up to 38% | Kim and Lai [82] |
| KEY: %: Percentage | ||