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Both baby and permanent teeth have fairly well-defined times of eruption. The ages listed are the typical ages that an adult tooth has fully emerged.
| UPPER | ERUPTS BY | | LOWER | ERUPTS BY |
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| Central incisor | 8-10 Mo | | Central incisor | 6-9 Mo |
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| Lateral incisor | 8-10 Mo | | Lateral incisor | 15-21 Mo |
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| Canine (Cuspid) | 16-20 Mo | | Canine (Cuspid) | 15-21 Mo |
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| First molar | 15-21 Mo | | First molar | 15-21 Mo |
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| Second molar | 20-24 Mo | | Second molar | 20-24 Mo |
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