Table 5 Comparison of mean eruption ages (years) of Ugandan girls with those of other nationalities in the respective year of study
From: Weight, height and eruption times of permanent teeth of children aged 4–15 years in Kampala, Uganda
Tooth type | Belgium (2003) | Ghana (1967) | Nigeria (1971) | USA (1978) | Australia (2003) | Iran (2004) | Pakistan (2011) | Uganda (1971) | Uganda (Present) |
|---|---|---|---|---|---|---|---|---|---|
Maxillary | |||||||||
Central incisor | 6.9 | 6.0 | 7.1 | 7.2 | 7.2 | 7.6 | 7.5 | 6.2 | 6.2 |
Lateral incisor | 7.9 | 7.3 | 8.0 | 8.2 | 8.2 | 8.8 | 8.4 | 6.9 | 7.2 |
Canine | 110 | 9.5 | 10.2 | 11.0 | 11.2 | 12.1 | 107 | 9.3 | 9.3 |
First premolar | 10.4 | 9.0 | 10.1 | 10.5 | 10.8 | 11.0 | 10.1 | 8.8 | 9.3 |
Second premolar | 11.4 | 10.0 | 10.3 | 12.2 | 11.7 | 12.5 | 10.8 | 9.6 | 10.1 |
First molar | 6.2 | 5.0 | 5.8 | 6.4 | 6.5 | 6.7 | 6.7 | 5.4 | 5.3 |
Second molar | 12.0 | 10.9 | 11.4 | 12.1 | 12.3 | 12.5 | 12.0 | 9.8 | 10.7 |
Mandibular | |||||||||
Central incisor | 6.2 | 5.1 | 5.8 | 6.1 | 6.3 | 6.5 | 7.1 | 5.3 | 5.6 |
Lateral incisor | 7.1 | 6.3 | 7.3 | 7.3 | 7.4 | 7.9 | 7.9 | 6.0 | 6.8 |
Canine | 9.7 | 8.9 | 9.9 | 9.9 | 10.1 | 10.3 | 10.0 | 8.0 | 9.7 |
First premolar | 10.3 | 9.2 | 9.9 | 10.4 | 10.6 | 11.1 | 10.3 | 8.9 | 9.2 |
Second premolar | 11.4 | 10.3 | 10.6 | 11.1 | 11.7 | 12.6 | 10.8 | 9.8 | 10.2 |
First molar | 6.2 | 4.4 | 5.8 | 6.3 | 6.3 | 6.7 | 6.5 | 5.4 | 5.2 |
Second molar | 11.6 | 10.5 | 10.9 | 11.8 | 11.8 | 12.4 | 11.4 | 9.4 | 10.3 |